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Remove VNF Instance from NS - NS Update

Proposers

  • Deepika E (Tata Elxsi)
  • Ramesh Ramanathan B (Tata Elxsi)

Description

As a part of NS update proposing the following use case, Remove VNF: Remove an existing VNF instance from a NS instance

In this use-case, an existing VNF instance can be removed from a NS instance without affecting the other VNF instances running in the NS. The VNF instance is terminated and its reference is removed from the NS instance and also all the virtualized resources launched as part of this VNF would be terminated.

Demo or definition of done

If there is a running NS instance with one or more VNF instances then, to remove one of the VNF instances from the NS, perform Remove VNF operation. Verify in OSM system that the VNF instance is terminated and is now not a part of the NS instance. Also verify that the VNF's information and its relevant policies are removed. Verify in VIM that the virtualized resources of the VNF have been terminated.