osdf rearchitecture into apps and libs

Change-Id: I2db2f8e252bd5e60807b2ffabf5a5b193a789f7a
Signed-off-by: vrvarma <vv8305@att.com>
Issue-ID: OPTFRA-637

43 files changed, 2284 insertions, 0 deletions

diff --git a/apps/__init__.py b/apps/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/__init__.py
diff --git a/apps/license/__init__.py b/apps/license/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/license/__init__.py
diff --git a/apps/license/optimizers/__init__.py b/apps/license/optimizers/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/license/optimizers/__init__.py
diff --git a/apps/license/optimizers/simple_license_allocation.py b/apps/license/optimizers/simple_license_allocation.py
new file mode 100644
index 0000000..b2aaba4
--- /dev/null
+++ b/apps/license/optimizers/simple_license_allocation.py
@@ -0,0 +1,43 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+from osdf.utils.mdc_utils import mdc_from_json
+
+
+def license_optim(request_json):
+    """
+    Fetch license artifacts associated with the service model and search licensekey-group-UUID and entitlement-pool-uuid
+    associated with the given att part number and nominal throughput in a request
+    :param request_json: Request in a JSON format
+    :return: A tuple of licensekey-group-uuid-list and entitlement-group-uuid-list
+    """
+    mdc_from_json(request_json)
+    req_id = request_json["requestInfo"]["requestId"]
+
+    model_name = request_json.get('placementInfo', {}).get('serviceInfo', {}).get('modelInfo', {}).get('modelName')
+    service_name = model_name
+
+    license_info = []
+
+    for demand in request_json.get('placementInfo', {}).get('demandInfo', {}).get('licenseDemands', []):
+        license_info.append(
+            {'serviceResourceId': demand['serviceResourceId'],
+             'resourceModuleName': demand['resourceModuleName'],
+             'entitlementPoolList': "NOT SUPPORTED",
+             'licenseKeyGroupList': "NOT SUPPORTED"
+             })
+    return license_info
diff --git a/apps/pci/__init__.py b/apps/pci/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/pci/__init__.py
diff --git a/apps/pci/models/__init__.py b/apps/pci/models/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/pci/models/__init__.py
diff --git a/apps/pci/models/api/__init__.py b/apps/pci/models/api/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/pci/models/api/__init__.py
diff --git a/apps/pci/models/api/pciOptimizationRequest.py b/apps/pci/models/api/pciOptimizationRequest.py
new file mode 100644
index 0000000..02b67a2
--- /dev/null
+++ b/apps/pci/models/api/pciOptimizationRequest.py
@@ -0,0 +1,54 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2018 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+from schematics.types import BaseType, StringType, URLType, IntType
+from schematics.types.compound import ModelType, ListType, DictType
+
+from osdf.models.api.common import OSDFModel
+
+
+class RequestInfo(OSDFModel):
+    """Info for northbound request from client such as SO"""
+    transactionId = StringType(required=True)
+    requestId = StringType(required=True)
+    callbackUrl = URLType(required=True)
+    callbackHeader = DictType(BaseType)
+    sourceId = StringType(required=True)
+    requestType = StringType(required=True)
+    numSolutions = IntType()
+    optimizers = ListType(StringType(required=True))
+    timeout = IntType()
+
+
+class ANRInfo(OSDFModel):
+    cellId = StringType(required=True)
+    removeableNeighbors = ListType(StringType())
+
+
+class CellInfo(OSDFModel):
+    """Information specific to CellInfo """
+    networkId = StringType(required=True)
+    cellIdList = ListType(StringType(required=True))
+    anrInputList = ListType(ModelType(ANRInfo))
+    trigger = StringType()
+
+
+class PCIOptimizationAPI(OSDFModel):
+    """Request for PCI optimization """
+    requestInfo = ModelType(RequestInfo, required=True)
+    cellInfo = ModelType(CellInfo, required=True)
diff --git a/apps/pci/models/api/pciOptimizationResponse.py b/apps/pci/models/api/pciOptimizationResponse.py
new file mode 100644
index 0000000..019a43a
--- /dev/null
+++ b/apps/pci/models/api/pciOptimizationResponse.py
@@ -0,0 +1,46 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2018 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+from schematics.types import StringType, IntType
+from schematics.types.compound import ModelType, ListType
+
+from osdf.models.api.common import OSDFModel
+
+
+class PCISolution(OSDFModel):
+    cellId = StringType(required=True)
+    pci = IntType(required=True)
+
+
+class ANRSolution(OSDFModel):
+    cellId = StringType(required=True)
+    removeableNeighbors = ListType(StringType())
+
+
+class Solution(OSDFModel):
+    networkId = StringType(required=True)
+    pciSolutions = ListType(ListType(ModelType(PCISolution), min_size=1))
+    anrSolutions = ListType(ListType(ModelType(ANRSolution), min_size=1))
+
+
+class PCIOptimizationResponse(OSDFModel):
+    transactionId = StringType(required=True)
+    requestId = StringType(required=True)
+    requestStatus = StringType(required=True)
+    statusMessage = StringType()
+    solutions = ModelType(Solution, required=True)
diff --git a/apps/pci/optimizers/__init__.py b/apps/pci/optimizers/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/pci/optimizers/__init__.py
diff --git a/apps/pci/optimizers/configdb.py b/apps/pci/optimizers/configdb.py
new file mode 100644
index 0000000..8f003c2
--- /dev/null
+++ b/apps/pci/optimizers/configdb.py
@@ -0,0 +1,69 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2018 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+from datetime import datetime as dt
+
+from osdf.logging.osdf_logging import debug_log
+from osdf.utils.interfaces import RestClient
+
+
+def request(req_object, osdf_config, flat_policies):
+    """
+    Process a configdb request from a Client (build Conductor API call, make the call, return result)
+    :param req_object: Request parameters from the client
+    :param osdf_config: Configuration specific to OSDF application (core + deployment)
+    :param flat_policies: policies related to PCI Opt (fetched based on request)
+    :return: response from ConfigDB (accounting for redirects from Conductor service
+    """
+    cell_list_response = {}
+    config = osdf_config.deployment
+    local_config = osdf_config.core
+    uid, passwd = config['configDbUserName'], config['configDbPassword']
+    req_id = req_object['requestInfo']['requestId']
+    transaction_id = req_object['requestInfo']['transactionId']
+    headers = dict(transaction_id=transaction_id)
+
+    network_id = req_object['cellInfo']['networkId']
+
+    cell_list_response['network_id'] = network_id
+
+    ts = dt.strftime(dt.now(), '%Y-%m-%d %H:%M:%S%z')
+
+    rc = RestClient(userid=uid, passwd=passwd, method="GET", log_func=debug_log.debug, headers=headers)
+
+    cell_list_url = '{}/{}/{}/{}'.format(config['configDbUrl'], config['configDbGetCellListUrl'], network_id, ts)
+
+    cell_list_resp = rc.request(raw_response=True, url=cell_list_url)
+    cell_resp = cell_list_resp.json()
+
+    cell_list = []
+    count = 0
+    for cell_id in cell_resp:
+        cell_info = {'cell_id': cell_id, 'id': count}
+        nbr_list_url = '{}/{}/{}/{}'.format(config['configDbUrl'], config['configDbGetNbrListUrl'], cell_id, ts)
+        nbr_list_raw = rc.request(url=nbr_list_url, raw_response=True)
+        cell_info['nbr_list'] = get_neighbor_list(nbr_list_raw.json())
+        cell_list.append(cell_info)
+        count += 1
+
+    cell_list_response['cell_list'] = cell_list
+    return cell_resp, cell_list_response
+
+
+def get_neighbor_list(nbr_list_response):
+    return nbr_list_response.get('nbrList', [])
diff --git a/apps/pci/optimizers/pci_opt_processor.py b/apps/pci/optimizers/pci_opt_processor.py
new file mode 100644
index 0000000..9948d55
--- /dev/null
+++ b/apps/pci/optimizers/pci_opt_processor.py
@@ -0,0 +1,123 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2018 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+import traceback
+
+from onaplogging.mdcContext import MDC
+from requests import RequestException
+
+from osdf.logging.osdf_logging import metrics_log, MH, error_log
+from osdf.operation.error_handling import build_json_error_body
+from osdf.utils.interfaces import get_rest_client
+from .configdb import request as config_request
+from .solver.optimizer import pci_optimize as optimize
+from .solver.pci_utils import get_cell_id, get_pci_value
+from osdf.utils.mdc_utils import mdc_from_json
+
+"""
+This application generates PCI Optimization API calls using the information received from PCI-Handler-MS, SDN-C
+and Policy.
+"""
+
+
+def process_pci_optimation(request_json, osdf_config, flat_policies):
+    """
+    Process a PCI request from a Client (build config-db, policy and  API call, make the call, return result)
+    :param req_object: Request parameters from the client
+    :param osdf_config: Configuration specific to OSDF application (core + deployment)
+    :param flat_policies: policies related to pci (fetched based on request)
+    :return: response from PCI Opt
+    """
+    try:
+        mdc_from_json(request_json)
+        rc = get_rest_client(request_json, service="pcih")
+        req_id = request_json["requestInfo"]["requestId"]
+        cell_info_list, network_cell_info = config_request(request_json, osdf_config, flat_policies)
+        pci_response = get_solutions(cell_info_list, network_cell_info, request_json)
+
+        metrics_log.info(MH.inside_worker_thread(req_id))
+    except Exception as err:
+        error_log.error("Error for {} {}".format(req_id, traceback.format_exc()))
+
+        try:
+            body = build_json_error_body(err)
+            metrics_log.info(MH.sending_response(req_id, "ERROR"))
+            rc.request(json=body, noresponse=True)
+        except RequestException as err:
+            MDC.put('requestID',req_id)
+            error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
+        raise err
+
+
+    try:
+        metrics_log.info(MH.calling_back_with_body(req_id, rc.url, pci_response))
+        rc.request(json=pci_response, noresponse=True)
+    except RequestException:  # can't do much here but log it and move on
+        error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
+
+
+def get_solutions(cell_info_list, network_cell_info, request_json):
+    status, pci_solutions, anr_solutions = build_solution_list(cell_info_list, network_cell_info, request_json)
+    return {
+        "transactionId": request_json['requestInfo']['transactionId'],
+        "requestId": request_json["requestInfo"]["requestId"],
+        "requestStatus": "completed",
+        "statusMessage": status,
+        "solutions": {
+            'networkId': request_json['cellInfo']['networkId'],
+            'pciSolutions': pci_solutions,
+            'anrSolutions': anr_solutions
+        }
+    }
+
+
+def build_solution_list(cell_info_list, network_cell_info, request_json):
+    status = "success"
+    req_id = request_json["requestInfo"]["requestId"]
+    try:
+        opt_solution = optimize(network_cell_info, cell_info_list, request_json)
+        pci_solutions = build_pci_solution(network_cell_info, opt_solution['pci'])
+        anr_solutions = build_anr_solution(network_cell_info, opt_solution.get('removables', {}))
+    except RuntimeError:
+        error_log.error("Failed finding solution for {} {}".format(req_id, traceback.format_exc()))
+        status = "failed"
+    return status, pci_solutions, anr_solutions
+
+
+def build_pci_solution(network_cell_info, pci_solution):
+    pci_solutions = []
+    for k, v in pci_solution.items():
+        old_pci = get_pci_value(network_cell_info, k)
+        if old_pci != v:
+            response = {
+                'cellId': get_cell_id(network_cell_info, k),
+                'pci': v
+            }
+            pci_solutions.append(response)
+    return pci_solutions
+
+
+def build_anr_solution(network_cell_info, removables):
+    anr_solutions = []
+    for k, v in removables.items():
+        response = {
+            'cellId': get_cell_id(network_cell_info, k),
+            'removeableNeighbors': list(map(lambda x: get_cell_id(network_cell_info, x), v))
+        }
+        anr_solutions.append(response)
+    return anr_solutions
diff --git a/apps/pci/optimizers/solver/__init__.py b/apps/pci/optimizers/solver/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/pci/optimizers/solver/__init__.py
diff --git a/apps/pci/optimizers/solver/min_confusion.mzn b/apps/pci/optimizers/solver/min_confusion.mzn
new file mode 100644
index 0000000..ff56c18
--- /dev/null
+++ b/apps/pci/optimizers/solver/min_confusion.mzn
@@ -0,0 +1,98 @@
+% -------------------------------------------------------------------------
+%   Copyright (c) 2018 AT&T Intellectual Property
+%
+%   Licensed under the Apache License, Version 2.0 (the "License");
+%   you may not use this file except in compliance with the License.
+%   You may obtain a copy of the License at
+%
+%       http://www.apache.org/licenses/LICENSE-2.0
+%
+%   Unless required by applicable law or agreed to in writing, software
+%   distributed under the License is distributed on an "AS IS" BASIS,
+%   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%   See the License for the specific language governing permissions and
+%   limitations under the License.
+%
+% -------------------------------------------------------------------------
+%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Parameters and its assertions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Number of cells/radios.
+int: NUM_NODES;
+
+% Maximum number of Physical Cell Identifiers to be assigned to the nodes.
+int: NUM_PCIS;
+
+% Number of edges between neighbor nodes. There is a edge (i,j) if and only
+% if nodes i and j are neighbors, i.e., an user equipment (UE) can make
+% handoff between i and j. Such edges are used to avoid **COLLISION**, i.e.,
+% to guarantee that nodes i and j have different PCIs.
+int: NUM_NEIGHBORS;
+
+% Each line represents an edge between direct neighbors as defined before.
+array[1..NUM_NEIGHBORS, 1..2] of int: NEIGHBORS;
+
+% Number of undirect neighbor pairs (j, k) such that both j and k are direct
+% neighbors of node i, i.e., (j, k) exits if and only if exists (i, j) and
+% (i, k). Nodes (i, k) can generate "confunsions" in the network if they have
+% the same PCI. Such edges are used to avoid/minimize **CONFUSIONS**.
+int: NUM_SECOND_LEVEL_NEIGHBORS;
+
+% Each line represents an edge between undirect neighbors as defined before.
+array[1..NUM_SECOND_LEVEL_NEIGHBORS, 1..2] of int: SECOND_LEVEL_NEIGHBORS;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Decision variables
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Defines the PCI for each node.
+array[0..NUM_NODES-1] of var 0..NUM_PCIS-1: pci;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Constraints
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Direct neighbors must have different PCIs for avoid **COLLISION**.
+constraint
+forall(i in 1..NUM_NEIGHBORS)(
+    pci[NEIGHBORS[i, 1]] != pci[NEIGHBORS[i, 2]]
+);
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Objective function
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Total number of confusions.
+var int: total_confusions =
+    sum([bool2int(pci[SECOND_LEVEL_NEIGHBORS[i, 1]] ==
+                  pci[SECOND_LEVEL_NEIGHBORS[i, 2]])
+         | i in 1..NUM_SECOND_LEVEL_NEIGHBORS]);
+
+% Minimize the total number of confusions.
+solve :: int_search(pci, smallest, indomain_min, complete)
+minimize total_confusions;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Output
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+output
+["PCI assigment"] ++
+["\nnode,pci"] ++
+[
+    "\n" ++ show(node) ++ "," ++ show(pci[node])
+| node in 0..NUM_NODES-1
+] ++
+
+["\n\nConfusions"] ++
+["\nTotal confusions: " ++ show(total_confusions)] ++
+["\nConfusion pairs"] ++
+[
+    "\n" ++ show(SECOND_LEVEL_NEIGHBORS[i, 1]) ++ "," ++
+    show(SECOND_LEVEL_NEIGHBORS[i, 2])
+| i in 1..NUM_SECOND_LEVEL_NEIGHBORS where
+  fix(pci[SECOND_LEVEL_NEIGHBORS[i, 1]] == pci[SECOND_LEVEL_NEIGHBORS[i, 2]])
+]
diff --git a/apps/pci/optimizers/solver/min_confusion_inl.mzn b/apps/pci/optimizers/solver/min_confusion_inl.mzn
new file mode 100644
index 0000000..0f0fc91
--- /dev/null
+++ b/apps/pci/optimizers/solver/min_confusion_inl.mzn
@@ -0,0 +1,140 @@
+% -------------------------------------------------------------------------
+%   Copyright (c) 2018 AT&T Intellectual Property
+%
+%   Licensed under the Apache License, Version 2.0 (the "License");
+%   you may not use this file except in compliance with the License.
+%   You may obtain a copy of the License at
+%
+%       http://www.apache.org/licenses/LICENSE-2.0
+%
+%   Unless required by applicable law or agreed to in writing, software
+%   distributed under the License is distributed on an "AS IS" BASIS,
+%   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%   See the License for the specific language governing permissions and
+%   limitations under the License.
+%
+% -------------------------------------------------------------------------
+%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Parameters and its assertions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Number of cells/radios.
+int: NUM_NODES;
+
+% Maximum number of Physical Cell Identifiers to be assigned to the nodes.
+int: NUM_PCIS;
+
+% Number of edges between neighbor nodes. There is a edge (i,j) if and only
+% if nodes i and j are neighbors, i.e., an user equipment (UE) can make
+% handoff between i and j. Such edges are used to avoid **COLLISION**, i.e.,
+% to guarantee that nodes i and j have different PCIs.
+int: NUM_NEIGHBORS;
+
+% Each line represents an edge between direct neighbors as defined before.
+array[1..NUM_NEIGHBORS, 1..2] of int: NEIGHBORS;
+
+% Number of undirect neighbor pairs (j, k) such that both j and k are direct
+% neighbors of node i, i.e., (j, k) exits if and only if exists (i, j) and
+% (i, k). Nodes (i, k) can generate "confunsions" in the network if they have
+% the same PCI. Such edges are used to avoid/minimize **CONFUSIONS**.
+int: NUM_SECOND_LEVEL_NEIGHBORS;
+
+% Each line represents an edge between undirect neighbors as defined before.
+array[1..NUM_SECOND_LEVEL_NEIGHBORS, 1..2] of int: SECOND_LEVEL_NEIGHBORS;
+
+% Number of ignorable neighbor links. Such links can be ignored during
+% optimization if needed.
+int: NUM_IGNORABLE_NEIGHBOR_LINKS;
+
+% The links that can be ignored if needed. Each line represents the two ends
+% of the links, like the previous structures.
+array[1..NUM_IGNORABLE_NEIGHBOR_LINKS, 1..2] of int: IGNORABLE_NEIGHBOR_LINKS;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Decision variables
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Defines the PCI for each node.
+array[0..NUM_NODES-1] of var 0..NUM_PCIS-1: pci;
+
+array[1..NUM_IGNORABLE_NEIGHBOR_LINKS] of var 0..1: used_ignorables;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Constraints
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Direct neighbors must have different PCIs for avoid **COLLISION**.
+% Forced links.
+constraint
+forall(i in 1..NUM_NEIGHBORS, j in 1..NUM_IGNORABLE_NEIGHBOR_LINKS
+    where
+        NEIGHBORS[i, 1] != IGNORABLE_NEIGHBOR_LINKS[j, 1] \/
+        NEIGHBORS[i, 2] != IGNORABLE_NEIGHBOR_LINKS[j, 2]
+)(
+    pci[NEIGHBORS[i, 1]] != pci[NEIGHBORS[i, 2]]
+);
+
+
+% Ignorable links.
+constraint
+forall(i in 1..NUM_NEIGHBORS, j in 1..NUM_IGNORABLE_NEIGHBOR_LINKS
+    where
+        NEIGHBORS[i, 1] == IGNORABLE_NEIGHBOR_LINKS[j, 1] /\
+        NEIGHBORS[i, 2] == IGNORABLE_NEIGHBOR_LINKS[j, 2]
+)(
+    used_ignorables[j] >= bool2int(pci[NEIGHBORS[i, 1]] == pci[NEIGHBORS[i, 2]])
+);
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Objective function
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Total number of confusions.
+var int: total_confusions =
+    sum([bool2int(pci[SECOND_LEVEL_NEIGHBORS[i, 1]] ==
+                  pci[SECOND_LEVEL_NEIGHBORS[i, 2]])
+         | i in 1..NUM_SECOND_LEVEL_NEIGHBORS]);
+
+% Total number of used ignorables links.
+var int: total_used_ignorables = sum(used_ignorables);
+
+solve :: int_search(pci, smallest, indomain_min, complete)
+
+% Minimize the total number of confusions.
+%minimize total_confusions;
+
+% Minimize the total number of confusions first,
+% then the number of used ignorables links.
+minimize (2 * NUM_IGNORABLE_NEIGHBOR_LINKS * total_confusions) +
+         total_used_ignorables;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Output
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+output
+["PCI assigment"] ++
+["\nnode,pci"] ++
+[
+    "\n" ++ show(node) ++ "," ++ show(pci[node])
+| node in 0..NUM_NODES-1
+] ++
+["\n\nTotal used ignorables links: " ++ show(total_used_ignorables)] ++
+["\nUsed ignorables links: "] ++
+[
+    "\n" ++ show(IGNORABLE_NEIGHBOR_LINKS[i, 1]) ++
+    ","  ++ show(IGNORABLE_NEIGHBOR_LINKS[i, 2])
+    | i in 1..NUM_IGNORABLE_NEIGHBOR_LINKS where fix(used_ignorables[i] > 0)
+] ++
+["\n\nConfusions"] ++
+["\nTotal confusions: " ++ show(total_confusions)] ++
+["\nConfusion pairs"] ++
+[
+    "\n" ++ show(SECOND_LEVEL_NEIGHBORS[i, 1]) ++ "," ++
+    show(SECOND_LEVEL_NEIGHBORS[i, 2])
+    | i in 1..NUM_SECOND_LEVEL_NEIGHBORS where
+      fix(pci[SECOND_LEVEL_NEIGHBORS[i, 1]] == pci[SECOND_LEVEL_NEIGHBORS[i, 2]])
+]
+
diff --git a/apps/pci/optimizers/solver/no_conflicts_no_confusion.mzn b/apps/pci/optimizers/solver/no_conflicts_no_confusion.mzn
new file mode 100644
index 0000000..0a9b3e3
--- /dev/null
+++ b/apps/pci/optimizers/solver/no_conflicts_no_confusion.mzn
@@ -0,0 +1,86 @@
+% -------------------------------------------------------------------------
+%   Copyright (c) 2018 AT&T Intellectual Property
+%
+%   Licensed under the Apache License, Version 2.0 (the "License");
+%   you may not use this file except in compliance with the License.
+%   You may obtain a copy of the License at
+%
+%       http://www.apache.org/licenses/LICENSE-2.0
+%
+%   Unless required by applicable law or agreed to in writing, software
+%   distributed under the License is distributed on an "AS IS" BASIS,
+%   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%   See the License for the specific language governing permissions and
+%   limitations under the License.
+%
+% -------------------------------------------------------------------------
+%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Parameters and its assertions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Number of cells/radios.
+int: NUM_NODES;
+
+% Maximum number of Physical Cell Identifiers to be assigned to the nodes.
+int: NUM_PCIS;
+
+% Number of edges between neighbor nodes. There is a edge (i,j) if and only
+% if nodes i and j are neighbors, i.e., an user equipment (UE) can make
+% handoff between i and j. Such edges are used to avoid **COLLISIONS**, i.e.,
+% to guarantee that nodes i and j have different PCIs.
+int: NUM_NEIGHBORS;
+
+% Each line represents an edge between direct neighbors as defined before.
+array[1..NUM_NEIGHBORS, 1..2] of int: NEIGHBORS;
+
+% Number of undirect neighbor pairs (j, k) such that both j and k are direct
+% neighbors of node i, i.e., (j, k) exits if and only if exists (i, j) and
+% (i, k). Nodes (i, k) can generate "confunsions" in the network if they have
+% the same PCI. Such edges are used to avoid/minimize **CONFUSIONS**.
+int: NUM_SECOND_LEVEL_NEIGHBORS;
+
+% Each line represents an edge between undirect neighbors as defined before.
+array[1..NUM_SECOND_LEVEL_NEIGHBORS, 1..2] of int: SECOND_LEVEL_NEIGHBORS;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Decision variables
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Defines the PCI for each node.
+array[0..NUM_NODES-1] of var 0..NUM_PCIS-1: pci;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Constraints
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Direct neighbors must have different PCIs for avoid **COLLISION**.
+constraint
+forall(i in 1..NUM_NEIGHBORS)(
+    pci[NEIGHBORS[i, 1]] != pci[NEIGHBORS[i, 2]]
+);
+
+% Undirect neighbors must have different PCIs for avoid **CONFUSIONS**.
+constraint
+forall(i in 1..NUM_SECOND_LEVEL_NEIGHBORS)(
+    pci[SECOND_LEVEL_NEIGHBORS[i, 1]] != pci[SECOND_LEVEL_NEIGHBORS[i, 2]]
+);
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Objective function
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Just satisfy the problem.
+solve :: int_search(pci, smallest, indomain_min, complete) satisfy;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Output
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+output
+["node,pci\n"] ++
+[
+    show(node) ++ "," ++ show(pci[node]) ++ "\n"
+| node in 0..NUM_NODES-1
+]
diff --git a/apps/pci/optimizers/solver/optimizer.py b/apps/pci/optimizers/solver/optimizer.py
new file mode 100644
index 0000000..0a6d5a4
--- /dev/null
+++ b/apps/pci/optimizers/solver/optimizer.py
@@ -0,0 +1,137 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2018 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+import itertools
+import os
+from collections import defaultdict
+
+import pymzn
+
+from .pci_utils import get_id
+
+BASE_DIR = os.path.dirname(__file__)
+
+
+def pci_optimize(network_cell_info, cell_info_list, request_json):
+    neighbor_edges = get_neighbor_list(network_cell_info)
+    second_level_edges = get_second_level_neighbor(network_cell_info)
+    ignorable_links = get_ignorable_links(network_cell_info, request_json)
+    anr_flag = is_anr(request_json)
+
+    dzn_data = build_dzn_data(cell_info_list, ignorable_links, neighbor_edges, second_level_edges, anr_flag)
+
+    return build_pci_solution(dzn_data, ignorable_links, anr_flag)
+
+
+def build_pci_solution(dzn_data, ignorable_links, anr_flag):
+    mzn_solution = solve(get_mzn_model(anr_flag), dzn_data)
+
+    solution = {'pci': mzn_solution[0]['pci']}
+
+    if anr_flag:
+        removables = defaultdict(list)
+        used_ignorables = mzn_solution[0]['used_ignorables']
+        index = 0
+        for i in ignorable_links:
+            if used_ignorables[index] > 0:
+                removables[i[0]].append(i[1])
+            index += 1
+        solution['removables'] = removables
+    return solution
+
+
+def build_dzn_data(cell_info_list, ignorable_links, neighbor_edges, second_level_edges, anr_flag):
+    dzn_data = {
+        'NUM_NODES': len(cell_info_list),
+        'NUM_PCIS': len(cell_info_list),
+        'NUM_NEIGHBORS': len(neighbor_edges),
+        'NEIGHBORS': get_list(neighbor_edges),
+        'NUM_SECOND_LEVEL_NEIGHBORS': len(second_level_edges),
+        'SECOND_LEVEL_NEIGHBORS': get_list(second_level_edges)
+    }
+    if anr_flag:
+        dzn_data['NUM_IGNORABLE_NEIGHBOR_LINKS'] = len(ignorable_links)
+        dzn_data['IGNORABLE_NEIGHBOR_LINKS'] = get_list(ignorable_links)
+    return dzn_data
+
+
+def get_mzn_model(anr_flag):
+    if anr_flag:
+        mzn_model = os.path.join(BASE_DIR, 'min_confusion_inl.mzn')
+    else:
+        mzn_model = os.path.join(BASE_DIR, 'no_conflicts_no_confusion.mzn')
+    return mzn_model
+
+
+def is_anr(request_json):
+    return 'pci-anr' in request_json["requestInfo"]["optimizers"]
+
+
+def get_list(edge_list):
+    array_list = []
+    for s in edge_list:
+        array_list.append([s[0], s[1]])
+    return sorted(array_list)
+
+
+def solve(mzn_model, dzn_data):
+    return pymzn.minizinc(mzn=mzn_model, data=dzn_data)
+
+
+def get_neighbor_list(network_cell_info):
+    neighbor_list = set()
+    for cell in network_cell_info['cell_list']:
+        add_to_neighbor_list(network_cell_info, cell, neighbor_list)
+    return neighbor_list
+
+
+def add_to_neighbor_list(network_cell_info, cell, neighbor_list):
+    for nbr in cell.get('nbr_list', []):
+        host_id = cell['id']
+        nbr_id = get_id(network_cell_info, nbr['targetCellId'])
+        if nbr_id and host_id != nbr_id:
+            neighbor_list.add((host_id, nbr_id))
+
+
+def get_second_level_neighbor(network_cell_info):
+    second_neighbor_list = set()
+    for cell in network_cell_info['cell_list']:
+        comb_list = build_second_level_list(network_cell_info, cell)
+        for comb in comb_list:
+            if comb[0] and comb[1]:
+                second_neighbor_list.add((comb[0], comb[1]))
+    return sorted(second_neighbor_list)
+
+
+def build_second_level_list(network_cell_info, cell):
+    second_nbr_list = []
+    for nbr in cell.get('nbr_list', []):
+        second_nbr_list.append(get_id(network_cell_info, nbr['targetCellId']))
+    return [list(elem) for elem in list(itertools.combinations(second_nbr_list, 2))]
+
+
+def get_ignorable_links(network_cell_info, request_json):
+    ignorable_list = set()
+    anr_input_list = request_json["cellInfo"].get('anrInputList', [])
+    if anr_input_list:
+        for anr_info in anr_input_list:
+            cell_id = get_id(network_cell_info, anr_info['cellId'])
+            anr_removable = anr_info.get('removeableNeighbors', [])
+            for anr in anr_removable:
+                ignorable_list.add((cell_id, get_id(network_cell_info, anr)))
+    return ignorable_list
diff --git a/apps/pci/optimizers/solver/pci_utils.py b/apps/pci/optimizers/solver/pci_utils.py
new file mode 100644
index 0000000..04829cf
--- /dev/null
+++ b/apps/pci/optimizers/solver/pci_utils.py
@@ -0,0 +1,40 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2018 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+
+def get_id(network_cell_info, cell_id):
+    for i in network_cell_info['cell_list']:
+        if i['cell_id'] == cell_id:
+            return i['id']
+    return None
+
+
+def get_cell_id(network_cell_info, id):
+    for i in network_cell_info['cell_list']:
+        if i['id'] == id:
+            return i['cell_id']
+    return None
+
+
+def get_pci_value(network_cell_info, id):
+    cell_id = get_cell_id(network_cell_info, id)
+    for i in network_cell_info['cell_list']:
+        for j in i['nbr_list']:
+            if cell_id == j['targetCellId']:
+                return j['pciValue']
+    return None
diff --git a/apps/placement/__init__.py b/apps/placement/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/placement/__init__.py
diff --git a/apps/placement/models/__init__.py b/apps/placement/models/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/placement/models/__init__.py
diff --git a/apps/placement/models/api/__init__.py b/apps/placement/models/api/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/placement/models/api/__init__.py
diff --git a/apps/placement/models/api/placementRequest.py b/apps/placement/models/api/placementRequest.py
new file mode 100644
index 0000000..a0941cf
--- /dev/null
+++ b/apps/placement/models/api/placementRequest.py
@@ -0,0 +1,105 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+from osdf.models.api.common import OSDFModel
+from schematics.types import BaseType, StringType, URLType, IntType, BooleanType
+from schematics.types.compound import ModelType, ListType, DictType
+
+
+class RequestInfo(OSDFModel):
+    """Info for northbound request from client such as SO"""
+    transactionId = StringType(required=True)
+    requestId = StringType(required=True)
+    callbackUrl = URLType(required=True)
+    callbackHeader = DictType(BaseType)
+    sourceId = StringType(required=True)
+    requestType = StringType(required=True)
+    numSolutions = IntType()
+    optimizers = ListType(StringType(required=True))
+    timeout = IntType()
+
+
+class Candidates(OSDFModel):
+    """Preferred candidate for a resource (sent as part of a request from client)"""
+    identifierType = StringType(required=True)
+    identifiers = ListType(StringType(required=True))
+    cloudOwner = StringType()
+
+
+class ModelMetaData(OSDFModel):
+    """Model information for a specific resource"""
+    modelInvariantId = StringType(required=True)
+    modelVersionId = StringType(required=True)
+    modelName = StringType()
+    modelType = StringType()
+    modelVersion = StringType()
+    modelCustomizationName = StringType()
+
+
+class LicenseModel(OSDFModel):
+    entitlementPoolUUID = ListType(StringType(required=True))
+    licenseKeyGroupUUID = ListType(StringType(required=True))
+
+
+class LicenseDemands(OSDFModel):
+    resourceModuleName = StringType(required=True)
+    serviceResourceId = StringType(required=True)
+    resourceModelInfo = ModelType(ModelMetaData, required=True)
+    existingLicenses = ModelType(LicenseModel)
+
+
+class LicenseInfo(OSDFModel):
+    licenseDemands = ListType(ModelType(LicenseDemands))
+
+
+class PlacementDemand(OSDFModel):
+    resourceModuleName = StringType(required=True)
+    serviceResourceId = StringType(required=True)
+    tenantId = StringType()
+    resourceModelInfo = ModelType(ModelMetaData, required=True)
+    existingCandidates = ListType(ModelType(Candidates))
+    excludedCandidates = ListType(ModelType(Candidates))
+    requiredCandidates = ListType(ModelType(Candidates))
+
+
+class ServiceInfo(OSDFModel):
+    serviceInstanceId = StringType(required=True)
+    modelInfo = ModelType(ModelMetaData, required=True)
+    serviceName = StringType(required=True)
+
+
+class SubscriberInfo(OSDFModel):
+    """Details on the customer that subscribes to the VNFs"""
+    globalSubscriberId = StringType(required=True)
+    subscriberName = StringType()
+    subscriberCommonSiteId = StringType()
+
+
+class PlacementInfo(OSDFModel):
+    """Information specific to placement optimization"""
+    requestParameters = DictType(BaseType)
+    placementDemands = ListType(ModelType(PlacementDemand), min_size=1)
+    subscriberInfo = ModelType(SubscriberInfo)
+
+
+class PlacementAPI(OSDFModel):
+    """Request for placement optimization (specific to optimization and additional metadata"""
+    requestInfo = ModelType(RequestInfo, required=True)
+    placementInfo = ModelType(PlacementInfo, required=True)
+    licenseInfo = ModelType(LicenseInfo)
+    serviceInfo = ModelType(ServiceInfo, required=True)
diff --git a/apps/placement/models/api/placementResponse.py b/apps/placement/models/api/placementResponse.py
new file mode 100644
index 0000000..13b8d7a
--- /dev/null
+++ b/apps/placement/models/api/placementResponse.py
@@ -0,0 +1,64 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+from osdf.models.api.common import OSDFModel
+from schematics.types import BaseType, StringType
+from schematics.types.compound import ModelType, ListType, DictType
+
+
+# TODO: update osdf.models
+
+class LicenseSolution(OSDFModel):
+    serviceResourceId = StringType(required=True)
+    resourceModuleName = StringType(required=True)
+    entitlementPoolUUID = ListType(StringType(required=True))
+    licenseKeyGroupUUID = ListType(StringType(required=True))
+    entitlementPoolInvariantUUID = ListType(StringType(required=True))
+    licenseKeyGroupInvariantUUID = ListType(StringType(required=True))
+
+
+class Candidates(OSDFModel):
+    """Preferred candidate for a resource (sent as part of a request from client)"""
+    identifierType = StringType(required=True)
+    identifiers = ListType(StringType(required=True))
+    cloudOwner = StringType()
+
+
+class AssignmentInfo(OSDFModel):
+    key = StringType(required=True)
+    value = BaseType(required=True)
+
+
+class PlacementSolution(OSDFModel):
+    serviceResourceId = StringType(required=True)
+    resourceModuleName = StringType(required=True)
+    solution = ModelType(Candidates, required=True)
+    assignmentInfo = ListType(ModelType(AssignmentInfo))
+
+
+class Solution(OSDFModel):
+    placementSolutions = ListType(ListType(ModelType(PlacementSolution), min_size=1))
+    licenseSolutions = ListType(ModelType(LicenseSolution), min_size=1)
+
+
+class PlacementResponse(OSDFModel):
+    transactionId = StringType(required=True)
+    requestId = StringType(required=True)
+    requestStatus = StringType(required=True)
+    statusMessage = StringType()
+    solutions = ModelType(Solution, required=True)
diff --git a/apps/placement/optimizers/__init__.py b/apps/placement/optimizers/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/placement/optimizers/__init__.py
diff --git a/apps/placement/optimizers/conductor/__init__.py b/apps/placement/optimizers/conductor/__init__.py
new file mode 100644
index 0000000..4b25e5b
--- /dev/null
+++ b/apps/placement/optimizers/conductor/__init__.py
@@ -0,0 +1,17 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2017-2018 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
diff --git a/apps/placement/optimizers/conductor/api_builder.py b/apps/placement/optimizers/conductor/api_builder.py
new file mode 100644
index 0000000..7b61580
--- /dev/null
+++ b/apps/placement/optimizers/conductor/api_builder.py
@@ -0,0 +1,99 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+import json
+
+from jinja2 import Template
+
+import apps.placement.optimizers.conductor.translation as tr
+from osdf.adapters.policy.utils import group_policies_gen
+from osdf.utils.programming_utils import list_flatten
+
+
+def _build_parameters(group_policies, request_json):
+    """
+    Function prepares parameters section for has request
+    :param group_policies: filtered policies
+    :param request_json: parameter data received from a client
+    :return:
+    """
+    initial_params = tr.get_opt_query_data(request_json, group_policies['request_param_query'])
+    params = dict()
+    params.update({"REQUIRED_MEM": initial_params.pop("requiredMemory", "")})
+    params.update({"REQUIRED_DISK": initial_params.pop("requiredDisk", "")})
+    params.update({"customer_lat": initial_params.pop("customerLatitude", 0.0)})
+    params.update({"customer_long": initial_params.pop("customerLongitude", 0.0)})
+    params.update({"service_name": request_json['serviceInfo']['serviceName']})
+    params.update({"service_id": request_json['serviceInfo']['serviceInstanceId']})
+
+    for key, val in initial_params.items():
+        if val and val != "":
+            params.update({key: val})
+
+    return params
+
+
+def conductor_api_builder(request_json, flat_policies: list, local_config,
+                          template="apps/placement/templates/conductor_interface.json"):
+    """Build an OSDF southbound API call for HAS-Conductor/Placement optimization
+    :param request_json: parameter data received from a client
+    :param flat_policies: policy data received from the policy platform (flat policies)
+    :param template: template to generate southbound API call to conductor
+    :param local_config: local configuration file with pointers for the service specific information
+    :param prov_status: provStatus retrieved from Subscriber policy
+    :return: json to be sent to Conductor/placement optimization
+    """
+    templ = Template(open(template).read())
+    gp = group_policies_gen(flat_policies, local_config)
+    demand_vnf_name_list = []
+
+    for placementDemand in request_json['placementInfo']['placementDemands']:
+        demand_vnf_name_list.append(placementDemand['resourceModuleName'].lower())
+    demand_list = tr.gen_demands(request_json, gp['vnfPolicy'])
+    attribute_policy_list = tr.gen_attribute_policy(demand_vnf_name_list, gp['attribute'])
+    distance_to_location_policy_list = tr.gen_distance_to_location_policy(
+        demand_vnf_name_list, gp['distance_to_location'])
+    inventory_policy_list = tr.gen_inventory_group_policy(demand_vnf_name_list, gp['inventory_group'])
+    resource_instance_policy_list = tr.gen_resource_instance_policy(
+        demand_vnf_name_list, gp['instance_fit'])
+    resource_region_policy_list = tr.gen_resource_region_policy(demand_vnf_name_list, gp['region_fit'])
+    zone_policy_list = tr.gen_zone_policy(demand_vnf_name_list, gp['zone'])
+    optimization_policy_list = tr.gen_optimization_policy(demand_vnf_name_list, gp['placement_optimization'])
+    reservation_policy_list = tr.gen_reservation_policy(demand_vnf_name_list, gp['instance_reservation'])
+    capacity_policy_list = tr.gen_capacity_policy(demand_vnf_name_list, gp['vim_fit'])
+    hpa_policy_list = tr.gen_hpa_policy(demand_vnf_name_list, gp['hpa'])
+    req_params_dict = _build_parameters(gp, request_json)
+    conductor_policies = [attribute_policy_list, distance_to_location_policy_list, inventory_policy_list,
+                          resource_instance_policy_list, resource_region_policy_list, zone_policy_list,
+                          reservation_policy_list, capacity_policy_list, hpa_policy_list]
+    filtered_policies = [x for x in conductor_policies if len(x) > 0]
+    policy_groups = list_flatten(filtered_policies)
+    req_info = request_json['requestInfo']
+    request_type = req_info.get('requestType', None)
+    rendered_req = templ.render(
+        requestType=request_type,
+        demand_list=demand_list,
+        policy_groups=policy_groups,
+        optimization_policies=optimization_policy_list,
+        name=req_info['requestId'],
+        timeout=req_info['timeout'],
+        limit=req_info['numSolutions'],
+        request_params=req_params_dict,
+        json=json)
+    json_payload = json.dumps(json.loads(rendered_req))  # need this because template's JSON is ugly!
+    return json_payload
diff --git a/apps/placement/optimizers/conductor/conductor.py b/apps/placement/optimizers/conductor/conductor.py
new file mode 100755
index 0000000..05d1641
--- /dev/null
+++ b/apps/placement/optimizers/conductor/conductor.py
@@ -0,0 +1,202 @@
+# -------------------------------------------------------------------------

+#   Copyright (c) 2015-2017 AT&T Intellectual Property

+#

+#   Licensed under the Apache License, Version 2.0 (the "License");

+#   you may not use this file except in compliance with the License.

+#   You may obtain a copy of the License at

+#

+#       http://www.apache.org/licenses/LICENSE-2.0

+#

+#   Unless required by applicable law or agreed to in writing, software

+#   distributed under the License is distributed on an "AS IS" BASIS,

+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+#   See the License for the specific language governing permissions and

+#   limitations under the License.

+#

+# -------------------------------------------------------------------------

+#

+

+"""

+This application generates conductor API calls using the information received from SO and Policy platform.

+"""

+

+import json

+import time

+

+from jinja2 import Template

+from requests import RequestException

+

+from apps.placement.optimizers.conductor.api_builder import conductor_api_builder

+from osdf.logging.osdf_logging import debug_log

+from osdf.utils.interfaces import RestClient

+from osdf.operation.exceptions import BusinessException

+

+

+def request(req_object, osdf_config, flat_policies):

+    """

+    Process a placement request from a Client (build Conductor API call, make the call, return result)

+    :param req_object: Request parameters from the client

+    :param osdf_config: Configuration specific to SNIRO application (core + deployment)

+    :param flat_policies: policies related to placement (fetched based on request)

+    :param prov_status: provStatus retrieved from Subscriber policy

+    :return: response from Conductor (accounting for redirects from Conductor service

+    """

+    config = osdf_config.deployment

+    local_config = osdf_config.core

+    uid, passwd = config['conductorUsername'], config['conductorPassword']

+    conductor_url = config['conductorUrl']

+    req_id = req_object['requestInfo']['requestId']

+    transaction_id = req_object['requestInfo']['transactionId']

+    headers = dict(transaction_id=transaction_id)

+    placement_ver_enabled = config.get('placementVersioningEnabled', False)

+    

+    if placement_ver_enabled:

+        cond_minor_version = config.get('conductorMinorVersion', None) 

+        if cond_minor_version is not None:

+            x_minor_version = str(cond_minor_version)

+            headers.update({'X-MinorVersion': x_minor_version})

+        debug_log.debug("Versions set in HTTP header to conductor: X-MinorVersion: {} ".format(x_minor_version))

+

+    max_retries = config.get('conductorMaxRetries', 30)

+    ping_wait_time = config.get('conductorPingWaitTime', 60)

+

+    rc = RestClient(userid=uid, passwd=passwd, method="GET", log_func=debug_log.debug, headers=headers)

+    conductor_req_json_str = conductor_api_builder(req_object, flat_policies, local_config)

+    conductor_req_json = json.loads(conductor_req_json_str)

+

+    debug_log.debug("Sending first Conductor request for request_id {}".format(req_id))

+    resp, raw_resp = initial_request_to_conductor(rc, conductor_url, conductor_req_json)

+    # Very crude way of keeping track of time.

+    # We are not counting initial request time, first call back, or time for HTTP request

+    total_time, ctr = 0, 2

+    client_timeout = req_object['requestInfo']['timeout']

+    configured_timeout = max_retries * ping_wait_time

+    max_timeout = min(client_timeout, configured_timeout)

+

+    while True:  # keep requesting conductor till we get a result or we run out of time

+        if resp is not None:

+            if resp["plans"][0].get("status") in ["error"]:

+                raise RequestException(response=raw_resp, request=raw_resp.request)

+

+            if resp["plans"][0].get("status") in ["done", "not found"]:

+                if resp["plans"][0].get("recommendations"):

+                    return conductor_response_processor(resp, raw_resp, req_id)

+                else:  # "solved" but no solutions found

+                    return conductor_no_solution_processor(resp, raw_resp, req_id)

+            new_url = resp['plans'][0]['links'][0][0]['href']  # TODO: check why a list of lists

+

+        if total_time >= max_timeout:

+            raise BusinessException("Conductor could not provide a solution within {} seconds,"

+                                    "this transaction is timing out".format(max_timeout))

+        time.sleep(ping_wait_time)

+        ctr += 1

+        debug_log.debug("Attempt number {} url {}; prior status={}".format(ctr, new_url, resp['plans'][0]['status']))

+        total_time += ping_wait_time

+

+        try:

+            raw_resp = rc.request(new_url, raw_response=True)

+            resp = raw_resp.json()

+        except RequestException as e:

+            debug_log.debug("Conductor attempt {} for request_id {} has failed because {}".format(ctr, req_id, str(e)))

+

+

+def initial_request_to_conductor(rc, conductor_url, conductor_req_json):

+    """First steps in the request-redirect chain in making a call to Conductor

+    :param rc: REST client object for calling conductor

+    :param conductor_url: conductor's base URL to submit a placement request

+    :param conductor_req_json: request json object to send to Conductor

+    :return: URL to check for follow up (similar to redirects); we keep checking these till we get a result/error

+    """

+    debug_log.debug("Payload to Conductor: {}".format(json.dumps(conductor_req_json)))

+    raw_resp = rc.request(url=conductor_url, raw_response=True, method="POST", json=conductor_req_json)

+    resp = raw_resp.json()

+    if resp["status"] != "template":

+        raise RequestException(response=raw_resp, request=raw_resp.request)

+    time.sleep(10)  # 10 seconds wait time to avoid being too quick!

+    plan_url = resp["links"][0][0]["href"]

+    debug_log.debug("Attempting to read the plan from the conductor provided url {}".format(plan_url))

+    raw_resp = rc.request(raw_response=True, url=plan_url)  # TODO: check why a list of lists for links

+    resp = raw_resp.json()

+

+    if resp["plans"][0]["status"] in ["error"]:

+        raise RequestException(response=raw_resp, request=raw_resp.request)

+    return resp, raw_resp  # now the caller of this will handle further follow-ups

+

+

+def conductor_response_processor(conductor_response, raw_response, req_id):

+    """Build a response object to be sent to client's callback URL from Conductor's response

+    This includes Conductor's placement optimization response, and required ASDC license artifacts

+

+    :param conductor_response: JSON response from Conductor

+    :param raw_response: Raw HTTP response corresponding to above

+    :param req_id: Id of a request

+    :return: JSON object that can be sent to the client's callback URL

+    """

+    composite_solutions = []

+    name_map = {"physical-location-id": "cloudClli", "host_id": "vnfHostName",

+                "cloud_version": "cloudVersion", "cloud_owner": "cloudOwner",

+                "cloud": "cloudRegionId", "service": "serviceInstanceId", "is_rehome": "isRehome",

+                "location_id": "locationId", "location_type": "locationType", "directives": "oof_directives"}

+    for reco in conductor_response['plans'][0]['recommendations']:

+        for resource in reco.keys():

+            c = reco[resource]['candidate']

+            solution = {

+                'resourceModuleName': resource,

+                'serviceResourceId': reco[resource].get('service_resource_id', ""),

+                'solution': {"identifierType": name_map.get(c['inventory_type'], c['inventory_type']),

+                             'identifiers': [c['candidate_id']],

+                             'cloudOwner': c.get('cloud_owner', "")},

+                'assignmentInfo': []

+            }

+            for key, value in c.items():

+                if key in ["location_id", "location_type", "is_rehome", "host_id"]:

+                    try:

+                        solution['assignmentInfo'].append({"key": name_map.get(key, key), "value": value})

+                    except KeyError:

+                        debug_log.debug("The key[{}] is not mapped and will not be returned in assignment info".format(key))

+

+            for key, value in reco[resource]['attributes'].items():

+                try:

+                    solution['assignmentInfo'].append({"key": name_map.get(key, key), "value": value})

+                except KeyError:

+                    debug_log.debug("The key[{}] is not mapped and will not be returned in assignment info".format(key))

+            composite_solutions.append(solution)

+

+    request_status = "completed" if conductor_response['plans'][0]['status'] == "done" \

+        else conductor_response['plans'][0]['status']

+    transaction_id = raw_response.headers.get('transaction_id', "")

+    status_message = conductor_response.get('plans')[0].get('message', "")

+

+    solution_info = {}

+    if composite_solutions:

+        solution_info.setdefault('placementSolutions', [])

+        solution_info['placementSolutions'].append(composite_solutions)

+

+    resp = {

+        "transactionId": transaction_id,

+        "requestId": req_id,

+        "requestStatus": request_status,

+        "statusMessage": status_message,

+        "solutions": solution_info

+    }

+    return resp

+

+

+def conductor_no_solution_processor(conductor_response, raw_response, request_id,

+                                    template_placement_response="templates/plc_opt_response.jsont"):

+    """Build a response object to be sent to client's callback URL from Conductor's response

+    This is for case where no solution is found

+

+    :param conductor_response: JSON response from Conductor

+    :param raw_response: Raw HTTP response corresponding to above

+    :param request_id: request Id associated with the client request (same as conductor response's "name")

+    :param template_placement_response: the template for generating response to client (plc_opt_response.jsont)

+    :return: JSON object that can be sent to the client's callback URL

+    """

+    status_message = conductor_response["plans"][0].get("message")

+    templ = Template(open(template_placement_response).read())

+    return json.loads(templ.render(composite_solutions=[], requestId=request_id, license_solutions=[],

+                                   transactionId=raw_response.headers.get('transaction_id', ""),

+                                   requestStatus="completed", statusMessage=status_message, json=json))

+

+

diff --git a/apps/placement/optimizers/conductor/remote_opt_processor.py b/apps/placement/optimizers/conductor/remote_opt_processor.py
new file mode 100644
index 0000000..a08f3a4
--- /dev/null
+++ b/apps/placement/optimizers/conductor/remote_opt_processor.py
@@ -0,0 +1,81 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+from requests import RequestException
+
+import traceback
+from osdf.operation.error_handling import build_json_error_body
+from osdf.logging.osdf_logging import metrics_log, MH, error_log
+from apps.placement.optimizers.conductor import conductor
+from apps.license.optimizers.simple_license_allocation import license_optim
+from osdf.utils.interfaces import get_rest_client
+from osdf.utils.mdc_utils import mdc_from_json
+
+
+def process_placement_opt(request_json, policies, osdf_config):
+    """Perform the work for placement optimization (e.g. call SDC artifact and make conductor request)
+    NOTE: there is scope to make the requests to policy asynchronous to speed up overall performance
+    :param request_json: json content from original request
+    :param policies: flattened policies corresponding to this request
+    :param osdf_config: configuration specific to OSDF app
+    :param prov_status: provStatus retrieved from Subscriber policy
+    :return: None, but make a POST to callback URL
+    """
+    
+    try:
+        mdc_from_json(request_json)
+        rc = get_rest_client(request_json, service="so")
+        req_id = request_json["requestInfo"]["requestId"]
+        transaction_id = request_json['requestInfo']['transactionId']
+
+        metrics_log.info(MH.inside_worker_thread(req_id))
+        license_info = None
+        if request_json.get('licenseInfo', {}).get('licenseDemands'):
+            license_info = license_optim(request_json)
+
+        # Conductor only handles placement, only call Conductor if placementDemands exist
+        if request_json.get('placementInfo', {}).get('placementDemands'):
+            metrics_log.info(MH.requesting("placement/conductor", req_id))
+            placement_response = conductor.request(request_json, osdf_config, policies)
+            if license_info:  # Attach license solution if it exists
+                placement_response['solutionInfo']['licenseInfo'] = license_info
+        else:  # License selection only scenario
+            placement_response = {
+                "transactionId": transaction_id,
+                "requestId": req_id,
+                "requestStatus": "completed",
+                "statusMessage": "License selection completed successfully",
+                "solutionInfo": {"licenseInfo": license_info}
+            }
+    except Exception as err:
+        error_log.error("Error for {} {}".format(req_id, traceback.format_exc()))
+
+        try:
+            body = build_json_error_body(err)
+            metrics_log.info(MH.sending_response(req_id, "ERROR"))
+            rc.request(json=body, noresponse=True)
+        except RequestException:
+            error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
+        return
+
+    try:
+        metrics_log.info(MH.calling_back_with_body(req_id, rc.url,placement_response))
+        rc.request(json=placement_response, noresponse=True)
+    except RequestException :  # can't do much here but log it and move on
+        error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
+
diff --git a/apps/placement/optimizers/conductor/translation.py b/apps/placement/optimizers/conductor/translation.py
new file mode 100644
index 0000000..d361755
--- /dev/null
+++ b/apps/placement/optimizers/conductor/translation.py
@@ -0,0 +1,283 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+import copy
+import json
+import yaml
+import re
+
+from osdf.utils.data_conversion import text_to_symbol
+from osdf.utils.programming_utils import dot_notation
+
+policy_config_mapping = yaml.safe_load(open('config/has_config.yaml')).get('policy_config_mapping')
+
+
+def get_opt_query_data(req_json, policies):
+    """
+    Fetch service and order specific details from the requestParameters field of a request.
+    :param req_json: a request file
+    :param policies: A set of policies
+    :return: A dictionary with service and order-specific attributes.
+    """
+    req_param_dict = {}
+    if 'requestParameters' in req_json["placementInfo"]:
+        req_params = req_json["placementInfo"]["requestParameters"]
+        for policy in policies:
+            for queryProp in policy['content']['queryProperties']:
+                attr_val = queryProp['value'] if 'value' in queryProp and queryProp['value'] != "" \
+                    else dot_notation(req_params, queryProp['attribute_location'])
+                if attr_val is not None:
+                    req_param_dict.update({queryProp['attribute']: attr_val})
+    return req_param_dict
+
+
+def gen_optimization_policy(vnf_list, optimization_policy):
+    """Generate optimization policy details to pass to Conductor
+    :param vnf_list: List of vnf's to used in placement request
+    :param optimization_policy: optimization objective policy information provided in the incoming request
+    :return: List of optimization objective policies in a format required by Conductor
+    """
+    optimization_policy_list = []
+    for policy in optimization_policy:
+        content = policy['content']
+        parameter_list = []
+        parameters = ["cloud_version", "hpa_score"]
+
+        for attr in content['objectiveParameter']['parameterAttributes']:
+            parameter = attr['parameter'] if attr['parameter'] in parameters else attr['parameter']+"_between"
+            vnfs = get_matching_vnfs(attr['resources'], vnf_list)
+            for vnf in vnfs:
+                value = [vnf] if attr['parameter'] in parameters else [attr['customerLocationInfo'], vnf]
+                parameter_list.append({
+                    attr['operator']: [attr['weight'], {parameter: value}]
+                })
+
+        optimization_policy_list.append({
+                content['objective']: {content['objectiveParameter']['operator']: parameter_list }
+        })
+    return optimization_policy_list
+
+
+def get_matching_vnfs(resources, vnf_list, match_type="intersection"):
+    """Get a list of matching VNFs from the list of resources
+    :param resources:
+    :param vnf_list: List of vnfs to used in placement request
+    :param match_type: "intersection" or "all" or "any" (any => send all_vnfs if there is any intersection)
+    :return: List of matching VNFs
+    """
+    resources_lcase = [x.lower() for x in resources]
+    if match_type == "all":  # don't bother with any comparisons
+        return resources if set(resources_lcase) <= set(vnf_list) else None
+    common_vnfs = set(vnf_list) & set(resources_lcase)
+    common_resources = [x for x in resources if x.lower() in common_vnfs]
+    if match_type == "intersection":  # specifically requested intersection
+        return list(common_resources)
+    return resources if common_vnfs else None  # "any" match => all resources to be returned
+
+
+def gen_policy_instance(vnf_list, resource_policy, match_type="intersection", rtype=None):
+    """Generate a list of policies
+    :param vnf_list: List of vnf's to used in placement request
+    :param resource_policy: policy for this specific resource
+    :param match_type: How to match the vnf_names with the vnf_list (intersection or "any")
+             intersection => return intersection; "any" implies return all vnf_names if intersection is not null
+    :param rtype: resource type (e.g. resourceRegionProperty or resourceInstanceProperty)
+             None => no controller information added to the policy specification to Conductor
+    :return: resource policy list in a format required by Conductor
+    """
+    resource_policy_list = []
+    related_policies = []
+    for policy in resource_policy:
+        pc = policy['content']
+        demands = get_matching_vnfs(pc['resources'], vnf_list, match_type=match_type)
+        resource = {pc['identity']: {'type': pc['policyType'], 'demands': demands}}
+
+        if rtype:
+            resource[pc['identity']]['properties'] = {'controller': pc[rtype]['controller'],
+                                                      'request': json.loads(pc[rtype]['request'])}
+        if demands and len(demands) != 0:
+            resource_policy_list.append(resource)
+            related_policies.append(policy)
+    return resource_policy_list, related_policies
+
+
+def gen_resource_instance_policy(vnf_list, resource_instance_policy):
+    """Get policies governing resource instances in order to populate the Conductor API call"""
+    cur_policies, _ = gen_policy_instance(vnf_list, resource_instance_policy, rtype='resourceInstanceProperty')
+    return cur_policies
+
+
+def gen_resource_region_policy(vnf_list, resource_region_policy):
+    """Get policies governing resource region in order to populate the Conductor API call"""
+    cur_policies, _ = gen_policy_instance(vnf_list, resource_region_policy, rtype='resourceRegionProperty')
+    return cur_policies
+
+
+def gen_inventory_group_policy(vnf_list, inventory_group_policy):
+    """Get policies governing inventory group in order to populate the Conductor API call"""
+    cur_policies, _ = gen_policy_instance(vnf_list, inventory_group_policy, rtype=None)
+    return cur_policies
+
+
+def gen_reservation_policy(vnf_list, reservation_policy):
+    """Get policies governing resource instances in order to populate the Conductor API call"""
+    cur_policies, _ = gen_policy_instance(vnf_list, reservation_policy, rtype='instanceReservationProperty')
+    return cur_policies
+
+
+def gen_distance_to_location_policy(vnf_list, distance_to_location_policy):
+    """Get policies governing distance-to-location for VNFs in order to populate the Conductor API call"""
+    cur_policies, related_policies = gen_policy_instance(vnf_list, distance_to_location_policy, rtype=None)
+    for p_new, p_main in zip(cur_policies, related_policies):  # add additional fields to each policy
+        properties = p_main['content']['distanceProperties']
+        pcp_d = properties['distance']
+        p_new[p_main['content']['identity']]['properties'] = {
+            'distance': pcp_d['operator'] + " " + pcp_d['value'].lower() + " " + pcp_d['unit'].lower(),
+            'location': properties['locationInfo']
+        }
+    return cur_policies
+
+
+def gen_attribute_policy(vnf_list, attribute_policy):
+    """Get policies governing attributes of VNFs in order to populate the Conductor API call"""
+    cur_policies, related_policies = gen_policy_instance(vnf_list, attribute_policy, rtype=None)
+    for p_new, p_main in zip(cur_policies, related_policies):  # add additional fields to each policy
+        properties = p_main['content']['cloudAttributeProperty']
+        attribute_mapping = policy_config_mapping['attributes']  # wanted attributes and mapping
+        p_new[p_main['content']['identity']]['properties'] = {
+            'evaluate': dict((k, properties.get(attribute_mapping.get(k))) for k in attribute_mapping.keys())
+        }
+    return cur_policies  # cur_policies gets updated in place...
+
+
+def gen_zone_policy(vnf_list, zone_policy):
+    """Get zone policies in order to populate the Conductor API call"""
+    cur_policies, related_policies = gen_policy_instance(vnf_list, zone_policy, match_type="all", rtype=None)
+    for p_new, p_main in zip(cur_policies, related_policies):  # add additional fields to each policy
+        pmz = p_main['content']['affinityProperty']
+        p_new[p_main['content']['identity']]['properties'] = {'category': pmz['category'], 'qualifier': pmz['qualifier']}
+    return cur_policies
+
+
+def gen_capacity_policy(vnf_list, capacity_policy):
+    """Get zone policies in order to populate the Conductor API call"""
+    cur_policies, related_policies = gen_policy_instance(vnf_list, capacity_policy, rtype=None)
+    for p_new, p_main in zip(cur_policies, related_policies):  # add additional fields to each policy
+        pmz = p_main['content']['capacityProperty']
+        p_new[p_main['content']['identity']]['properties'] = \
+            {"controller": pmz['controller'], 'request': json.loads(pmz['request'])}
+    return cur_policies
+
+
+def gen_hpa_policy(vnf_list, hpa_policy):
+    """Get zone policies in order to populate the Conductor API call"""
+    cur_policies, related_policies = gen_policy_instance(vnf_list, hpa_policy, rtype=None)
+    for p_new, p_main in zip(cur_policies, related_policies):  # add additional fields to each policy
+        p_new[p_main['content']['identity']]['properties'] = {'evaluate': p_main['content']['flavorFeatures']}
+    return cur_policies
+
+
+def get_augmented_policy_attributes(policy_property, demand):
+    """Get policy attributes and augment them using policy_config_mapping and demand information"""
+    attributes = copy.copy(policy_property['attributes'])
+    remapping = policy_config_mapping['remapping']
+    extra = dict((x, demand['resourceModelInfo'][remapping[x]]) for x in attributes if x in remapping)
+    attributes.update(extra)
+    return attributes
+
+
+def get_candidates_demands(demand):
+    """Get demands related to candidates; e.g. excluded/required"""
+    res = {}
+    for k, v in policy_config_mapping['candidates'].items():
+        if k not in demand:
+            continue
+        res[v] = [{'inventory_type': x['identifierType'], 'candidate_id': x['identifiers']} for x in demand[k]]
+    return res
+
+
+def get_policy_properties(demand, policies):
+    """Get policy_properties for cases where there is a match with the demand"""
+    for policy in policies:
+        policy_demands = set([x.lower() for x in policy['content'].get('resources', [])])
+        if demand['resourceModuleName'].lower() not in policy_demands:
+            continue  # no match for this policy
+        for policy_property in policy['content']['vnfProperties']:
+            yield policy_property
+
+
+def get_demand_properties(demand, policies):
+    """Get list demand properties objects (named tuples) from policy"""
+    demand_properties = []
+    for policy_property in get_policy_properties(demand, policies):
+        prop = dict(inventory_provider=policy_property['inventoryProvider'],
+                    inventory_type=policy_property['inventoryType'],
+                    service_type=demand['serviceResourceId'],
+                    service_resource_id=demand['serviceResourceId'])
+
+        prop.update({'unique': policy_property['unique']} if 'unique' in policy_property and
+                                                             policy_property['unique'] else {})
+        prop['attributes'] = dict()
+        prop['attributes'].update({'global-customer-id': policy_property['customerId']}
+                                  if policy_property['customerId'] else {})
+        prop['attributes'].update({'model-invariant-id': demand['resourceModelInfo']['modelInvariantId']}
+                                  if demand['resourceModelInfo']['modelInvariantId'] else {})
+        prop['attributes'].update({'model-version-id': demand['resourceModelInfo']['modelVersionId']}
+                                  if demand['resourceModelInfo']['modelVersionId'] else {})
+        prop['attributes'].update({'equipment-role': policy_property['equipmentRole']}
+                                  if policy_property['equipmentRole'] else {})
+
+        if policy_property.get('attributes'):
+            for attr_key, attr_val in policy_property['attributes'].items():
+                update_converted_attribute(attr_key, attr_val, prop)
+
+        prop.update(get_candidates_demands(demand))
+        demand_properties.append(prop)
+    return demand_properties
+
+
+def update_converted_attribute(attr_key, attr_val, properties):
+    """
+    Updates dictonary of attributes with one specified in the arguments.
+    Automatically translates key namr from camelCase to hyphens
+    :param attr_key: key of the attribute
+    :param attr_val: value of the attribute
+    :param properties: dictionary with attributes to update
+    :return:
+    """
+    if attr_val:
+        remapping = policy_config_mapping['attributes']
+        if remapping.get(attr_key):
+            key_value = remapping.get(attr_key)
+        else:
+            key_value = re.sub('(.)([A-Z][a-z]+)', r'\1-\2', attr_key)
+            key_value = re.sub('([a-z0-9])([A-Z])', r'\1-\2', key_value).lower()
+        properties['attributes'].update({key_value: attr_val})
+
+
+def gen_demands(req_json, vnf_policies):
+    """Generate list of demands based on request and VNF policies
+    :param req_json: Request object from the client (e.g. MSO)
+    :param vnf_policies: Policies associated with demand resources (e.g. from grouped_policies['vnfPolicy'])
+    :return: list of demand parameters to populate the Conductor API call
+    """
+    demand_dictionary = {}
+    for demand in req_json['placementInfo']['placementDemands']:
+        prop = get_demand_properties(demand, vnf_policies)
+        if len(prop) > 0:
+            demand_dictionary.update({demand['resourceModuleName']: prop})
+    return demand_dictionary
diff --git a/apps/placement/templates/conductor_interface.json b/apps/placement/templates/conductor_interface.json
new file mode 100755
index 0000000..030d6a0
--- /dev/null
+++ b/apps/placement/templates/conductor_interface.json
@@ -0,0 +1,39 @@
+{
+  "name": "{{ name }}",
+  "files": {},
+  "timeout": {{ timeout }},
+  "num_solution": "{{ limit }}",
+  "template": {
+    "homing_template_version": "2017-10-10",
+    "parameters": {
+      {% set comma=joiner(",") %}
+      {% for key, value in request_params.items() %} {{ comma() }}
+        "{{key}}": {{ json.dumps(value) }}
+      {% endfor %}
+    },
+    "locations": {
+        "customer_loc": {
+            "latitude": { "get_param": "customer_lat" },
+            "longitude": { "get_param": "customer_long" }
+        }
+    },
+    "demands": {{ json.dumps(demand_list) }},
+    {% set comma_main = joiner(",") %}
+    "constraints": {
+      {% set comma=joiner(",") %}
+      {% for elem in policy_groups %} {{ comma() }}
+        {% for key, value in elem.items() %}
+          "{{key}}": {{ json.dumps(value) }}
+        {% endfor %}
+      {% endfor %}
+    },
+    "optimization": {
+      {% set comma=joiner(",") %}
+      {% for elem in optimization_policies %} {{ comma() }}
+        {% for key, value in elem.items() %}
+          "{{key}}": {{ json.dumps(value) }}
+        {% endfor %}
+      {% endfor %}
+    }
+  }
+}
diff --git a/apps/placement/templates/plc_opt_request.jsont b/apps/placement/templates/plc_opt_request.jsont
new file mode 100755
index 0000000..a218b8a
--- /dev/null
+++ b/apps/placement/templates/plc_opt_request.jsont
@@ -0,0 +1,142 @@
+{

+  "name": "{{ name }}",

+  "files": "{{ files }}",

+  "timeout": "{{ timeout }}",

+  "num_solution": "{{ limit }}",

+  "template": {

+    "CUST_ID": "{{ cust_id }}",

+    "E2EVPNKEY": "{{ e2evpnkey }}",

+    "UCPEHOST": "{{ ucpehost }}",

+    "WAN_PORT1_UP": "{{ wan_port1_up }}",

+    "WAN_PORT1_DOWN": "{{ wan_port1_down }}",

+    "EFFECTIVE_BANDWIDTH": "{{ effective_bandwidth }}",

+    "SERVICE_INST": "{{ service_inst }}",

+    "locations": {

+      "customer_loc": {

+        "host_name": "{{ ucpehost }}"

+      }

+    },

+    "demands": [

+      {% set comma=joiner(",") %}

+      {% for demand in demand_list %} {{ comma() }}

+      {

+        "{{ demand.vnf_name }}": [

+          {% set comma2=joiner(",") %}

+          {% for property in demand.property %}

+            "inventory_provider": {{ property.inventory_provider }},

+            "inventory_type": {{ property.inventory_type }},

+            "service_type": {{ property.service_type }},

+            "customer_id": {{ property.customer_id }},

+            "candidate_id": {{ property.candidate_id }}

+          {% endfor %}

+        ]

+      }

+      {% endfor %}

+    ],

+    "constraints": {

+      {% set comma_main=joiner(",") %}

+

+      {% if attribute_policy_list %} {{ comma_main() }} {% endif %}

+      {% set comma=joiner(",") %}

+      {% for attribute in attribute_policy_list %} {{ comma() }}

+      attribute['identity'] : {

+        "type": {{ attribute['type'] }},

+        "demands": {{ attribute['demands'] }},

+        "properties": {

+          "evaluate": {

+            "hypervisor": {{ attribute['property']['hypervisor'] }},

+            "aic_version": {{ attribute['property']['aicVersion'] }},

+            "aic_type": {{ attribute['property']['aicType'] }},

+            "dataplane": {{ attribute['property']['datatype'] }},

+            "network_roles": {{ attribute['property']['networkRoles'] }},

+            "complex": {{ attribute['property']['complex'] }}

+          }

+        }

+      }

+      {% endfor %}

+

+      {% if distance_to_location_policy_list %} {{ comma_main() }} {% endif %}

+      {% set comma=joiner(",") %}

+      {% for distance_location in distance_to_location_policy_list %} {{ comma() }}

+      distance_location['identity'] : {

+        "type": {{ distance_location['type'] }},

+        "demands": {{ distance_location['demands'] }},

+        "properties": {

+          "distance": {{ distance_location['property']['distance'] }},

+          "location": {{ distance_location['property']['location'] }}

+        }

+      }

+      {% endfor %}

+

+      {% if inventory_policy_list %} {{ comma_main() }} {% endif %}

+      {% set comma=joiner(",") %}

+      {% for inventory in inventory_policy_list %} {{ comma() }}

+      inventory['identity'] : {

+        "type": {{ inventory['type'] }},

+        "demands": {{ inventory['demands'] }}

+      }

+      {% endfor %}

+

+      {% if resource_instance_policy_list %} {{ comma_main() }} {% endif %}

+      {% set comma=joiner(",") %}

+      {% for resource_instance in resource_instance_policy_list %} {{ comma() }}

+      resource_instance['identity'] : {

+        "type": {{ resource_instance['type'] }},

+        "demands": {{ resource_instance['demands'] }},

+        "properties": {

+          "controller": {{ resource_instance['property']['controller'] }},

+          "request": {{ resource_instance['property']['request'] }}

+        }

+      }

+      {% endfor %}

+

+      {% if resource_region_policy_list %} {{ comma_main() }} {% endif %}

+      {% set comma=joiner(",") %}

+      {% for resource_region in resource_region_policy_list %} {{ comma() }}

+      resource_region['identity'] : {

+        "type": {{ resource_region['type'] }},

+        "demands": {{ resource_region['demands'] }},

+        "properties": {

+          "controller": {{ resource_region['property']['controller'] }},

+          "request": {{ resource_region['property']['request'] }}

+        }

+      }

+      {% endfor %}

+

+      {% if zone_policy_list %} {{ comma_main() }} {% endif %}

+      {% set comma=joiner(",") %}

+      {% for zone in zone_policy_list %} {{ comma() }}

+      zone['identity'] : {

+        "type": {{ zone['type'] }},

+        "demands": {{ zone['demands'] }},

+        "properties": {

+          "qualifier": {{ resource_region['property']['qualifier'] }},

+          "category": {{ resource_region['property']['category'] }}

+        }

+      }

+      {% endfor %}

+

+      {%  if optmization_policy_list %} {{ comma_main() }} {% endif %}

+      {% set comma=joiner(",") %}

+      {% for optimization in optimization_policy_list %} {{ comma() }}

+      "optimization" : {

+        {{ optimization['objective'] }}: {

+          "sum": [

+            {% set comma2=joiner(",") %}

+            {% for parameter in optimization['parameter'] %} {{ comma() }}

+            {

+              "product": [

+                {{ parameter['weight'] }},

+                {

+                  "distance_between": [{{ parameter['customerLocation'] }},{{ parameter['demand'] }}]

+                }

+              ]

+            }

+            {% endfor %}

+          ]

+        }

+      }

+      {% endfor %}

+    }

+  }

+}

diff --git a/apps/placement/templates/plc_opt_response.jsont b/apps/placement/templates/plc_opt_response.jsont
new file mode 100755
index 0000000..e5709e7
--- /dev/null
+++ b/apps/placement/templates/plc_opt_response.jsont
@@ -0,0 +1,10 @@
+{
+  "requestId": "{{requestId}}",
+  "transactionId": "{{transacationId}}",
+  "requestStatus": "{{requestStatus}}",
+  "statusMessage": "{{statusMessage}}"
+  "solutions": {
+      "placementSolutions": {{ json.dumps(composite_solutions) }},
+      "licenseSolutions":{{ json.dumps(license_solutions) }}
+  }
+}
diff --git a/apps/placement/templates/policy_request.jsont b/apps/placement/templates/policy_request.jsont
new file mode 100755
index 0000000..3a9e201
--- /dev/null
+++ b/apps/placement/templates/policy_request.jsont
@@ -0,0 +1,3 @@
+{
+    "policyName": "{{policy_name}}"  {# we currently only support query by policy name only -- policyName #}
+}
diff --git a/apps/route/__init__.py b/apps/route/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/route/__init__.py
diff --git a/apps/route/optimizers/__init__.py b/apps/route/optimizers/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/route/optimizers/__init__.py
diff --git a/apps/route/optimizers/simple_route_opt.py b/apps/route/optimizers/simple_route_opt.py
new file mode 100644
index 0000000..b00180d
--- /dev/null
+++ b/apps/route/optimizers/simple_route_opt.py
@@ -0,0 +1,153 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2018 Huawei Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+import requests
+from requests.auth import HTTPBasicAuth
+
+from osdf.utils.mdc_utils import mdc_from_json
+
+
+class RouteOpt:
+
+    """
+    This values will need to deleted.. 
+    only added for the debug purpose 
+    """
+    # DNS server and standard port of AAI.. 
+    # TODO: read the port from the configuration and add to DNS
+    aai_host = "https://aai.api.simpledemo.onap.org:8443"
+    aai_headers = {
+        "X-TransactionId": "9999",
+        "X-FromAppId": "OOF",
+        "Accept": "application/json",
+        "Content-Type": "application/json",
+        "Real-Time": "true"
+    }
+
+    def isCrossONAPLink(self, logical_link):
+        """
+        This method checks if cross link is cross onap
+        :param logical_link:
+        :return:
+        """
+        for relationship in logical_link["relationship-list"]["relationship"]:
+            if relationship["related-to"] == "ext-aai-network":
+                return True
+        return False
+
+    def getRoute(self, request):
+        """
+        This method checks 
+        :param logical_link:
+        :return:
+        """
+        mdc_from_json(request)
+
+        src_access_node_id = request["srcPort"]["src-access-node-id"]
+        dst_access_node_id = request["dstPort"]["dst-access-node-id"]
+        
+
+        ingress_p_interface = None
+        egress_p_interface = None
+
+        # for the case of request_json for same domain, return the same node with destination update
+        if src_access_node_id == dst_access_node_id:
+            data = '{'\
+                '"vpns":['\
+                    '{'\
+                        '"access-topology-id": "' + request["srcPort"]["src-access-topology-id"] + '",'\
+                        '"access-client-id": "' + request["srcPort"]["src-access-client-id"] + '",'\
+                        '"access-provider-id": "' + request["srcPort"]["src-access-provider-id"]+ '",'\
+                        '"access-node-id": "' + request["srcPort"]["src-access-node-id"]+ '",'\
+                        '"src-access-ltp-id": "' + request["srcPort"]["src-access-ltp-id"]+ '",'\
+                        '"dst-access-ltp-id": "' + request["dstPort"]["dst-access-ltp-id"]  +'"'\
+                    '}'\
+                ']'\
+            '}'
+            return data
+        else:
+            logical_links = self.get_logical_links()
+
+            # take the logical link where both the p-interface in same onap
+            if logical_links != None:
+                for logical_link in logical_links.get("logical-link"):
+                    if not self.isCrossONAPLink(logical_link):
+                        # link is in local ONAP
+                        for relationship in logical_link["relationship-list"]["relationship"]:
+                            if relationship["related-to"] == "p-interface":
+                                if src_access_node_id in relationship["related-link"]:
+                                    i_interface = relationship["related-link"].split("/")[-1]
+                                    ingress_p_interface = i_interface.split("-")[-1]
+                                if dst_access_node_id in relationship["related-link"]:
+                                    e_interface = relationship["related-link"].split("/")[-1]
+                                    egress_p_interface = e_interface.split("-")[-1]
+                        data = '{'\
+                                '"vpns":['\
+                                        '{'\
+                                        '"access-topology-id": "' + request["srcPort"]["src-access-topology-id"] + '",'\
+                                        '"access-client-id": "' + request["srcPort"]["src-access-client-id"] + '",'\
+                                        '"access-provider-id": "' + request["srcPort"]["src-access-provider-id"]+ '",'\
+                                        '"access-node-id": "' + request["srcPort"]["src-access-node-id"]+ '",'\
+                                        '"src-access-ltp-id": "' + request["srcPort"]["src-access-ltp-id"]+ '",'\
+                                        '"dst-access-ltp-id": "' + ingress_p_interface +'"'\
+                                '},'\
+                                '{' \
+                                        '"access-topology-id": "' + request["dstPort"]["dst-access-topology-id"] + '",' \
+                                        '"access-topology-id": "' + request["dstPort"]["dst-access-topology-id"]+ '",' \
+                                        '"access-provider-id": "' + request["dstPort"]["dst-access-provider-id"]+ '",' \
+                                        '"access-node-id": "' + request["dstPort"]["dst-access-node-id"]+ '",' \
+                                        '"src-access-ltp-id": "' + egress_p_interface + '",' \
+                                        '"dst-access-ltp-id": "' + request["dstPort"]["dst-access-ltp-id"] + '"' \
+                                '}'\
+                            ']'\
+                        '}'
+                        return data
+
+
+    def get_pinterface(self, url):
+        """
+        This method returns details for p interface
+        :return: details of p interface
+        """
+        aai_req_url = self.aai_host + url
+        response = requests.get(aai_req_url,
+                                headers=self.aai_headers,
+                                auth=HTTPBasicAuth("AAI", "AAI"),
+                                verify=False)
+
+        if response.status_code == 200:
+            return response.json()
+
+
+    def get_logical_links(self):
+        """
+        This method returns list of all cross ONAP links
+        from /aai/v14/network/logical-links?operation-status="Up"
+        :return: logical-links[]
+        """
+        logical_link_url = "/aai/v13/network/logical-links?operational-status=up"
+        aai_req_url = self.aai_host + logical_link_url
+
+        response = requests.get(aai_req_url,
+                     headers=self.aai_headers,
+                     auth=HTTPBasicAuth("AAI", "AAI"),
+                     verify=False)
+
+        logical_links =  None
+        if response.status_code == 200:
+            return response.json()
\ No newline at end of file
diff --git a/apps/templates/cms_opt_request.jsont b/apps/templates/cms_opt_request.jsont
new file mode 100755
index 0000000..006562b
--- /dev/null
+++ b/apps/templates/cms_opt_request.jsont
@@ -0,0 +1,35 @@
+{
+  "transaction_id": "{{ transaction_id }}",
+  "request_id": "{{ request_id }}",
+  "start_date" : "{{ start_time }}",
+  "end_date" : "{{ end_time }}",
+  "change_elements" : {{ json.dumps(change_elements) }},
+  "constraints" : [
+    {
+      "type" : "general_concurrency_limit",
+      "parameters": [{{ concurrency_limit }}]
+    },
+
+    {
+      "type" : "allowed_forbidden_periods",
+      "parameters" : {{ json.dumps(allowed_periods) }}
+    }
+
+    {% if spatial_conflicts is defined and spatial_conflicts|length > 0 %}
+    ,
+    {
+      "type" : "spatial_conflict",
+      "parameters": {{ json.dumps(spatial_conflicts) }}
+    }
+    {% endif %}
+
+
+    {% if critical_periods is defined and spatial_conflicts|length > 0 %}
+    ,
+    {
+      "type" : "critical_periods",
+      "parameters": {{ json.dumps(critical_periods) }}
+    }
+    {% endif %}
+  ]
+}
diff --git a/apps/templates/cms_opt_request.jsont_1707_v1 b/apps/templates/cms_opt_request.jsont_1707_v1
new file mode 100755
index 0000000..75ecbe5
--- /dev/null
+++ b/apps/templates/cms_opt_request.jsont_1707_v1
@@ -0,0 +1,67 @@
+{
+  "transaction_id": "{{ transaction_id }}",
+  "request_id": "{{ request_id }}",
+  "start_date" : "{{ start_time }}",
+  "end_date" : "{{ end_time }}",
+
+  "change_elements" : [
+  {% set comma = joiner(",") -%}
+  {% for element in all_upgrades -%} {{ comma() }}
+    {
+      "id" : "{{ element.id }}",
+      "failback_duration": {{ element.failback_duration }},
+      {% if element.group_id -%}
+        "group_id": "{{ element.group_id }}",
+      {% endif %}
+      {% if element.scheduled_on -%}
+        "scheduled_on": "{{ element.scheduled_on }}",
+      {% endif %}
+      "duration": {{ element.duration }}
+    }
+  {% endfor -%}
+  ],
+
+  "constraints" : [
+    {
+      "type" : "general_concurrency_limit",
+      "parameters": [{{ concurrency_limit }}]
+    },
+
+    {
+      "type" : "allowed_forbidden_periods",
+      "parameters" : [
+      {% set comma = joiner(",") -%}
+      {% for idx in all_pending -%} {{ comma() }}
+        { "id" : "{{ idx.id }}",
+          "allowed_periods": [ {{ allowed_periods }}]
+        }
+      {% endfor -%}
+      ]
+    },
+    {
+      "type" : "spatial_conflict",
+      "parameters": [
+      {% set comma = joiner(",") -%}
+      {% for pserver, vce_list in vce_pserver_mapping.items() -%} {{ comma() }}
+        {
+          "spatial_entity": "{{ pserver }}",
+          "affected_entities": {{ vce_list }}
+        }
+      {% endfor -%}
+      ]
+    },
+
+    {
+      "type" : "critical_periods",
+      "parameters": [
+      {% set comma = joiner(",") -%}
+      {% for element, conflict_period in conflict_interval.items() -%} {{ comma() }}
+        {
+          "id" : "{{ element }}",
+          "periods": [{{ conflict_period }}]
+        }
+      {% endfor -%}
+      ]
+    }
+  ]
+}
diff --git a/apps/templates/cms_opt_request_1702.jsont b/apps/templates/cms_opt_request_1702.jsont
new file mode 100755
index 0000000..bcafa45
--- /dev/null
+++ b/apps/templates/cms_opt_request_1702.jsont
@@ -0,0 +1,63 @@
+{
+  "request_id": "{{ request_id }}",
+  "startdate" : "{{ start_time }}",
+  "enddate" : "{{ end_time }}",
+
+  "change_elements" : [
+{% set comma = joiner(",") -%}
+{% for element in all_upgrades -%} {{ comma() }} 
+    { "id" : "{{ element.id }}",
+    {% if element.scheduled -%} "scheduled_on": "{{ element.scheduled }}", {% endif -%}
+    "duration": {{ element.duration }}, {# duration in seconds #}
+    "failback_duration": {{ element.failback_duration }}, {# duration in seconds #}
+    "group_id": {{ element.group_id }}, {# duration in seconds #}
+    }{% endfor -%}
+  ],
+
+  "constraints" : [
+    {
+      "type" : "general_concurrency_limit",
+      "parameters" : [ {{ general_concurrency_limit }} ]
+    },
+
+    {
+      "type" : "allowed_forbidden_periods",
+      "parameters" : [
+{% set comma = joiner(",") -%}
+{% for idx in all_pending -%} {{ comma() }}
+        { "id" : "{{ idx.id }}",
+          "allowed_periods": [ {% set comma2 = joiner(",") -%}
+          {% for period in allowed_periods -%} {{ comma2() }} [{{ json.dumps(period[0]) }}, {{ json.dumps(period[1]) }}]
+          {% endfor -%} ] }{% endfor -%}
+      ]
+    }
+
+{% if p_v_conflict is defined and p_v_conflict|length > 0 %}
+    ,
+    {
+      "type" : "critical_periods",
+      "description" : "Simultaneous upgrades",
+      "parameters" : [
+{% set comma2 = joiner(",") -%}
+{% for element in p_v_conflict -%} {{ comma2() }}
+        {
+          "id" : "{{ element[0]  }}",
+          "periods" : [{{ json.dumps(element[0]) }}, {{ json.dumps(element[1]) }}]
+        }
+{% endfor -%}
+{% endif %}
+
+{% for pserver, vce_group in grouped_vces.items() -%} {{ comma() }}
+    ,
+    {
+          "id" : "{{ pserver  }}",
+          "name" : "VCE's on pserver {{ pserver }}",
+          "description": "Only some VCEs on a pserver can be upgraded at a time",
+          "max_num_upgrades" : {{ max_num_upgrades(vce_group) }},
+          "upgrades" : {{ json.dumps(vce_group) }}
+        }
+{% endfor -%}
+      ]
+    }
+  ]
+}
diff --git a/apps/templates/cms_opt_response.jsont b/apps/templates/cms_opt_response.jsont
new file mode 100644
index 0000000..a8817df
--- /dev/null
+++ b/apps/templates/cms_opt_response.jsont
@@ -0,0 +1,8 @@
+{
+    "transactionId": "{{transaction_id}}",
+    "scheduleId":"{{schedule_id}}",
+    "requestState": "{{request_state}}",
+    "status": "{{status}}",
+    "description": "{{description}}",
+    "schedule": {{schedule}}
+}
\ No newline at end of file
diff --git a/apps/templates/license_opt_request.jsont b/apps/templates/license_opt_request.jsont
new file mode 100644
index 0000000..7baa759
--- /dev/null
+++ b/apps/templates/license_opt_request.jsont
@@ -0,0 +1,6 @@
+{
+	"transactionId": "{{transaction_id}}",
+	"requestId": "{{request_id}}",
+    "partNumber": "{{part_number}}",
+	"licenseModel" : "{{artifact}}"
+}
\ No newline at end of file
diff --git a/apps/templates/test_cms_nb_req_from_client.jsont b/apps/templates/test_cms_nb_req_from_client.jsont
new file mode 100755
index 0000000..a60c8ff
--- /dev/null
+++ b/apps/templates/test_cms_nb_req_from_client.jsont
@@ -0,0 +1,19 @@
+{
+	"schedulingInfo": { 
+        "change_management_id": "{{ change_management_id }}",
+        "start_time": "{{ start_time }}",
+        "end_time": "{{ end_time }}",
+        "policy_id": {{ json.dumps(policy_id) }},  {# a list of policy Ids #}
+        "service_type": "{{ service_type }}",
+        "workflow_type": "{{ workflow_type }}",
+        "upgrades": {{ json.dumps(upgrades) }}	  {# a list of node Ids #}
+    }, 
+    "requestInfo": {
+        "requestId": "{{ requestId }}",
+        "sourceId": "{{ sourceId }}",
+        "optimizer": "{{ optimizer }}",
+        "numSolutions": "{{ numSolutions }}",
+        "callbackUrl" : "{{ callbackUrl }}"
+    }
+}
+
diff --git a/apps/templates/test_plc_nb_req_from_client.jsont b/apps/templates/test_plc_nb_req_from_client.jsont
new file mode 100755
index 0000000..998ffb3
--- /dev/null
+++ b/apps/templates/test_plc_nb_req_from_client.jsont
@@ -0,0 +1,52 @@
+{

+  "requestInfo": {

+        "requestId": "{{requestId}}",

+        "sourceId": "{{sourceId}}",

+        "optimizer": "{{optimizer}}",

+        "numSolutions": {{numSolutions}},

+        "timeout": {{timeout}},

+        "callbackUrl" : "{{callbackUrl}}"

+  },

+  "placementInfo": {

+      "modelInfo": {

+          "modelType": "{{modelType}}",

+          "modelInvariant": "{{modelInvariantId}}",

+          "modelVersionId": "{{modelVersionId}}",

+          "modelName": "{{modelName}}",

+          "modelVersion": "{{modelVersion}}",

+          "modelCustomizationId": "{{modelCustomizationId}}"

+      },

+      "subscriberInfo": {

+          "globalSubscriberId": "{{globalSubscriberId}}",

+          "subscriberName": "{{subscriberName}}",

+          "subscriberCommonSiteId": "{{subscriberCommonSiteId}}",

+          "ucpeHostName": "{{ucpeHostName}}"

+      },

+      "policyId": {{json.dumps(policyId)}},

+      "vnfInfo": {

+        "vnfType": "{{vnfType}}",

+        "vnfPartNumber": "{{vnfPartNumber}}",

+        "nominalThroughput": "{{nominalThroughput}}",

+        "vnfSoftwareVersion": "{{vnfSoftwareVersion}}",

+        "vnfManagementOption": "{{vnfManagementOption}}"

+      },

+      "vpnInfo": {

+        "vpnId": "{{vpnId}}",

+        "pvcId":  "{{pvcId}}"

+      },

+      "serviceInfo": {

+        "dhvServiceInfo": {

+          "serviceInstanceId": "{{serviceInstanceId}}",

+          "serviceType": "{{serviceType}}",

+          "e2evpnkey": "{{e2evpnkey}}",

+          "dhvSiteEffectiveTransportBandwidth": {{dhvSiteEffectiveTransportBandwidth}},

+          "dhvIPSecTransportBandwidthUp": {{dhvIPSecTransportBandwidthUp}},

+          "dhvIPSecTransportBandwidthDown": {{dhvIPSecTransportBandwidthDown}},

+          "dhvIPSec2TransportBandwidthUp": {{dhvIPSec2TransportBandwidthUp}},

+          "dhvIPSec2TransportBandwidthDown": {{dhvIPSec2TransportBandwidthDown}},

+          "dhvVendorName": "{{dhvVendorName}}"

+        }

+      },

+      "demandInfo": {{json.dumps(demandInfo)}}

+  }

+}