tosca_definitions_version: tosca_simple_yaml_1_0_0
node_types:
  tosca.nodes.nfv.NS:
    derived_from: tosca.nodes.Root
    properties: 
      descriptor_id: 
        type: string # UUID
        description: Identifier of this NS descriptor
        required: true
      designer:
        type: string
        description: Identifies the designer of the NSD.
        required: true
      version:
        type: string
        description: Identifies the version of the NSD.
        required: true
      name:
        type: string
        description: Provides the human readable name of the NSD.
        required: true
      invariant_id: # UUID
        type: string
        description: Identifies an NSD in a version independent manner. This attribute is invariant across versions of NSD
        required: true
      flavour_id:
        type: string
        description: Identifier of the NS Deployment Flavour within the NSD
        required: true
      ns_profile:
        type: tosca.datatypes.nfv.NsProfile
        description: Specifies a profile of a NS, when this NS is used as nested NS within another NS.
        required: false
    requirements:
      - virtual_link:
          capability: tosca.capabilities.nfv.VirtualLinkable
          relationship: tosca.relationships.nfv.VirtualLinksTo
          node: tosca.nodes.nfv.NsVirtualLink
          occurrences: [ 0, 1 ]
    interfaces:
      Nslcm:
        type: tosca.interfaces.nfv.Nslcm