att.nodes.ims.PCSCF:
  derived_from: tosca.nodes.SoftwareComponent
  capabilities:
    pcscf_endpoint:
      type: tosca.capabilities.Endpoint.Public
      relationship: tosca.relationships.ConnectTo
      occurrences: [0, UNBOUNDED]  
      description: Connection with one ore more UAs
  requirements:
    icscf_endpoint: 
      capability: tosca.capabilities.Endpoint  
      node: att.nodes.ims.ICSCF
      relationship: tosca.relationships.ConnectsTo