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Table of Contents

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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

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

    • 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

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    • 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 Kohn

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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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Image Added


Deprecation Notice:

    • Acumos Adapter


DCAE MOD under assessment for EOL with London release

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.  

Note: Certain MOD components are on java8 due to upstream dependency with Apache/Nifi project on java8 and have SECCOM exception currently.


          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 assessmentNone

Deprecated interfaces

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

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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VES Collector Performance Test

PM-Mapper performance baseline

Datafile Collector (DFC) performance baseline results

HV-VES Performance Test


7. Involved use cases, architectural capabilities or functional requirements

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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