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Testing Assumptions


A single VES Collector will be pre-deployed for all flows

DCAE project will generate a blueprint for TCA deployment using Kubernetes

SDC will not generate the blueprint programmatically

CLAMP will deploy an instance of TCA microservice for each use case (vCPE, vFirewall, etc.)

CLAMP will create the initial configuration policy for TCA and make any subsequent updates to it through API to Policy

Initial TCA configuration policy and subsequent updates will be sent by policy to DCAE policy handler

TCA microservice will process updates to its configuration policy

TCA microservice will not be capable of processing multiple configuration policies

Preparation for Testing

DCAE

Deploy VES Blueprint to DCAE which will deploy the VES collector

Generate TCA Blueprint 

Generate TCA Policy model

Policy

Policy model for TCA is uploaded to Policy GUI

CLAMP

Store policy model for TCA in local repository

Testing Flow


Flow 1: Deploy and Configure First Control Loop


UML Code for Flow 1 
@startuml
title This is the flow that will be tested in Beijing
actor SDC_Tester
participant SDC
participant CLAMP
actor CLAMP_Tester
participant DCAE_SCH
participant DCAE_Deployment
participant DCAE_Inventory
participant Policy
participant DCAE_Policy_Handler
participant DCAE_Consul
autonumber
SDC_Tester -> SDC : Create vCPE service composed\nof one VNF resource
note left
Closed loop 1
end note
SDC_Tester -> SDC : Upload DCAE TCA blueprint\nas artifact
SDC_Tester -> SDC : Test, Certify, Distribute Service
SDC -> CLAMP : Blueprint distribution
SDC -> DCAE_SCH : Blueprint distribution
DCAE_SCH -> DCAE_Inventory : Save blueprint
CLAMP_Tester -> CLAMP : Configure thresholds\n of control loop
CLAMP_Tester -> CLAMP : Configure actions\n of control loop
CLAMP -> Policy : Create Configuration and Operational Policies
Policy -> DCAE_Policy_Handler : Configuration Policy
DCAE_Policy_Handler -> DCAE_Consul: Store config
CLAMP -> DCAE_Inventory : Get DCAE Service Id based on Distributed Parameters
CLAMP -> DCAE_Deployment : Trigger Deployment
instance TCA_Instance
TCA_Instance -> DCAE_Consul: Get Configuration
@enduml


Flow 2: Deploy and Configure Second Control Loop

UML Code for Flow 2 
@startuml
title This is the flow that will be tested in Beijing
actor SDC_Tester
participant SDC
participant CLAMP
actor CLAMP_Tester
participant DCAE_SCH
participant DCAE_Deployment
participant DCAE_Inventory
participant Policy
participant DCAE_Policy_Handler
participant DCAE_Consul
autonumber
SDC_Tester -> SDC : Create vFirewall service composed\nof one VNF resource
note left
Closed loop 2
end note
SDC_Tester -> SDC : Upload DCAE TCA blueprint\nas artifact
SDC_Tester -> SDC : Test, Certify, Distribute Service
SDC -> CLAMP : Blueprint distribution
SDC -> DCAE_SCH : Blueprint distribution
DCAE_SCH -> DCAE_Inventory : Save blueprint
CLAMP_Tester -> CLAMP : Configure thresholds\n of control loop
CLAMP_Tester -> CLAMP : Configure actions\n of control loop
CLAMP -> Policy : Create Configuration and Operational Policies
Policy -> DCAE_Policy_Handler : Configuration Policy
DCAE_Policy_Handler -> DCAE_Consul: Store config
CLAMP -> DCAE_Inventory : Get DCAE Service Id based on Distributed Parameters
CLAMP -> DCAE_Deployment : Trigger Deployment
participant TCA_Instance
note right
There are now two TCA instances deployed
end note
TCA_Instance -> DCAE_Consul: Get Configuration
@enduml


Flow 3: Deploy and Configure Third Control Loop

UML Code for Flow 3 
@startuml
title This is the flow that will be tested in Beijing
actor SDC_Tester
participant SDC
participant CLAMP
actor CLAMP_Tester
participant DCAE_SCH
participant DCAE_Deployment
participant DCAE_Inventory
participant Policy
participant DCAE_Policy_Handler
participant DCAE_Consul
autonumber
SDC_Tester -> SDC : Create vDNS service composed\nof one VNF resource
note left
Closed loop 3
end note
SDC_Tester -> SDC : Upload DCAE TCA blueprint\nas artifact
SDC_Tester -> SDC : Test, Certify, Distribute Service
SDC -> CLAMP : Blueprint distribution
SDC -> DCAE_SCH : Blueprint distribution
DCAE_SCH -> DCAE_Inventory : Save blueprint
CLAMP_Tester -> CLAMP : Configure thresholds\n of control loop
CLAMP_Tester -> CLAMP : Configure actions\n of control loop
CLAMP -> Policy : Create Configuration and Operational Policies
Policy -> DCAE_Policy_Handler : Configuration Policy
DCAE_Policy_Handler -> DCAE_Consul: Store config
CLAMP -> DCAE_Inventory : Get DCAE Service Id based on Distributed Parameters
CLAMP -> DCAE_Deployment : Trigger Deployment
participant TCA_Instance
note right
There are now three TCA instances deployed
end note
TCA_Instance -> DCAE_Consul: Get Configuration
@enduml


Flow 4: Run Control Loop #1

UML Code for Flow 4 
@startuml
title This is the flow that will be tested in Beijing
participant VNF
participant VES_Collector
participant TCA_Instance1
participant Policy
participant AppC
autonumber
VNF -> VES_Collector : VES Message\nmeasurementsForVfScaling
VES_Collector -> TCA_Instance1 : VES Message\nmeasurementsForVfScaling
TCA_Instance1 -> Policy : Signature ONSET Message
Policy -> AppC : Action
AppC -> VNF : Action
VNF -> VES_Collector : VES Message\nmeasurementsForVfScaling
VES_Collector -> TCA_Instance1 : VES Message\nmeasurementsForVfScaling
TCA_Instance1 -> Policy : Signature ABATE Message
@enduml


Run Control Loop #2

Run Control Loop #3


Reconfigure Control Loop


UML Code for Flow 5 
@startuml
title This is the flow that will be tested in Beijing
participant CLAMP
actor CLAMP_Tester
participant Policy
participant DCAE_Policy_Handler
participant DCAE_Consul
autonumber
CLAMP_Tester -> CLAMP : Reonfigure thresholds\n of control loop
CLAMP -> Policy : Update Configuration Policy
Policy -> DCAE_Policy_Handler : Updated Configuration Policy
DCAE_Policy_Handler -> DCAE_Consul: Store config
participant TCA_Instance
TCA_Instance -> DCAE_Consul: Get Configuration
@enduml


Stop Control Loop


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