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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. Copyright 2017 AT&T Intellectual Property. All rights reserved.
+
+Use Cases
+=========
+
+Example uses case descriptions and sequence diagrams illustrating
+interactions between platform components.
+
+.. toctree::
+ :maxdepth: 1
+
+ vfw.rst
+ volte.rst
diff --git a/docs/guides/onap-developer/use-cases/vfw.rst b/docs/guides/onap-developer/use-cases/vfw.rst
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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. Copyright 2017 AT&T Intellectual Property. All rights reserved.
+
+vFirewall Use Case
+==================
+
+Description
+-----------
+
+Onboarding
+----------
+
+
+.. uml::
+
+ @startuml
+ title vFW/vFWCL and vDNS VNF Onboarding (R1)\nVFW/vFWCL and vDNS use the same flows but they are separate VNFs/Services
+ ONAP_User -> SDC : vFW_vDNS resource onboarding (HEAT)
+ note right : vFWCL (vpg & vfw,vsn)\nvFW (vpg, vfw, vsn)\nvDNS (vpg, vlb,vdns) + DNSScaling (vdns)\
+ ONAP_User -> SDC : vFW_vDNS service onboarding
+ ONAP_User -> SDC : vFW_vDNS distribution
+ |||
+ SDC -> SO : artifact distribution\nNOTIFY,DOWNLOAD,DEPLOY_OK
+ SDC -> AAI : artifact distribution\nNOTIFY,DOWNLOAD,DEPLOY_OK
+ SDC -> SDNC : artifact distribution\nNOTIFY,DOWNLOAD,DEPLOY_OK
+ @enduml
+
+Instantiation
+-------------
+
+.. uml::
+
+ @startuml
+ title vFW vDNS Instantiation (R1)\nvFW and vDNS use the same flows but they are separate VNFs/Services
+ participant ONAP_User
+ participant Robot
+ Participant SDC
+ Participant VID
+ Participant SO
+ ONAP_User -> AAI : populate cloud inventory
+ note left of AAI: manual via curl or POSTMAN
+ |||
+ ONAP_User -> VID : vFW_vDNS deployment
+ VID -> SDC : Lookup VNF artifacts
+ VID -> AAI : Lookup cloud locations, subscriber
+ VID -> SO : vFW_vDNS Service \nInstantiation\n(base modules)
+ SO -> AAI : inventory update
+ VID -> SO : vFW_vDNS VNF Instantiation\n(base modules)
+ note left of AAI : VFWCL is two VNFs in one service\nso VNF instantiate occurs twice
+ SO -> AAI : inventory update
+ ONAP_User -> SDNC : VNF API Preload VNF/VF data
+ VID -> SO : vFW_vDNS VF Instantiation\n(base modules)
+ SO -> AAI : inventory update
+ SO -> SDNC : Generic VNF API\n(assign)
+ SO -> Multi_VIM : vFW_vDNS Heat template, \nENV file, preload parameters
+ Multi_VIM -> CloudAPI : vFW_vDNS Heat template,\nENV file, preload parameters or
+ CloudAPI -> Hypervisor : vFW_vDNS Infrastructure instantiation
+ Hypervisor -> vFW_vDNS : Nova/Neutron Instantiation
+ Hypervisor -> CloudAPI : complete
+ CloudAPI -> Multi_VIM : complete
+ Multi_VIM -> SO : complete
+ note right : SO may poll for completion
+ SO -> SDNC: Generic VNF API\n(activated)
+ note left : on failure from Openstack SO issues rollback to SDNC
+ SDNC -> AAI : L3 Network resource update
+ SO -> VID : complete
+ note right : VID will poll for completion
+ ONAP_User -> Robot : run Heat Bridge
+ Robot -> CloudAPI : retrieve cloud data
+ Robot -> AAI : Update with cloud data
+ |||
+ @enduml
+