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The DCAE services components includes all the microservices - collectors, analytics and event processor which supports active data-flows and processing as required by ONAP usecases. The architecture of DCAE targets flexible, micros-service oriented, model based component design and deployment. DCAE offers support for multi-site collection and analytics operations which are essential for large ONAP deployments.

2. New component capabilities for

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Kohn, i.e. the functional enhancements

Following are the planned scope for Kohn release  (more info on the commitment and supporting companies documented under DCAE R11 Kohn M2 Release Planning)

    Complete DCAE transformation to Helm
    • Address DCAE transformation carry-over items
      • Common Template Enhancement for dcaegen2-services-common (
    • filebeat removal + general add-on capabilities)
  • Continue removal of Consul dependency & application config standardization via configmap
  • MOD Support for Helm chart generation/distribution
  • Deprecate Cloudify and related Handlers from ONAP deployment
    • Integration Testsuite migration to use helm chart
      • For support for dynamic configuration update via ConfigMap)
      • DR Feed configuration cleanup
      • Bug fixes for MOD/Helm-gen (log.path setting override)
    • Support TSC approved ONAP Usecases and Features (details
    • documented here - DCAE R11 Kohn M2 Release Planning
    • below)
    • Alignment with TSC/SECCOM Global
    • requirements 
    • STDIO complaince for Heartbeat and SNMPTRap MS
    TSC
    • requirements & TSC/SECCOM Best Practice
    • Integration base image alignment for VES/RESTConf/SliceAnalysis MS
  • Reducing DCAE backlogs  + security fixes
    • OpenSSF Best Practice progression (target Gold badging)
    • SBOM Report integration with CI and validation*
    • Continue AAF certificate dependency removal (by making it a configurable property)
    • Microservice enhancements in support for ONAP usecases/features 
      • SliceAnalysis Ms (under E2E Slicing/IBN/CCVPN), SON-Handler (5G SON)
    • Enable automated static-check code review/scan with CI/verify job 
    • Improving code coverage across all DCAE components
    • DCAE backlog reduction


Services Introduction

Following new service will be delivered for KohnFollowing new services will be delivered as POC in R11

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Refer DCAE R11 Kohn M2 Release Planning#Scope for more details

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Following Platfrom components are deprecated and no longer part of DCAE deployment

    • Cloudify
    • Dashboard
    • ServiceChange Handler
    • Policy-Handler
    • Deployment-Handler
    • InventoryAPI
    • ConfigBindingService*

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Deprecation Notice:

1) Acumos Adapter

2) DCAE MOD was introduced in Frankfurt release to address following requirements:

    1. Simplified and streamlined onboarding for DCAE components/microservice and distribute the deployment artifact with DCAE-Core Platform (Cloudify)
    2. Provide Common Catalog for reusable DCAE microservices for Designer to leverage
    3. Enable automated onboarding for ML microservices from Acumos. 

With DCAE platform transformation feature, requirement #1 and #2 are less critical as the onboarding/deployment are easily managed through Helm-Charts and catalog supported through Chartmuseum (or any other registry). Also with Acumos project archived under LF (end of 2021), DCAE team will be assessing the need for continuation/support of DCAE MOD going forward.  


          KOHN Deployment 

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3. New or modified interfaces

New External interfaces

    • None

Modified interfaces

    • PMSH - Adds new API support for Subscription/Filters/Measurement group management (this will be consumed by Policy)
    • Slice Analysis -  API to provide resource availability for existing slice/subslice. OOF is consumer of the API and will use this data to determine reusability of slice. - NSI/NSSI Selection based on resource occupancy levels; SliceAnalysis will also subscribe to AAI notification to support User-intent triggered CL flow for Bandwidth assessment

Deprecated interfaces

    • None

Deprecated interfaces

    • With deprecation of Acumos Adapter, interface with Acumos project will no longer be supported
    • Cloudify API (used for LCM of DCAE MS)
    • InventoryAPI (used for saving/retreving DCAE blueprints)
    • DeploymentHandler API (used by CLAMP for triggering MS deployment)

4. Interface naming

DCAE R11 Kohn M2 Release Planning#APIOutgoingDependencies

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Existing platform API's - https://docs.onap.org/projects/onap-dcaegen2/en/latest/sections/offeredapis.html

DCAE Platform

DCAE Service Components

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Deprecation Notice: Following Platform API's will be deprecated once all MS migration to new SDK is completed in Jakarta releasepost Kohn release if no new usecase/driver is identified for ONAP releases. For the interim time, the MOD component will be retained in deployment using Jakarta version (no new enhancement/updates are planned) 

6. What are the system limits

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8. Platform Maturity Targets

Jakarta Kohn Release Platform Maturity

Global Requirement and Best Practices - DCAE R11 Kohn M2 Release Planning#BestPractices/GLOBALRequirements

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No model changes planned for J Kohn release