Merge "RAN Slice YANG Model and Associated Feature code"

3 files changed, 2394 insertions, 0 deletions

diff --git a/sdnr/northbound/ranSlice/model/pom.xml b/sdnr/northbound/ranSlice/model/pom.xml
new file mode 100644
index 000000000..84d3b5020
--- /dev/null
+++ b/sdnr/northbound/ranSlice/model/pom.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ ============LICENSE_START=======================================================
+  ~ ONAP : ccsdk features
+  ~ ================================================================================
+  ~ Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+  ~ ================================================================================
+  ~ 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.
+  ~ ============LICENSE_END=======================================================
+  ~
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onap.ccsdk.parent</groupId>
+        <artifactId>binding-parent</artifactId>
+        <version>2.0.1-SNAPSHOT</version>
+        <relativePath/>
+    </parent>
+
+    <groupId>org.onap.ccsdk.features.sdnr.northbound</groupId>
+    <artifactId>ranSlice-model</artifactId>
+    <version>1.0.1-SNAPSHOT</version>
+    <packaging>bundle</packaging>
+
+    <name>ccsdk-features :: sdnr-northbound :: ${project.artifactId}</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.binding.model.ietf</groupId>
+            <artifactId>rfc6991</artifactId>
+        </dependency>
+    </dependencies>
+
+
+</project>
diff --git a/sdnr/northbound/ranSlice/model/src/main/yang/ran-network@2020-08-06.yang b/sdnr/northbound/ranSlice/model/src/main/yang/ran-network@2020-08-06.yang
new file mode 100644
index 000000000..f45bd7cbe
--- /dev/null
+++ b/sdnr/northbound/ranSlice/model/src/main/yang/ran-network@2020-08-06.yang
@@ -0,0 +1,1880 @@
+module ran-network {
+  yang-version 1.1;
+  namespace "org:onap:ccsdk:features:sdnr:northbound:ran-network";
+  prefix rn;
+
+  import ietf-inet-types {
+    prefix inet;
+  }
+  import ietf-yang-types {
+    prefix yang;
+  }
+
+  organization
+    "Open Network Automation Platform - ONAP
+     <https://www.onap.org>";
+  contact
+    "Editors:
+       Sandeep Shah
+       <mailto:sandeep.shah@ibm.com>
+
+       Swaminathan Seetharaman
+       <mailto:swaminathan.seetharaman@wipro.com>";
+  description
+    "This module contains a collection of YANG definitions for managing
+     radio access network (RAN) managed network functions.
+     This YANG model is used solely for POC's in the ONAP and O-RAN communities
+
+     Copyright 2020 the O-RAN Alliance.
+
+     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.";
+
+  revision 2020-08-06 {
+    description
+      "RAN Network YANG Model for ONAP/O-RAN POC";
+    reference
+      "https://wiki.onap.org/display/DW/E2E+Network+Slicing+Use+Case+in+R7+Guilin";
+  }
+
+  typedef usageState {
+    type enumeration {
+      enum IDLE {
+        description
+          "TODO";
+      }
+      enum ACTIVE {
+        description
+          "TODO";
+      }
+      enum BUSY {
+        description
+          "TODO";
+      }
+    }
+    description
+      "It describes whether or not the resource is actively in
+       use at a specific instant, and if so, whether or not it has spare
+       capacity for additional users at that instant. The value is READ-ONLY.";
+    reference
+      "ITU T Recommendation X.731";
+  }
+
+  typedef Mcc {
+    type string;
+    description
+      "The mobile country code consists of three decimal digits,
+       The first digit of the mobile country code identifies the geographic
+       region (the digits 1 and 8 are not used):";
+    reference
+      "3GPP TS 23.003 subclause 2.2 and 12.1";
+  }
+
+  typedef Mnc {
+    type string;
+    description
+      "The mobile network code consists of two or three
+       decimal digits (for example: MNC of 001 is not the same as MNC of 01)";
+    reference
+      "3GPP TS 23.003 subclause 2.2 and 12.1";
+  }
+
+  typedef Nci {
+    type string;
+    description
+      "NR Cell Identity. The NCI shall be of fixed length of 36 bits
+       and shall be coded using full hexadecimal representation.
+       The exact coding of the NCI is the responsibility of each PLMN operator";
+    reference
+      "TS 23.003";
+  }
+
+  typedef OperationalState {
+    type enumeration {
+      enum DISABLED {
+        value 0;
+        description
+          "The resource is totally inoperable.";
+      }
+      enum ENABLED {
+        value 1;
+        description
+          "The resource is partially or fully operable.";
+      }
+    }
+    description
+      "TODO";
+    reference
+      "3GPP TS 28.625 and ITU-T X.731";
+  }
+
+  typedef AdministrativeState {
+    type enumeration {
+      enum LOCKED {
+        value 0;
+        description
+          "The resource is administratively prohibited from performing
+           services for its users.";
+      }
+      enum UNLOCKED {
+        value 1;
+        description
+          "The resource is administratively permitted to perform
+           services for its users. This is independent of its inherent
+           operability.";
+      }
+      enum SHUTTINGDOWN {
+        value 2;
+        description
+          "Use of the resource is administratively permitted to
+           existing instances of use only. While the system remains in
+           the shutting down state the manager or the managed element
+           may at any time cause the resource to transition to the
+           locked state.";
+      }
+    }
+    description
+      "TODO";
+    reference
+      "3GPP TS 28.625 and ITU-T X.731";
+  }
+
+  typedef AvailabilityStatus {
+    type enumeration {
+      enum IN_TEST {
+        description
+          "TODO";
+      }
+      enum FAILED {
+        description
+          "TODO";
+      }
+      enum POWER_OFF {
+        description
+          "TODO";
+      }
+      enum OFF_LINE {
+        description
+          "TODO";
+      }
+      enum OFF_DUTY {
+        description
+          "TODO";
+      }
+      enum DEPENDENCY {
+        description
+          "TODO";
+      }
+      enum DEGRADED {
+        description
+          "TODO";
+      }
+      enum NOT_INSTALLED {
+        description
+          "TODO";
+      }
+      enum LOG_FULL {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+    reference
+      "TODO";
+  }
+
+  typedef CellState {
+    type enumeration {
+      enum IDLE {
+        description
+          "TODO";
+      }
+      enum INACTIVE {
+        description
+          "TODO";
+      }
+      enum ACTIVE {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+    reference
+      "TODO";
+  }
+
+  typedef SNssai {
+    type uint32;
+    description
+      "Single Network Slice Selection Assistance Information.";
+    reference
+      "TS 23.501 clause 5.15.2";
+  }
+
+  typedef Sst {
+    type uint8;
+    description
+      "TODO";
+    reference
+      "TODO";
+  }
+
+  typedef Nrpci {
+    type uint32;
+    description
+      "Physical Cell Identity (PCI) of the NR cell.";
+    reference
+      "TS 36.211 subclause 6.11";
+  }
+
+  typedef Tac {
+    type int32 {
+      range "0..16777215";
+    }
+    description
+      "Tracking Area Code";
+    reference
+      "TS 23.003 clause 19.4.2.3";
+  }
+
+  typedef AmfRegionId {
+    type string;
+    description
+      "";
+    reference
+      "clause 2.10.1 of 3GPP TS 23.003";
+  }
+
+  typedef AmfSetId {
+    type string;
+    description
+      "";
+    reference
+      "clause 2.10.1 of 3GPP TS 23.003";
+  }
+
+  typedef AmfPointer {
+    type string;
+    description
+      "";
+    reference
+      "clause 2.10.1 of 3GPP TS 23.003";
+  }
+
+  // type definitions especially for core NFs
+
+  typedef NfType {
+    type enumeration {
+      enum NRF {
+        description
+          "TODO";
+      }
+      enum UDM {
+        description
+          "TODO";
+      }
+      enum AMF {
+        description
+          "TODO";
+      }
+      enum SMF {
+        description
+          "TODO";
+      }
+      enum AUSF {
+        description
+          "TODO";
+      }
+      enum NEF {
+        description
+          "TODO";
+      }
+      enum PCF {
+        description
+          "TODO";
+      }
+      enum SMSF {
+        description
+          "TODO";
+      }
+      enum NSSF {
+        description
+          "TODO";
+      }
+      enum UDR {
+        description
+          "TODO";
+      }
+      enum LMF {
+        description
+          "TODO";
+      }
+      enum GMLC {
+        description
+          "TODO";
+      }
+      enum 5G_EIR {
+        description
+          "TODO";
+      }
+      enum SEPP {
+        description
+          "TODO";
+      }
+      enum UPF {
+        description
+          "TODO";
+      }
+      enum N3IWF {
+        description
+          "TODO";
+      }
+      enum AF {
+        description
+          "TODO";
+      }
+      enum UDSF {
+        description
+          "TODO";
+      }
+      enum BSF {
+        description
+          "TODO";
+      }
+      enum CHF {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+  }
+
+  typedef NotificationType {
+    type enumeration {
+      enum N1_MESSAGES {
+        description
+          "TODO";
+      }
+      enum N2_INFORMATION {
+        description
+          "TODO";
+      }
+      enum LOCATION_NOTIFICATION {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+  }
+
+  typedef Load {
+    type uint8 {
+      range "0..100";
+    }
+    description
+      "Latest known load information of the NF, percentage ";
+  }
+
+  typedef N1MessageClass {
+    type enumeration {
+      enum 5GMM {
+        description
+          "TODO";
+      }
+      enum SM {
+        description
+          "TODO";
+      }
+      enum LPP {
+        description
+          "TODO";
+      }
+      enum SMS {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+  }
+
+  typedef N2InformationClass {
+    type enumeration {
+      enum SM {
+        description
+          "TODO";
+      }
+      enum NRPPA {
+        description
+          "TODO";
+      }
+      enum PWS {
+        description
+          "TODO";
+      }
+      enum PWS_BCAL {
+        description
+          "TODO";
+      }
+      enum PWS_RF {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+    reference
+      "TODO";
+  }
+
+  typedef NsiId {
+    type string;
+    description
+      "TODO";
+  }
+
+  typedef UeMobilityLevel {
+    type enumeration {
+      enum STATIONARY {
+        description
+          "TODO";
+      }
+      enum NOMADIC {
+        description
+          "TODO";
+      }
+      enum RESTRICTED_MOBILITY {
+        description
+          "TODO";
+      }
+      enum FULLY_MOBILITY {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+    reference
+      "TODO";
+  }
+
+  typedef ResourceSharingLevel {
+    type enumeration {
+      enum SHARED {
+        description
+          "TODO";
+      }
+      enum NOT_SHARED {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+    reference
+      "TODO";
+  }
+
+  typedef TxDirection {
+    type enumeration {
+      enum DL {
+        description
+          "TODO";
+      }
+      enum UL {
+        description
+          "TODO";
+      }
+      enum DL_AND_UL {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+    reference
+      "TODO";
+  }
+
+  typedef DistinguishedName { // TODO is this equivalent to TS 32.300 ?
+    type string;
+    description
+      "Represents the international standard for the representation
+       of Distinguished Name (RFC 4512).
+       The format of the DistinguishedName REGEX is:
+       {AttributeType = AttributeValue}
+
+       AttributeType consists of alphanumeric and hyphen (OIDs not allowed).
+       All other characters are restricted.
+       The Attribute value cannot contain control characters or the
+       following characters : \\ > < ; \" + , (Comma) and White space
+       The Attribute value can contain the following characters if they
+       are excaped : \\ > < ; \" + , (Comma) and White space
+       The Attribute value can contain control characters if its an escaped
+       double digit hex number.
+       Examples could be
+       UID=nobody@example.com,DC=example,DC=com
+       CN=John Smith,OU=Sales,O=ACME Limited,L=Moab,ST=Utah,C=US";
+    reference
+      "RFC 4512 Lightweight Directory Access Protocol (LDAP):
+             Directory Information Models";
+  } // recheck regexp it doesn't handle posix [:cntrl:]
+
+  typedef QOffsetRange {
+    type int8;
+    units "dB";
+    description
+      "TODO";
+    reference
+      "TODO";
+  }
+
+  typedef QuotaType {
+    type enumeration {
+      enum STRICT {
+        description
+          "TODO";
+      }
+      enum FLOAT {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+  }
+
+  typedef CyclicPrefix {
+    type enumeration {
+      enum NORMAL {
+        description
+          "TODO";
+      }
+      enum EXTENDED {
+        description
+          "TODO";
+      }
+    }
+    description
+      "TODO";
+  }
+
+  grouping PLMNInfo {
+    description
+      "The PLMNInfo data type define a S-NSSAI member in a specific PLMNId, and it have
+       two attributes PLMNId and S-NSSAI (PLMNId, S-NSSAI). The PLMNId represents a data type that
+       is comprised of mcc (mobile country code) and mnc (mobile network code), (See TS 23.003
+       subclause 2.2 and 12.1) and S-NSSAI represents an data type, that is comprised of an SST
+       (Slice/Service type) and an optional SD (Slice Differentiator) field, (See TS 23.003 [13]).";
+    uses PLMNId;
+    leaf sNssai {
+      type SNssai;
+      description
+        "TODO";
+    }
+  }
+
+  grouping ManagedNFProfile {
+    description
+      "Defines profile for managed NF";
+    reference
+      "3GPP TS 23.501";
+    leaf idx {
+      type uint32;
+      description
+        "TODO";
+      reference
+        "3GPP TS 23.501";
+    }
+    leaf nfInstanceID {
+      type yang:uuid;
+      config false;
+      mandatory true;
+      description
+        "This parameter defines profile for managed NF.
+         The format of the NF Instance ID shall be a
+         Universally Unique Identifier (UUID) version 4,
+         as described in IETF RFC 4122 ";
+    }
+    leaf-list nfType {
+      type NfType;
+      config false;
+      min-elements 1;
+      description
+        "Type of the Network Function";
+    }
+    leaf hostAddr {
+      type inet:host;
+      mandatory true;
+      description
+        "Host address of a NF";
+    }
+    leaf authzInfo {
+      type string;
+      description
+        "This parameter defines NF Specific Service authorization
+         information. It shall include the NF type (s) and NF realms/origins
+         allowed to consume NF Service(s) of NF Service Producer.";
+      reference
+        "See TS 23.501";
+    }
+    leaf location {
+      type string;
+      description
+        "Information about the location of the NF instance
+         (e.g. geographic location, data center) defined by operator";
+      reference
+        "TS 29.510";
+    }
+    leaf capacity {
+      type uint16;
+      mandatory true;
+      description
+        "This parameter defines static capacity information
+         in the range of 0-65535, expressed as a weight relative to other
+         NF instances of the same type; if capacity is also present in the
+         nfServiceList parameters, those will have precedence over this value.";
+      reference
+        "TS 29.510";
+    }
+    leaf nFSrvGroupId {
+      type string;
+      description
+        "This parameter defines identity of the group that is
+         served by the NF instance.
+         May be config false or true depending on the ManagedFunction.
+         Config=true for Udrinfo. Config=false for UdmInfo and AusfInfo.
+         Shall be present if ../nfType = UDM or AUSF or UDR. ";
+      reference
+        "TS 29.510";
+    }
+    leaf-list supportedDataSetIds {
+      type enumeration {
+        enum SUBSCRIPTION {
+          description
+            "TODO";
+        }
+        enum POLICY {
+          description
+            "TODO";
+        }
+        enum EXPOSURE {
+          description
+            "TODO";
+        }
+        enum APPLICATION {
+          description
+            "TODO";
+        }
+      }
+      description
+        "List of supported data sets in the UDR instance.
+         May be present if ../nfType = UDR";
+      reference
+        "TS 29.510";
+    }
+    leaf-list smfServingAreas {
+      type string;
+      description
+        "Defines the SMF service area(s) the UPF can serve.
+         Shall be present if ../nfType = UPF";
+      reference
+        "TS 29.510";
+    }
+    leaf priority {
+      type uint16;
+      description
+        "This parameter defines Priority (relative to other NFs
+         of the same type) in the range of 0-65535, to be used for NF selection;
+         lower values indicate a higher priority. If priority is also present
+         in the nfServiceList parameters, those will have precedence over
+         this value. Shall be present if ../nfType = AMF ";
+      reference
+        "TS 29.510";
+    }
+  }
+
+  grouping SAP {
+    description
+      "Service access point.";
+    reference
+      "TS 28.622";
+    leaf host {
+      type inet:host;
+      mandatory true;
+      description
+        "TODO";
+    }
+    leaf port {
+      type inet:port-number;
+      mandatory true;
+      description
+        "TODO";
+    }
+  }
+
+  grouping PLMNId {
+    description
+      "TODO";
+    reference
+      "TS 23.658";
+    leaf mcc {
+      type Mcc;
+      mandatory true;
+      description
+        "TODO";
+    }
+    leaf mnc {
+      type Mnc;
+      mandatory true;
+      description
+        "TODO";
+    }
+  }
+
+  grouping AmfIdentifier {
+    description
+      "The AMFI is constructed from an AMF Region ID,
+       an AMF Set ID and an AMF Pointer.
+       The AMF Region ID identifies the region,
+       the AMF Set ID uniquely identifies the AMF Set within the AMF Region, and
+       the AMF Pointer uniquely identifies the AMF within the AMF Set. ";
+    leaf amfRegionId {
+      type AmfRegionId;
+      description
+        "TODO";
+    }
+    leaf amfSetId {
+      type AmfSetId;
+      description
+        "TODO";
+    }
+    leaf amfPointer {
+      type AmfPointer;
+      description
+        "TODO";
+    }
+  }
+
+  grouping DefaultNotificationSubscription {
+    description
+      "TODO";
+    leaf notificationType {
+      type NotificationType;
+      description
+        "TODO";
+    }
+    leaf callbackUri {
+      type inet:uri;
+      description
+        "TODO";
+    }
+    leaf n1MessageClass {
+      type N1MessageClass;
+      description
+        "TODO";
+    }
+    leaf n2InformationClass {
+      type N2InformationClass;
+      description
+        "TODO";
+    }
+  }
+
+  grouping Ipv4AddressRange {
+    description
+      "TODO";
+    leaf start {
+      type inet:ipv4-address;
+      description
+        "TODO";
+    }
+    leaf end {
+      type inet:ipv4-address;
+      description
+        "TODO";
+    }
+  }
+
+  grouping Ipv6PrefixRange {
+    description
+      "TODO";
+    leaf start {
+      type inet:ipv6-prefix;
+      description
+        "TODO";
+    }
+    leaf end {
+      type inet:ipv6-prefix;
+      description
+        "TODO";
+    }
+  }
+
+  grouping AddressWithVlan {
+    description
+      "TODO";
+    leaf ipAddress {
+      type inet:ip-address;
+      description
+        "TODO";
+    }
+    leaf vlanId {
+      type uint16;
+      description
+        "TODO";
+    }
+  }
+
+  grouping ManagedElementGroup {
+    description
+      "Abstract class representing telecommunications resources.";
+    leaf dnPrefix {
+      type DistinguishedName;
+      description
+        "Provides naming context and splits the DN into a DN Prefix and Local DN";
+    }
+    leaf userLabel {
+      type string;
+      description
+        "A user-friendly name of this object.";
+    }
+    leaf locationName {
+      type string;
+      config false;
+      description
+        "The physical location (e.g. an address) of an entity";
+    }
+    leaf-list managedBy {
+      type DistinguishedName;
+      config false;
+      description
+        "Relates to the role played by ManagementSystem";
+    }
+    leaf-list managedElementTypeList {
+      type string;
+      config false;
+      min-elements 1;
+      description
+        "The type of functionality provided by the ManagedElement.
+         It may represent one ME functionality or a combination of
+         Two examples of allowed values are:
+         -  NodeB;
+         -  HLR, VLR.";
+    }
+  } // Managed Element grouping
+
+  grouping NearRTRICGroup {
+    description
+      "Abstract class representing Near RT RIC.";
+    leaf near-rt-ric-url {
+      type inet:uri;
+      description
+        "URL for the near RT RIC. String representing IP addr:port";
+    }
+    leaf dnPrefix {
+      type DistinguishedName;
+      description
+        "Provides naming context and splits the DN into a DN Prefix and Local DN";
+    }
+    leaf userLabel {
+      type string;
+      description
+        "A user-friendly name of this object.";
+    }
+    leaf locationName {
+      type string;
+      config false;
+      description
+        "The physical location (e.g. an address) of an entity";
+    }
+    leaf-list managedBy {
+      type DistinguishedName;
+      config false;
+      description
+        "Relates to the role played by ManagementSystem";
+    }
+  } // Near RT RIC grouping
+
+  grouping GNBDUFunctionGroup {
+    description
+      "Represents the GNBDUFunction IOC.";
+    reference
+      "3GPP TS 28.541";
+    leaf gNBId {
+      type int64 {
+        range "0..4294967295";
+      }
+      config false;
+      mandatory true;
+      description
+        "Identifies a gNB within a PLMN. The gNB Identifier (gNB ID)
+         is part of the NR Cell Identifier (NCI) of the gNB cells.";
+      reference
+        "gNB ID in 3GPP TS 38.300, Global gNB ID in 3GPP TS 38.413";
+    }
+    leaf gNBIdLength {
+      type int32 {
+        range "22..32";
+      }
+      mandatory true;
+      description
+        "Indicates the number of bits for encoding the gNB ID.";
+      reference
+        "gNB ID in 3GPP TS 38.300, Global gNB ID in 3GPP TS 38.413";
+    }
+    leaf gNBDUId {
+      type int64 {
+        range "0..68719476735";
+      }
+      mandatory true;
+      description
+        "Uniquely identifies the DU at least within a gNB.";
+      reference
+        "3GPP TS 38.473";
+    }
+    leaf gNBDUName {
+      type string {
+        length "1..150";
+      }
+      description
+        "Identifies the Distributed Unit of an NR node";
+      reference
+        "3GPP TS 38.473";
+    }
+    leaf aggressorSetID {
+      type uint32 {
+        range "0..4194304";
+      }
+      config false;
+      description
+        "Indicates the associated aggressor gNB Set ID of the cell
+         Valid when Remote Interference Management function is supported.";
+      reference
+        "3GPP TS 38.211 subclause 7.4.1.6";
+    }
+    leaf victimSetID {
+      type uint32 {
+        range "0..4194304";
+      }
+      config false;
+      description
+        "Indicates the associated victim gNB Set ID of the cell
+         Valid when Remote Interference Management function is supported.";
+      reference
+        "3GPP TS 38.211 subclause 7.4.1.6";
+    }
+  }
+
+  grouping NRCellDUGroup {
+    description
+      "Represents the NRCellDU IOC.";
+    reference
+      "3GPP TS 28.541";
+    uses RRMPolicy_Group;
+    leaf cellLocalId {
+      type int32 {
+        range "0..16383";
+      }
+      mandatory true;
+      description
+        "Identifies an NR cell of a gNB. Together with the
+         corresponding gNB identifier in forms the NR Cell Identity (NCI).";
+      reference
+        "NCI in 3GPP TS 38.300";
+    }
+    leaf operationalState {
+      type OperationalState;
+      config false;
+      description
+        "Operational state of the NRCellDU instance. Indicates
+         whether the resource is installed and partially or fully operable
+         (ENABLED) or the resource is not installed or not operable
+         (DISABLED).";
+    }
+    leaf administrativeState {
+      type AdministrativeState;
+      default "LOCKED";
+      description
+        "Administrative state of the NRCellDU. Indicates the
+         permission to use or prohibition against using the cell, imposed
+         through the OAM services.";
+    }
+    leaf cellState {
+      type CellState;
+      config false;
+      description
+        "Cell state of the NRCellDU instance. Indicates whether the
+         cell is not currently in use (IDLE), or currently in use but not
+         configured to carry traffic (INACTIVE), or currently in use and is
+         configured to carry traffic (ACTIVE).";
+    }
+    list pLMNInfoList {
+      key "mcc mnc";
+      min-elements 1;
+      description
+        "The PLMNInfoList is a list of PLMNInfo data type. It defines which PLMNs that
+         can be served by the NR cell, and which S-NSSAIs that can be supported by the NR cell for
+         corresponding PLMN in case of network slicing feature is supported. The plMNId of the first
+         entry of the list is the PLMNId used to construct the nCGI for the NR cell.";
+      uses PLMNInfo;
+    }
+    leaf nRPCI {
+      type int32 {
+        range "0..1007";
+      }
+      mandatory true;
+      description
+        "The Physical Cell Identity (PCI) of the NR cell.";
+      reference
+        "3GPP TS 36.211";
+    }
+    leaf nRTAC {
+      type Tac;
+      description
+        "The common 5GS Tracking Area Code for the PLMNs.";
+      reference
+        "3GPP TS 23.003, 3GPP TS 38.473";
+    }
+    leaf arfcnDL {
+      type int32;
+      mandatory true;
+      description
+        "NR Absolute Radio Frequency Channel Number (NR-ARFCN) for
+         downlink.";
+      reference
+        "3GPP TS 38.104";
+    }
+    leaf arfcnUL {
+      type int32;
+      description
+        "NR Absolute Radio Frequency Channel Number (NR-ARFCN) for
+         uplink.";
+      reference
+        "3GPP TS 38.104";
+    }
+    leaf arfcnSUL {
+      type int32;
+      description
+        "NR Absolute Radio Frequency Channel Number (NR-ARFCN) for
+         supplementary uplink.";
+      reference
+        "3GPP TS 38.104";
+    }
+    leaf bSChannelBwDL {
+      type int32;
+      units "MHz";
+      description
+        "Base station channel bandwidth for downlink.";
+      reference
+        "3GPP TS 38.104";
+    }
+    leaf bSChannelBwUL {
+      type int32;
+      units "MHz";
+      description
+        "Base station channel bandwidth for uplink.";
+      reference
+        "3GPP TS 38.104";
+    }
+    leaf bSChannelBwSUL {
+      type int32;
+      units "MHz";
+      description
+        "Base station channel bandwidth for supplementary uplink.";
+      reference
+        "3GPP TS 38.104";
+    }
+    leaf ssbFrequency {
+      type int32 {
+        range "0..3279165";
+      }
+      mandatory true;
+      description
+        "Indicates cell defining SSB frequency domain position.
+         Frequency (in terms of NR-ARFCN) of the cell defining SSB transmission.
+         The frequency identifies the position of resource element RE=#0
+         (subcarrier #0) of resource block RB#10 of the SS block. The frequency
+         must be positioned on the NR global frequency raster, as defined in
+         3GPP TS 38.101, and within bSChannelBwDL.";
+    }
+    leaf ssbPeriodicity {
+      type int32 {
+        range "5 | 10 | 20 | 40 | 80 | 160";
+      }
+      units "subframes (ms)";
+      mandatory true;
+      description
+        "Indicates cell defined SSB periodicity. The SSB periodicity
+         is used for the rate matching purpose.";
+    }
+    leaf ssbSubCarrierSpacing {
+      type int32 {
+        range "15 | 30 | 120 | 240";
+      }
+      units "kHz";
+      mandatory true;
+      description
+        "Subcarrier spacing of SSB. Only the values 15 kHz or 30 kHz
+         (< 6 GHz), 120 kHz or 240 kHz (> 6 GHz) are applicable.";
+      reference
+        "3GPP TS 38.211";
+    }
+    leaf ssbOffset {
+      type int32 {
+        range "0..159";
+      }
+      units "subframes (ms)";
+      mandatory true;
+      description
+        "Indicates cell defining SSB time domain position. Defined
+         as the offset of the measurement window, in which to receive SS/PBCH
+         blocks, where allowed values depend on the ssbPeriodicity
+         (ssbOffset < ssbPeriodicity).";
+    }
+    leaf ssbDuration {
+      type int32 {
+        range "1..5";
+      }
+      units "subframes (ms)";
+      mandatory true;
+      description
+        "Duration of the measurement window in which to receive
+         SS/PBCH blocks.";
+      reference
+        "3GPP TS 38.213";
+    }
+    leaf-list nRSectorCarrierRef {
+      type DistinguishedName;
+      min-elements 1;
+      description
+        "Reference to corresponding NRSectorCarrier instance.";
+    }
+    leaf-list bWPRef {
+      type DistinguishedName;
+      // min-elements 0;
+      description
+        "Reference to corresponding BWP instance.";
+    }
+    leaf-list nRFrequencyRef {
+      type DistinguishedName;
+      // min-elements 0;
+      description
+        "Reference to corresponding NRFrequency instance.";
+    }
+  } // grouping
+
+  grouping rRMPolicyMemberGroup {
+    description
+      "TODO";
+    uses PLMNId;
+    leaf sNSSAI {
+      type SNssai;
+      description
+        "This data type represents an RRM Policy member that will be part of a
+         rRMPolicyMemberList. A RRMPolicyMember is defined by its pLMNId and sNSSAI (S-NSSAI).
+         The members in a rRMPolicyMemberList are assigned a specific amount of RRM resources
+         based on settings in RRMPolicy.";
+    }
+  }
+
+  grouping RRMPolicy_Group {
+    description
+      "This IOC represents the properties of an abstract RRMPolicy. The RRMPolicy_ IOC
+       needs to be subclassed to be instantiated. It defines two attributes apart from those
+       inherited from Top IOC, the resourceType attribute defines type of resource (PRB, RRC
+       connected users, DRB usage etc.) and the rRMPolicyMemberList attribute defines the
+       RRMPolicyMember(s)that are subject to this policy. An RRM resource (defined in resourceType
+       attribute) is located in NRCellDU, NRCellCU, GNBDUFunction, GNBCUCPFunction or in
+       GNBCUUPFunction. The RRMPolicyRatio IOC is one realization of a RRMPolicy_ IOC, see the
+       inheritance in TS 28.541 Figure 4.2.1.2-1. This RRM framework allows adding new policies,
+       both standardized (like RRMPolicyRatio) or as vendor specific, by inheriting from the
+       abstract RRMPolicy_ IOC.";
+    leaf resourceType {
+      type string;
+      mandatory true;
+      description
+        "The resourceType attribute defines type of resource (PRB, RRC connected users,
+         DRB usage etc.) that is subject to policy. Valid values are 'PRB', 'RRC' or 'DRB'";
+    }
+    list rRMPolicyMemberList {
+      key "idx";
+      min-elements 1;
+      description
+        "It represents the list of RRMPolicyMember (s) that the managed object
+         is supporting. A RRMPolicyMember <<dataType>> include the PLMNId <<dataType>>
+         and S-NSSAI <<dataType>>.";
+      leaf idx {
+        type uint32;
+        description
+          "TODO";
+      }
+      uses rRMPolicyMemberGroup;
+    }
+  } // grouping
+
+  grouping GNBCUUPFunctionGroup {
+    description
+      "Represents the GNBCUUPFunction IOC.";
+    reference
+      "3GPP TS 28.541";
+    uses RRMPolicy_Group;
+    leaf gNBCUUPId {
+      type uint64 {
+        range "0..68719476735";
+      }
+      config false;
+      mandatory true;
+      description
+        "Identifies the gNB-CU-UP at least within a gNB-CU-CP";
+      reference
+        "'gNB-CU-UP ID' in subclause 9.3.1.15 of 3GPP TS 38.463";
+    }
+    leaf gNBId {
+      type int32 {
+        range "22..32";
+      }
+      mandatory true;
+      description
+        "Indicates the number of bits for encoding the gNB Id.";
+      reference
+        "gNB Id in 3GPP TS 38.300, Global gNB ID in 3GPP TS 38.413";
+    }
+    list pLMNInfoList {
+      key "mcc mnc";
+      description
+        "The PLMNInfoList is a list of PLMNInfo data type. It defines which PLMNs that
+         can be served by the GNBCUUPFunction and which S-NSSAIs can be supported by the
+         GNBCUUPFunction for corresponding PLMN in case of network slicing feature is supported";
+      uses PLMNInfo;
+    }
+  } // grouping
+
+  grouping GNBCUCPFunctionGroup {
+    description
+      "Represents the GNBCUCPFunction IOC.";
+    reference
+      "3GPP TS 28.541";
+    uses RRMPolicy_Group;
+    leaf gNBId {
+      type int64 {
+        range "0..4294967295";
+      }
+      mandatory true;
+      description
+        "Identifies a gNB within a PLMN. The gNB Identifier (gNB ID)
+         is part of the NR Cell Identifier (NCI) of the gNB cells.";
+      reference
+        "gNB ID in 3GPP TS 38.300, Global gNB ID in 3GPP TS 38.413";
+    }
+    leaf gNBIdLength {
+      type int32 {
+        range "22..32";
+      }
+      mandatory true;
+      description
+        "Indicates the number of bits for encoding the gNB ID.";
+      reference
+        "gNB ID in 3GPP TS 38.300, Global gNB ID in 3GPP TS 38.413";
+    }
+    leaf gNBCUName {
+      type string {
+        length "1..150";
+      }
+      mandatory true;
+      description
+        "Identifies the Central Unit of an gNB.";
+      reference
+        "3GPP TS 38.473";
+    }
+    list pLMNId {
+      key "mcc mnc";
+      min-elements 1;
+      max-elements 1;
+      description
+        "The PLMN identifier to be used as part of the global RAN
+         node identity.";
+      uses PLMNId;
+    }
+    leaf-list x2BlackList {
+      type DistinguishedName;
+      description
+        "List of nodes to which X2 connections are prohibited.";
+    }
+    leaf-list x2WhiteList {
+      type DistinguishedName;
+      description
+        "List of nodes to which X2 connections are enforced.";
+    }
+    leaf-list xnBlackList {
+      type DistinguishedName;
+      description
+        "List of nodes to which Xn connections are prohibited.";
+    }
+    leaf-list xnWhiteList {
+      type DistinguishedName;
+      description
+        "List of nodes to which X2 connections are enforced.";
+    }
+    leaf-list x2XnHOBlackList {
+      type DistinguishedName;
+      description
+        "List of nodes to which handovers over X2 or Xn are prohibited.";
+    }
+  } // grouping
+
+  grouping NRCellCUGroup {
+    description
+      "Represents the NRCellCU IOC.";
+    reference
+      "3GPP TS 28.541";
+    leaf cellLocalId {
+      type int32 {
+        range "0..16383";
+      }
+      mandatory true;
+      description
+        "Identifies an NR cell of a gNB. Together with corresponding
+         gNB ID it forms the NR Cell Identifier (NCI).";
+    }
+    list pLMNInfoList {
+      key "mcc mnc";
+      min-elements 1;
+      description
+        "The PLMNInfoList is a list of PLMNInfo data type. It defines which PLMNs
+         that can be served by the NR cell, and which S-NSSAIs that can be supported by the
+         NR cell for corresponding PLMN in case of network slicing feature is supported.";
+      uses PLMNInfo;
+      // Note: Whether the attribute pLMNId in the pLMNInfo can be writable depends on the implementation.
+    }
+    leaf nRFrequencyRef {
+      type DistinguishedName;
+      config false;
+      description
+        "Reference to corresponding NRFrequency instance.";
+    }
+  } // grouping
+
+  grouping NRCellRelationGroup {
+    description
+      "Represents the NRCellRelation IOC.";
+    reference
+      "3GPP TS 28.541";
+    leaf nRTCI {
+      type uint64;
+      description
+        "Target NR Cell Identifier. It consists of NR Cell
+         Identifier (NCI) and Physical Cell Identifier of the target NR cell
+         (nRPCI).";
+    }
+    container cellIndividualOffset {
+      description
+        "A set of offset values for the neighbour cell. Used when
+         UE is in connected mode. Defined for rsrpOffsetSSB, rsrqOffsetSSB,
+         sinrOffsetSSB, rsrpOffsetCSI-RS, rsrqOffsetCSI-RS and
+         sinrOffsetCSI-RS.";
+      reference
+        "cellIndividualOffset in MeasObjectNR in 3GPP TS 38.331";
+      leaf rsrpOffsetSsb {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of rsrpOffsetSSB.";
+      }
+      leaf rsrqOffsetSsb {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of rsrqOffsetSSB.";
+      }
+      leaf sinrOffsetSsb {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of sinrOffsetSSB.";
+      }
+      leaf rsrpOffsetCsiRs {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of rsrpOffsetCSI-RS.";
+      }
+      leaf rsrqOffsetCsiRs {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of rsrqOffsetCSI-RS.";
+      }
+      leaf sinrOffsetCsiRs {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of sinrOffsetCSI-RS.";
+      }
+    }
+    leaf nRFreqRelationRef {
+      type DistinguishedName;
+      mandatory true;
+      description
+        "Reference to a corresponding NRFreqRelation instance.";
+    }
+    leaf adjacentNRCellRef {
+      type DistinguishedName;
+      mandatory true;
+      description
+        "Reference to an adjacent NR cell (NRCellCU or
+         ExternalNRCellCU).";
+    }
+    leaf isRemoveAllowed {
+      type boolean;
+      default "true";
+      description
+        "True if the ANR function in the node is allowed to remove this relation.";
+    }
+    leaf isHOAllowed {
+      type boolean;
+      default "true";
+      description
+        "True if handovers are allowed over this relation.";
+    }
+  } // grouping
+
+  grouping NRFreqRelationGroup {
+    description
+      "Represents the NRFreqRelation IOC.";
+    reference
+      "3GPP TS 28.541";
+    container offsetMO {
+      description
+        "A set of offset values applicable to all measured cells
+         with reference signal(s) indicated in corresponding MeasObjectNR. It
+         is used to indicate a cell, beam or measurement object specific offset
+         to be applied when evaluating candidates for cell re-selection or when
+         evaluating triggering conditions for measurement reporting. It is
+         defined for rsrpOffsetSSB, rsrqOffsetSSB, sinrOffsetSSB,
+         rsrpOffsetCSI-RS, rsrqOffsetCSI-RS and sinrOffsetCSI-RS.";
+      reference
+        "offsetMO in MeasObjectNR in 3GPP TS 38.331";
+      leaf rsrpOffsetSsb {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of rsrpOffsetSSB.";
+      }
+      leaf rsrqOffsetSsb {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of rsrqOffsetSSB.";
+      }
+      leaf sinrOffsetSsb {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of sinrOffsetSSB.";
+      }
+      leaf rsrpOffsetCsiRs {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of rsrpOffsetCSI-RS.";
+      }
+      leaf rsrqOffsetCsiRs {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of rsrqOffsetCSI-RS.";
+      }
+      leaf sinrOffsetCsiRs {
+        type QOffsetRange;
+        default "0";
+        description
+          "Offset value of sinrOffsetCSI-RS.";
+      }
+    }
+    leaf-list blackListEntry {
+      type uint16 {
+        range "0..1007";
+      }
+      // min-elements 0;
+      description
+        "A list of Physical Cell Identities (PCIs) that are
+         blacklisted in NR measurements.";
+      reference
+        "3GPP TS 38.331";
+    }
+    leaf-list blackListEntryIdleMode {
+      type uint16 {
+        range "0..1007";
+      }
+      // min-elements 0;
+      description
+        "A list of Physical Cell Identities (PCIs) that are
+         blacklisted in SIB4 and SIB5.";
+    }
+    leaf cellReselectionPriority {
+      type uint32;
+      default "0";
+      description
+        "The absolute priority of the carrier frequency used by the
+         cell reselection procedure. Value 0 means lowest priority. The value
+         must not already used by other RAT, i.e. equal priorities between RATs
+         are not supported. The UE behaviour when no value is entered is
+         specified in subclause 5.2.4.1 of 3GPP TS 38.304.";
+      reference
+        "CellReselectionPriority in 3GPP TS 38.331, priority in
+         3GPP TS 38.304";
+    }
+    leaf cellReselectionSubPriority {
+      type uint8 {
+        range "2 | 4 | 6 | 8";
+      }
+      units "0.1";
+      description
+        "Indicates a fractional value to be added to the value of
+         cellReselectionPriority to obtain the absolute priority of the
+         concerned carrier frequency for E-UTRA and NR.";
+      reference
+        "3GPP TS 38.331";
+    }
+    leaf pMax {
+      type int32 {
+        range "-30..33";
+      }
+      units "dBm";
+      // mandatory false;
+      description
+        "Used for calculation of the parameter Pcompensation
+         (defined in 3GPP TS 38.304), at cell reselection to a cell.";
+      reference
+        "PEMAX in 3GPP TS 38.101";
+    }
+    leaf qOffsetFreq {
+      type QOffsetRange;
+      default "0";
+      // mandatory false;
+      description
+        "The frequency specific offset applied when evaluating
+         candidates for cell reselection.";
+    }
+    leaf qQualMin {
+      type int32 {
+        range "-34..-3 | 0";
+      }
+      units "dB";
+      default "0";
+      description
+        "Indicates the minimum required quality level in the cell.
+         Value 0 means that it is not sent and UE applies in such case the
+         (default) value of negative infinity for Qqualmin. Sent in SIB3 or
+         SIB5.";
+      reference
+        "3GPP TS 38.304";
+    }
+    leaf qRxLevMin {
+      type int32 {
+        range "-140..-44";
+      }
+      units "dBm";
+      mandatory true;
+      description
+        "Indicates the required minimum received Reference Symbol
+         Received Power (RSRP) level in the NR frequency for cell reselection.
+         Broadcast in SIB3 or SIB5, depending on whether the related frequency
+         is intra- or inter-frequency. Resolution is 2.";
+      reference
+        "3GPP TS 38.304";
+    }
+    leaf threshXHighP {
+      type int32 {
+        range "0..62";
+      }
+      units "dB";
+      mandatory true;
+      description
+        "Specifies the Srxlev threshold used by the UE when
+         reselecting towards a higher priority RAT/frequency than the current
+         serving frequency. Each frequency of NR and E-UTRAN might have a
+         specific threshold. Resolution is 2.";
+      reference
+        "ThreshX, HighP in 3GPP TS 38.304";
+    }
+    leaf threshXHighQ {
+      type int32 {
+        range "0..31";
+      }
+      units "dB";
+      mandatory true;
+      description
+        "Specifies the Squal threshold used by the UE when
+         reselecting towards a higher priority RAT/frequency than the current
+         serving frequency. Each frequency of NR and E-UTRAN might have a
+         specific threshold.";
+      reference
+        "ThreshX, HighQ in 3GPP TS 38.304";
+    }
+    leaf threshXLowP {
+      type int32 {
+        range "0..62";
+      }
+      units "dB";
+      mandatory true;
+      description
+        "Specifies the Srxlev threshold used by the UE when
+         reselecting towards a lower priority RAT/frequency than the current
+         serving frequency. Each frequency of NR and E-UTRAN might have a
+         specific threshold. Resolution is 2.";
+      reference
+        "ThreshX, LowP in 3GPP TS 38.304";
+    }
+    leaf threshXLowQ {
+      type int32 {
+        range "0..31";
+      }
+      units "dB";
+      mandatory true;
+      description
+        "Specifies the Squal threshold used by the UE when
+         reselecting towards a lower priority RAT/frequency than the current
+         serving frequency. Each frequency of NR and E-UTRAN might have a
+         specific threshold.";
+      reference
+        "ThreshX, LowQ in 3GPP TS 38.304";
+    }
+    leaf tReselectionNR {
+      type int32 {
+        range "0..7";
+      }
+      units "s";
+      mandatory true;
+      description
+        "Cell reselection timer for NR.";
+      reference
+        "TreselectionRAT for NR in 3GPP TS 38.331";
+    }
+    leaf tReselectionNRSfHigh {
+      type uint8 {
+        range "25 | 50 | 75 | 100";
+      }
+      units "%";
+      mandatory true;
+      description
+        "The attribute tReselectionNr (parameter TreselectionNR in
+         3GPP TS 38.304) is multiplied with this scaling factor if the UE is
+         in high mobility state.";
+      reference
+        "Speed dependent ScalingFactor for TreselectionNR for high
+         mobility state in 3GPP TS 38.304";
+    }
+    leaf tReselectionNRSfMedium {
+      type uint8 {
+        range "25 | 50 | 75 | 100";
+      }
+      units "%";
+      mandatory true;
+      description
+        "The attribute tReselectionNr (parameter TreselectionNR in
+         3GPP TS 38.304) multiplied with this scaling factor if the UE is in
+         medium mobility state.";
+      reference
+        "Speed dependent ScalingFactor for TreselectionNR for medium
+         mobility state in 3GPP TS 38.304";
+    }
+    leaf nRFrequencyRef {
+      type DistinguishedName;
+      mandatory true;
+      description
+        "Reference to a corresponding NRFrequency instance.";
+    }
+  } // grouping
+
+  grouping ManagedNFServiceGroup {
+    description
+      "A ManagedNFService representing a Network Function (NF) service.";
+    reference
+      "Clause 7 of 3GPP TS 23.501.";
+    leaf userLabel {
+      type string;
+      description
+        "A user-friendly (and user assignable) name of this object.";
+    }
+    list sAP {
+      key "host port";
+      min-elements 1;
+      max-elements 1;
+      description
+        "The service access point of the managed NF service instance";
+      uses SAP;
+    }
+  } // grouping
+
+  // container for RAN Network
+
+  container ran-network {
+    description
+      "Represents telecommunications equipment or
+       TMN entities within the telecommunications network providing support
+       and/or service to the subscriber.";
+    list NearRTRIC {
+      key "idNearRTRIC"; // list GNBCUCPFunction
+      description
+        "A list of expected near-real-time RIC O-RAN managed functions.";
+      leaf idNearRTRIC {
+        type string;
+        description
+          "Key leaf (namingAttribute) for a class/list.
+           Should be used as a key leaf for lists representing
+           stage 2 classes.";
+        reference
+          "3GPP TS 32.300 Name convention for managed objects";
+      }
+      container attributes {
+        description
+          "TODO";
+        uses NearRTRICGroup;
+      }
+      list GNBDUFunction {
+        key "idGNBDUFunction";
+        description
+          "Represents the logical function DU of gNB or en-gNB.";
+        reference
+          "3GPP TS 28.541";
+        leaf idGNBDUFunction {
+          type string;
+          description
+            "TODO";
+        }
+        container attributes {
+          description
+            "TODO";
+          uses GNBDUFunctionGroup;
+          uses ManagedNFServiceGroup;
+        }
+        list NRCellDU {
+          key "idNRCellDU";
+          description
+            "Represents the information of a cell known by DU.";
+          reference
+            "3GPP TS 28.541";
+          leaf idNRCellDU {
+            type string;
+            description
+              "TODO";
+          }
+          container attributes {
+            description
+              "TODO";
+            uses NRCellDUGroup;
+            uses ManagedNFServiceGroup;
+          }
+        } // list NRCellDU
+      } // list GNBDUFunction
+      list GNBCUUPFunction {
+        key "idGNBCUUPFunction";
+        description
+          "TODO";
+        leaf idGNBCUUPFunction {
+          type string;
+          description
+            "TODO";
+        }
+        container attributes {
+          description
+            "TODO";
+          uses GNBCUUPFunctionGroup;
+          uses ManagedNFServiceGroup;
+        }
+      } // list GNBCUUPFunction
+      list GNBCUCPFunction {
+        key "idGNBCUCPFunction"; // list NRCellCU
+        description
+          "Represents the logical function CU-CP of gNB and en-gNB.";
+        reference
+          "3GPP TS 28.541";
+        leaf idGNBCUCPFunction {
+          type string;
+          description
+            "TODO";
+        }
+        container attributes {
+          description
+            "TODO";
+          uses GNBCUCPFunctionGroup;
+          uses ManagedNFServiceGroup;
+        }
+        list NRCellCU {
+          key "idNRCellCU";
+          description
+            "Represents the information required by CU that is
+             responsible for the management of inter-cell mobility and neighbour
+             relations via ANR.";
+          reference
+            "3GPP TS 28.541";
+          leaf idNRCellCU {
+            type string;
+            description
+              "TODO";
+          }
+          container attributes {
+            description
+              "TODO";
+            uses NRCellCUGroup;
+            uses ManagedNFServiceGroup;
+          }
+          list NRCellRelation {
+            key "idNRCellRelation";
+            description
+              "Represents a neighbour cell relation from a source cell
+               to a target cell, where the target cell is an NRCellCU or
+               ExternalNRCellCU instance.";
+            reference
+              "3GPP TS 28.541";
+            leaf idNRCellRelation {
+              type string;
+              description
+                "TODO";
+            }
+            container attributes {
+              description
+                "TODO";
+              uses NRCellRelationGroup;
+              uses ManagedNFServiceGroup;
+            }
+          } // list NRCellRelation
+          list NRFreqRelation {
+            key "idNRFreqRelation";
+            description
+              "Together with the target NRFrequency, it represents the
+               frequency properties applicable to the referencing NRFreqRelation.";
+            reference
+              "3GPP TS 28.541";
+            leaf idNRFreqRelation {
+              type string;
+              description
+                "TODO";
+            }
+            container attributes {
+              description
+                "TODO";
+              uses NRFreqRelationGroup;
+              uses ManagedNFServiceGroup;
+            }
+          } // list NRFreqRelation
+        }
+      }
+    } // list ManagedElement
+  }
+}
diff --git a/sdnr/northbound/ranSlice/model/src/main/yang/ran-slice-api@2020-08-06.yang b/sdnr/northbound/ranSlice/model/src/main/yang/ran-slice-api@2020-08-06.yang
new file mode 100644
index 000000000..3253a015c
--- /dev/null
+++ b/sdnr/northbound/ranSlice/model/src/main/yang/ran-slice-api@2020-08-06.yang
@@ -0,0 +1,466 @@
+/*
+ * Yang model for the RANSLice Northbound API's
+ *
+ */
+module ran-slice-api {
+  yang-version 1.1;
+  namespace "org:onap:ccsdk";
+  prefix rs;
+
+  organization
+    "Open Network Automation Platform - ONAP
+     <https://www.onap.org>";
+  contact
+    "Editors:
+       Sandeep Shah
+       <mailto:sandeep.shah@ibm.com>
+
+       Swaminathan Seetharaman
+       <mailto:swaminathan.seetharaman@wipro.com>";
+  description
+    "This module defines the services and request/response requirements for
+     RAN Slice Management.
+     This YANG model is used solely for POC's in the ONAP and O-RAN communities
+
+     Copyright 2020 the O-RAN Alliance.
+
+     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.";
+
+  revision 2020-08-06 {
+    description
+      "RANSlice API YANG Model";
+    reference
+      "https://wiki.onap.org/display/DW/E2E+Network+Slicing+Use+Case+in+R7+Guilin";
+  }
+
+    /**********************************************************************************
+     * Data type definitions
+     *
+     * The following data type definitions are used to define common data structures,
+     * define constraints, or to impart special meanings to data objects related to the
+     * SDN-R controller functions.
+     **********************************************************************************/
+
+  typedef ZULU {
+    type string {
+      length "16..28";
+      pattern '[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}T[0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2}.[0-9]{1,6}Z';
+    }
+    description
+      "Define a common definition of a time stamp (expressed as a formatted
+       string) as follows yyyy-MM-ddTHH:mm:ss.SSSSSSSSZ";
+  }
+
+  typedef payload {
+    type string;
+    description
+      "The payload can be any valid JSON string value. Json escape characters
+       need to be added when required to include an inner json within the
+       payload to make it a valid json string value";
+  }
+
+  typedef action {
+    type enumeration {
+      enum allocate {
+        description
+          "TODO";
+      }
+      enum modify {
+        description
+          "TODO";
+      }
+      enum modify-allocate {
+        description
+          "TODO";
+      }
+      enum modify-deallocate {
+        description
+          "TODO";
+      }
+      enum deallocate {
+        description
+          "TODO";
+      }
+      enum activate {
+        description
+          "TODO";
+      }
+      enum deactivate {
+        description
+          "TODO";
+      }
+      enum reconfigure {
+        description
+          "TODO";
+      }
+    }
+    description
+      "The action to be taken by SDN-R for invoked RPC.";
+  }
+
+  typedef ranSlice-action-status {
+    type enumeration {
+      enum IN_PROGRESS {
+        description
+          "TODO";
+        }
+      enum SUCCESSFUL {
+        description
+          "TODO";
+        }
+      enum FAILED {
+        description
+          "TODO";
+        }
+      enum NOT_FOUND {
+        description
+          "TODO";
+        }
+      enum ABORTED {
+        description
+          "TODO";
+        }
+      enum MULTIPLE_REQUESTS_FOUND {
+        description
+          "TODO";
+        }
+    }
+    description
+      "The status of the requested RANSlice action";
+  }
+
+  /**********************************************************************************
+   * All requests will include this standard header
+   *
+   * The standard request header is used to define a correlation identification for
+   * the request that is returned on all responses.  This correlation identifier
+   * (called the service-request-id) is meaningful to the caller and is included on
+   * all responses from the services.
+   **********************************************************************************/
+
+  /**********************************************************************************
+   * All responses will include this standard header
+   *
+   * The standard response header includes the time of completion as well as a
+   * success|failure indication
+   **********************************************************************************/
+
+  grouping common-header {
+    description
+      "A common header for all SDN-R requests";
+    container common-header {
+      description
+        "A common header for all SDN-R requests";
+      leaf timestamp {
+        type ZULU;
+        mandatory true;
+        description
+          "timestamp is in ISO 8601 timestamp format ZULU offset";
+      }
+      leaf api-ver {
+        type string;
+        mandatory true;
+        description
+          "api-ver is the API version identifier. A given release of APPC
+              should support all previous versions of APPC API (correlate with
+              general requirements)";
+      }
+      leaf originator-id {
+        type string;
+        mandatory true;
+        description
+          "originator-id an identifier of the calling system which can be
+              used addressing purposes, i.e. returning asynchronous response
+              to the proper destination over DMaaP (especially in case of multiple
+              consumers of SDN-R APIs)";
+      }
+      leaf request-id {
+        type string;
+        mandatory true;
+        description
+          "UUID for the request ID. An OSS/BSS identifier for the request
+              that caused the current action. Multiple API calls may be made
+              with the same request-id The request-id shall be recorded throughout
+              the operations on a single request";
+      }
+      leaf sub-request-id {
+        type string;
+        description
+          "Uniquely identifies a specific RANSlice action. It is persistent over
+              the life-cycle of a single request";
+      }
+
+      /**********************************************************************************
+       * Flags are generic flags that apply to any and all commands, all are optional
+       *  force = TRUE/FALSE - Execute command even if target is in unstable (i.e. locked, transiting, etc)
+       *                       state. Specific behaviour of forced commands varies, but implies cancellation
+       *                       of previous command and an override by the new command. The FALSE value is
+       *                       used by default.
+       *  ttl = <0....N> - The timeout value for command execution, expressed in seconds
+       *  mode = EXCLUSIVE/NORMAL - defines execution mode as follows:
+       *        - EXCLUSIVE ? on encountering an exclusive command, the SDN-R will:
+       *          * Cease accepting additional command requests
+       *          * Complete execution of outstanding commands
+       *          * Execute the exclusive command to completion
+       *          * Optionally report the result of the command
+       *          * Optionally resume command acceptance and processing
+       *        - NORMAL - Obverse of EXCLUSIVE, the default one.
+       **********************************************************************************/
+      container flags {
+        description
+          "Flags are generic flags that apply to any and all commands, all are optional";
+        leaf mode {
+          type enumeration {
+            enum EXCLUSIVE {
+              description
+                "TODO";
+            }
+            enum NORMAL {
+              description
+                "TODO";
+            }
+          }
+          description
+            "EXCLUSIVE (accept no queued requests on this VNF while processing)
+                    or NORMAL (queue other requests until complete)";
+          }
+        leaf force {
+          type enumeration {
+            enum TRUE {
+              description
+                "TODO";
+            }
+            enum FALSE {
+              description
+                "TODO";
+            }
+          }
+            description
+            "TRUE/FALSE - Execute action even if target is in unstable (i.e.
+                    locked, transiting, etc.) state";
+        }
+        leaf ttl {
+          type uint16;
+            description
+            "<0....N> - The timeout value (expressed in seconds) for action
+                    execution, between action being received by APPC and action initiation";
+        }
+      }
+    }
+  }
+
+  grouping status {
+    description
+      "The specific response codes are to be aligned with SDC reference doc
+       (main table removed to avoid duplication and digression from main table).
+       See SDC and ECOMP Distribution Consumer Interface Agreement";
+    container status {
+      description
+        "The specific response codes are to be aligned with SDC reference doc
+         (main table removed to avoid duplication and digression from main table).
+         See SDC and ECOMP Distribution Consumer Interface Agreement";
+      leaf code {
+        type uint16;
+        mandatory true;
+        description
+          "Response code";
+      }
+      leaf message {
+        type string;
+        mandatory true;
+        description
+          "Response message";
+      }
+    }
+  }
+
+  grouping abstract-rpc-input {
+      uses common-header;
+      leaf action {
+        type action;
+        mandatory true;
+        description
+          "TODO";
+      }
+      leaf payload {
+        type payload;
+        description
+          "TODO";
+      }
+    description
+      "An abstract rpc output defintion.";
+  }
+  grouping abstract-rpc-input-payload-required {
+      uses common-header;
+      leaf action {
+        type action;
+        mandatory true;
+        description
+          "TODO";
+      }
+      leaf payload {
+        type payload;
+        mandatory true;
+        description
+          "TODO";
+      }
+    description
+      "An abstract rpc output defintion.";
+  }
+  grouping abstract-rpc-output {
+    uses common-header;
+    uses status;
+    description
+      "An abstract rpc output defintion.";
+  }
+  /**********************************************************************************
+   * Define the configureNearRTRIC service
+   **********************************************************************************/
+  rpc configureNearRTRIC {
+    description
+      "An operation to configure Near-Time RIC in the preparation phase";
+    input {
+      uses abstract-rpc-input;
+    }
+    output {
+      uses abstract-rpc-output;
+    }
+  }
+
+  /**********************************************************************************
+   * Define the instantiateRANSlice service
+   **********************************************************************************/
+  rpc instantiateRANSlice {
+    description
+      "An operation to instantiate RAN slice. Includes both allocation and configuration of RAN slice resources";
+    input {
+      uses abstract-rpc-input;
+    }
+    output {
+      uses abstract-rpc-output;
+    }
+  }
+
+  /**********************************************************************************
+   * Define the configureRANSliceInstance service
+   **********************************************************************************/
+  rpc configureRANSliceInstance {
+    description
+      "An operation to configure RAN slice NSSI in CU and DU";
+    input {
+      uses abstract-rpc-input;
+    }
+    output {
+      uses abstract-rpc-output;
+    }
+  }
+
+  /**********************************************************************************
+   * Define the configureCU service
+   **********************************************************************************/
+  rpc configureCU {
+    description
+      "An operation to configure CU in the preparation phase";
+    input {
+      uses abstract-rpc-input;
+    }
+    output {
+      uses abstract-rpc-output;
+    }
+  }
+
+  /**********************************************************************************
+   * Define the configureDU service
+   **********************************************************************************/
+  rpc configureDU {
+    description
+      "An operation to configure DU in the preparation phase";
+    input {
+      uses abstract-rpc-input;
+    }
+    output {
+      uses abstract-rpc-output;
+    }
+  }
+
+  /**********************************************************************************
+   * Define the activateRANSliceInstance service ... needed to enable traffic flow
+   **********************************************************************************/
+  rpc activateRANSliceInstance {
+    description
+      "An operation to reallocate RAN Slice resources";
+      input {
+        uses abstract-rpc-input;
+      }
+      output {
+        uses abstract-rpc-output;
+      }
+  }
+
+  /**********************************************************************************
+   * Define the deactivateRANSliceInstance service ... needed to disable traffic flow
+   **********************************************************************************/
+  rpc deactivateRANSliceInstance {
+    description
+      "An operation to reallocate RAN Slice resources";
+      input {
+        uses abstract-rpc-input;
+      }
+      output {
+        uses abstract-rpc-output;
+      }
+  }
+
+  /**********************************************************************************
+   * Define the terminateRANSliceInstance service
+   **********************************************************************************/
+  rpc terminateRANSliceInstance {
+    description
+      "An operation to terminate RAN slide instance";
+      input {
+        uses abstract-rpc-input;
+      }
+      output {
+        uses abstract-rpc-output;
+      }
+  }
+
+
+  /**********************************************************************************
+   * Define the determineRANSliceResources service
+   **********************************************************************************/
+  rpc determineRANSliceResources {
+    description
+      "An operation to determine RAN slice resources";
+      input {
+        uses abstract-rpc-input;
+      }
+      output {
+        uses abstract-rpc-output;
+      }
+  }
+
+  /**********************************************************************************
+   * Define the configNotification service
+   **********************************************************************************/
+  rpc configNotification {
+    description
+      "CM Notify event triggered by DMAAP VES message";
+      input {
+        uses abstract-rpc-input;
+      }
+      output {
+        uses abstract-rpc-output;
+      }
+  }
+}