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1. Project Overview

DCAE platform includes components collectively fulfilling the role of Data Collection, Analytics, and Events generation for ONAP. The architecture of DCAE targets flexible, pluggable, micros-service oriented, model based component deployment and service composition.

DCAE also support multi-site collection and analytics operations which are essential for large ONAP deployments. DCAE components generally fall into two categories: DCAE Platform Components and DCAE Services Components.

DCAE Platform refers the set of controller components which manages the deployment and LCM of the DCAE service components which include all the collectors, analytics and event processor MS. 

2. New component capabilities for Dublin, i.e. the functional enhancements

Following new components introduced for Dublin

Analytics/RCA
         PM-Subscription Handler
         TCA-Gen2 (STRETCH GOAL)

Platform Enhancements

          DCAE MOD

          Acumos Adapter (POC)

3. New or modified interfaces

Architecture diagram - DCAE R6 M1 Release Planning#Highlevelarchitecturediagram

New External interfaces

MOD

Policy Handler (via DMaaP)

PM-Subscription Handler (via DMaaP)

TCA-gen2 (via DMaaP)


Modified interfaces

If they are modified, are the backwards compatible?


4. Interface naming

https://wiki.onap.org/display/DW/DCAE+R4+M1+Release+Planning#DCAER4M1ReleasePlanning-APIIncomingDependencies

5. Reference to the interfaces


Existing platform API's - https://onap.readthedocs.io/en/latest/submodules/dcaegen2.git/docs/sections/offeredapis.html

https://onap.readthedocs.io/en/latest/submodules/dcaegen2.git/docs/sections/apis/deployment-handler.html

https://onap.readthedocs.io/en/latest/submodules/dcaegen2.git/docs/sections/apis/inventory.html

https://git.onap.org/dcaegen2/services/prh/tree/swagger.yaml

https://git.onap.org/dcaegen2/collectors/ves/tree/swagger_vescollector_1.3.1.yaml

https://git.onap.org/dcaegen2/platform/configbinding/tree/app/app/swagger.yaml


New R6 APIs to be added into RTD  - SON-Handler, RESTConf

DCAE R6 M1 Release Planning#APIOutgoingDependencies


6. What are the system limits

Relies on k8s for loadbalancing and scaling. DCAE platform handles the control flow and do not carry the data/event; DCAE service components can be scaled and support state management.
Cloudify is 3rd party product; multi-site feature on community version will be available later in 2019; will be incorporated for E release.


7. Involved use cases, architectural capabilities or functional requirements

  • Usecases


8. Platform Maturity Targets

DCAE R6 M1 Release Planning#PlatformMaturity.1


9. Listing of new or impacted models used by the project (for information only)

Support for new policy model as required by Model driven control loop requirement.


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