TOSCA node types of PNFD

  tosca.nodes.nfv.Cp:
    derived_from: tosca.nodes.Root
    description:  Provides information regarding the purpose of the connection point 
    properties:
      layer_protocols:
        type: list
        description: Identifies which protocol the connection point uses for connectivity purposes 
        required: true
        entry_schema:
          type: string
          constraints:
            - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
      role: #Name in ETSI NFV IFA011 v0.7.3: cpRole
        type: string
        description: Identifies the role of the port in the context of the traffic flow patterns in the VNF or parent NS 
        required: false
        constraints:
          - valid_values: [ root, leaf ]
      description:
        type: string
        description: Provides human-readable information on the purpose of the connection point 
        required: false
      protocol:
        type: list
        description: Provides information on the addresses to be assigned to the connection point(s) instantiated from this Connection Point Descriptor 
        required: true
        entry_schema:
          type: tosca.datatypes.nfv.CpProtocolData
      trunk_mode:
        type: boolean
        description: Provides information about whether the CP instantiated from this Cp is in Trunk mode (802.1Q or other)
        required: true

 tosca.nodes.nfv.PNF:
    derived_from: tosca.nodes.Root
    properties: 
      descriptor_id: # instead of pnfd_id
        type: string # GUID
        required: true
      function_description:
        type: string
        required: true
      provider:
        type: string
        required: true
      version:
        type: string
        required: true
      descriptor_invariant_id: # instead of pnfd-invariant-id
        type: string # GUID
        required: true
      name:
        type: string
        required: true
      geographical_location_info: 
        type: tosca.datatypes.nfv.LocationInfo
        required: false
    requirements:
      - virtual_link:
          capability: tosca.capabilities.nfv.VirtualLinkable
          relationship: tosca.relationships.nfv.VirtualLinksTo
          occurrences: [ 0, 1 ]
  # Additional requirements shall be defined in the PNF specific node type (deriving from tosca.nodes.nfv.PNF) corresponding to NS virtual links that need to connect to PnfExtCps

  tosca.nodes.nfv.PnfExtCp:
    derived_from: tosca.nodes.nfv.Cp
    description: node definition of PnfExtCp.
    requirements:
      - external_virtual_link:
          capability: tosca.capabilities.nfv.VirtualLinkable
          relationship: tosca.relationships.nfv.VirtualLinksTo