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Integration between the ONAP and TOSCA Specs models: based on the tosca.capabilities.network.Linkable and tosca.capabilities.network.Bindable capability types, and, perhaps, substitution of the tosca.nodes.Network nodes
The connectivity is modeled on the "application" level only (VFC), not on the "infrastructure" level ("VDU"/Container)
VFC --< ← CP → >-- VL --< ← CP → VFC ← CP →
Same node type to model both internal and external CPs
QoS modeled as TOSCA policies (targeting VLs)
Address assignment as TOSCA policies (tergeting CPs)
CP Address is an attribute, not a property

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Panel

borderColor	green
borderStyle	solid
title	Sample VNF

Code Block

title	"Local" Node Types
linenumbers	true
collapse	true

node_types:    
  onap.node.samples.SampleVFC1:
    derived_from: onap.nodes.VFC:
    requirements:
      - host:
    capabilities:
	    # For every port attached, define a separate binding capability under its own name
		# do not use the mechanism of occurrences
      binding_1:
        type: onap.capabilities.Bindable
        occurrences: [1, 1]
      binding_2:
        type: onap.capabilities.Bindable
        occurrences: [1, 1]
        
  onap.node.samples.SampleVFC2:
    derived_from: onap.nodes.VFC:
    requirements:
      - host:
    capabilities:
      binding_1:
        type: onap.capabilities.Bindable
        occurrences: [1, 1]

Code Block

title	Example VNF Topology
linenumbers	true
collapse	true

node_templates:
  vfc_1:
    type: onap.node.samples.SampleVFC1
    requirements:
      - host:
          node: vdu_1
          capability: host
    capabilities:
      binding_1:
      binding_2:
    
  vfc_2:
    type: onap.node.samples.SampleVFC1
    requirements:
      - host:
          node: vdu_2
          capability: host
    capabilities:
      binding_1:
      binding_2:
    
  cp_1:
    type: onap.nodes.CP
    requirements:
      - binding:
          node: vfc_1
          capability: binding_1
      - link: # a requirement for an external VL => this is an external CP
          node_filter:
          
  cp_2:
    type: onap.nodes.CP
    requirements:
      - binding:
          node: vfc_1
          capability: binding_2
      - link: # linked to the internal VL => this is an internal CP
          node: vl_1
          capability: link
          
  cp_3:
    type: onap.nodes.CP
    requirements:
      - binding:
          node: vfc_2
          capability: binding_1
      - link: # linked to the internal VL
          node: vl_1
          capability: link
          
  vl_1:
    type: onap.nodes.VL
    capabilities:
      - link:
    # The capabilities of this VL are not exposed through 
    # the substitution mapping => this is an internal VL
          
  vducontainer_1:
    type: onap.node.VDUContainer
    capabilities:
      host:
    requirements:
      - cpu:
      - memory:
      - storage:
      - io:
      - nic:
      
  vducontainer_2:
    type: onap.node.VDUContainer
    capabilities:
      host:
    requirements:
      - cpu:
      - memory:
      - storage:
      - io:
      - nic:
      
policies:
  cp_address_assignment_1:
    type: onap.policies.AddressAssignment
    properties:
      automatic_assignment: true
      address_type: IPv4
    targets: cp2, cp3
    
  qos_1:
    type: onap.policies.QualityOfService
    properties:
      max_latency: 100 ms
      latency_jitter: 10 ms
      packet_loss_ratio: 0.01
    targets: vl_1
    
subtitution_mapping:
  type: #.... the node type of this VNF
  requirements:
    - ext_link_1:
        mapping: [cp_1, link]

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