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- NS can include VNF, PNF and other nested NS along with the SAP if any.
- Nested NS is represented as an abstract node which can have its implementation as another service template or it can be referenced from an existing NS.
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node_types: tosca.nodes.nfv.NS.NS1: derived_from: tosca.nodes.Root version: 1.0.0 description: specific network service node. properties: id: type: string description: network service descriptor identifier (NSD). required: true designer: type: string description: identifies the designer of NSD. required: true version: type: string description: identifies the version of NSD. required: true name: type: string description: name of the NSD. required: true invariantId: type: string description: version independent network service descriptor identifier (NSD). required: true ... interfaces: Basic: type: tosca.interfaces.nfv.ns.lifecycle.Basic ... requirements: - virtualLinkable1: tosca.capabilities.nfv.VirtualLinkable - virtualLinkable2: tosca.capabilities.nfv.VirtualLinkable |
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description: World Famous Network Service topology_template: substitution_mappings: node_type: tosca.nodes.nfv.NS.NS1 properties: id: 316aa140-c99a-4a08-b8f5-8e2cb73c83e8 designer: Nokia version: "1.0.0" name: "World Famous" invariantId: 416aa140-c99a-4a08-b8f5-8e2cb73c8fef requirements: - virtualLinkable1: [ vnf1, virtualLinkable2 ] - virtualLinkable2: [ SAP1, virtualLinkable2 ] capabilities: ... interfaces: ... node_templates: vnf1: type: tosca.nodes.nfv.VNF.VNF1 properties: ... requirements: - virtualLinkable1: VL1 #virtualLinkable2 is exposed through substitution mapping ns2: type: tosca.nodes.nfv.NS.NS2 properties: ... requirements: - virtualLinkable1: VL1 pnf: type: tosca.nodes.nfv.PNF.PNF1 properties: ... requirements: - virtualLinkable1: VL1 VL1: type: tosca.nodes.nfv.VL properties: ... SAP1: type: tosca.nodes.nfv.SAP properties: layer_protocol: ipv4 sap_address_assignment: true requirements: - virtualLinkable1: VL1 #virtualLinkable2 is exposed through substitution mapping ... |
- More info in the attached presentation - NSD modeling Rel2.pptx