tosca_definitions_version: tosca_simple_yaml_1_1 description: service template of a PNF topology_template: node_templates: pnf_mainPart: type: tosca.nodes.nfv.PNF # This is a comment properties: descriptor_id: b1bb0ce7-ebca-4fa7-95ed-4840d70a2233 function_description: an example PNF provider: Mycompany version: 1.0 descriptor_invariant_id: 1111-2222-ccaa-bbdd name: ExamplePnf requirements: - virtual_link: capability: tosca.capabilities.nfv.VirtualLinkable node: pnfExtCp_1 pnfExtCp_1: # This is another comment here type: tosca.nodes.nfv.PnfExtCp properties: trunk_mode: false layer_protocols: [ ipv4 , ipv6 , otherProtocol ] role: leaf description: External connection point to access this pnf