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- A new SO sub-component, following ONAP Microservice Architecture
- A Generic VNFM Adapter, supporting SOL003-compliant SVNFMs
- Support of SOL003 APIs for VNFM LCM
  - VNF Package management (Download & Parse VNF Package)
    - Get package files from the SDC repository thru SO
    - Provide VNF package(s), VNFDs and Artifacts to VNFM
    - SO Catalog DB enhancement for SOL001/SOL004 is under discussion, for future release
  - Invoking SVNFM based on SOL003 VNF LCM APIs as a client
    - use https://forge.etsi.org/gitlab/nfv/SOL002-SOL003/2.5.1/master/src/SOL003/VNFLifecycleManagement swagger to generate a client
    - support Create VNF, Instantiate VNF, Query VNF operations as a client
    - collect data for SOL003 API parameters from SDNC, A&AI and OOF
  - Granting, based on ETSI VNFLifecycleOperationGranting
    - use https://forge.etsi.org/gitlab/nfv/SOL002-SOL003/tree/master/src/SOL003/VNFLifecycleOperationGranting swagger to generate grant services
    - Grant decisions based on the data from OOF and/or VIM registration
  - Subscription to SVNFM for getting notifications
    - STARTING, PROCESSING, COMPLETED
- SVNFM selection based on configuration values that are configured during VNF on-boarding and VNFM registration. Two methods are considered:
  - Correlation between VNF NF Type and VNFM Type (Nokia method)
  - Utilizing VNFD vnfm_info:type, VNFM registration values: VNFM type, Cloud region, vendor

SVNFM Requirements for Dublin (SVNFM Vendor Responsibilities)

- Vendor SVNFM must be "SOL003-compliant"
- Providing SOL003 APIs for VNFM LCM, based on ETSI VNFLifecycleManagement
  - Use https://forge.etsi.org/gitlab/nfv/SOL002-SOL003/2.5.1/master/src/SOL003/VNFLifecycleManagement swagger for providing services
  - Create
  - Instantiate
  - Query
  - Grant request to SO VNFM Adapter, as a client
  - Life cycle notification
- Registration itself to ONAP (thru A&AI ESR) - Name, Type, Vendor, Version, URL, VIM, Username and Password
- Providing Subscription Services for Life-cycle Management Notifications
- Support of the "Direct Mode" of Resource Management only
  - After receiving a grant permission, the VNFM sends requests for resources directly to VIM
  - Invoking MultiCloud from VNFM is under discussion, but not for Dublin
  - The "Indirect Mode" of Resource Management is being discussed, but not for Dublin

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