etsi_nfv_sol001_nsd_types.yaml

tosca_definitions_version: tosca_simple_yaml_1_2
description: ETSI NFV SOL 001 nsd types definitions version 2.5.1

imports:
  - etsi_nfv_sol001_vnfd_types.yaml

data_types:
  tosca.datatypes.nfv.ServiceAvailability:
    derived_from: tosca.datatypes.Root
    description: service availability
    properties:
      level:
        type: string
        description: service availability levels
        required: true
        constraints:
          - valid_values: [ level1, level2, level3 ]

  tosca.datatypes.nfv.L2AddressData:
    derived_from: tosca.datatypes.Root
    description: Describes the information on the MAC addresses to be assigned to a connection point. 
    properties:
      mac_address_assignment:
        type: boolean
        description: Specifies if the address assignment is the responsibility of management and orchestration function or not. If it is set to True, it is the management and orchestration function responsibility
        required: true 
  
  tosca.datatypes.nfv.L3AddressData:
    derived_from: tosca.datatypes.Root
    description: Provides information about Layer 3 level addressing scheme and parameters applicable to a CP 
    properties:
      ip_address_assignment:
        type: boolean
        description: Specifies if the address assignment is the responsibility of management and orchestration function or not. If it is set to True, it is the management and orchestration function responsibility
        required: true
      floating_ip_activated:
        type: boolean
        description: Specifies if the floating IP scheme is activated on the Connection Point or not 
        required: true
      ip_address_type:
        type: string
        description: Defines address type. The address type should be aligned with the address type supported by the layer_protocols properties of the parent VnfExtCp
        required: false
        constraints:
          - valid_values: [ ipv4, ipv6 ]
      number_of_ip_address:
        type: integer
        description: Minimum number of IP addresses to be assigned 
        required: false
        constraints:
          - greater_than: 0

  tosca.datatypes.nfv.AddressData:
    derived_from: tosca.datatypes.Root
    description: Describes information about the addressing scheme and parameters applicable to a CP 
    properties:
      address_type:
        type: string
        description: Describes the type of the address to be assigned to a connection point. The content type shall be aligned with the address type supported by the layerProtocol property of the connection point
        required: true
        constraints:
          - valid_values: [ mac_address, ip_address ]
      l2_address_data:
        type: tosca.datatypes.nfv.L2AddressData
        description: Provides the information on the MAC addresses to be assigned to a connection point.
        required: false
      l3_address_data:
        type: tosca.datatypes.nfv.L3AddressData
        description: Provides the information on the IP addresses to be assigned to a connection point 
        required: false

  tosca.datatypes.nfv.ConnectivityType:
    derived_from: tosca.datatypes.Root
    description: describes additional connectivity information of a virtualLink 
    properties:
      layer_protocols:
        type: list
        description: Identifies the protocol a virtualLink gives access to (ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire).The top layer protocol of the virtualLink protocol stack shall always be provided. The lower layer protocols may be included when there are specific requirements on these layers.
        required: true
        entry_schema:
          type: string
          constraints:
            - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
      flow_pattern:
        type: string
        description: Identifies the flow pattern of the connectivity
        required: false
        constraints:
          - valid_values: [ line, tree, mesh ]

  tosca.datatypes.nfv.NsVlProfile:
    derived_from: tosca.datatypes.Root
    description: Describes additional instantiation data for a given NsVirtualLink used in a specific NS deployment flavour.
    properties:
      max_bitrate_requirements:
        type: tosca.datatypes.nfv.LinkBitrateRequirements
        description: Specifies the maximum bitrate requirements for a VL instantiated according to this profile.
        required: true
      min_bitrate_requirements:
        type: tosca.datatypes.nfv.LinkBitrateRequirements
        description: Specifies the minimum bitrate requirements for a VL instantiated according to this profile.
        required: true
      qos:
        type: tosca.datatypes.nfv.NsVirtualLinkQos
        description: Specifies the QoS requirements of a VL instantiated according to this profile.
        required: false
      service_availability:
        type: tosca.datatypes.nfv.ServiceAvailability
        description: Network service virtual link service availability levels, as described in ETSI GS NFV-REL 001
        required: false 

  tosca.datatypes.nfv.VirtualLinkProtocolData:
    derived_from: tosca.datatypes.Root
    description: describes one protocol layer and associated protocol data for a given virtual link used in a specific VNF deployment flavour
    properties:
      associated_layer_protocol:
         type: string
         description: Identifies one of the protocols a virtualLink gives access to (ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire) as specified by the connectivity_type property.
         required: true
         constraints:
           - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
      l2_protocol_data:
         type: tosca.datatypes.nfv.L2ProtocolData
         description: Specifies the L2 protocol data for a virtual link. Shall be present when the associatedLayerProtocol attribute indicates a L2 protocol and shall be absent otherwise.
         required: false
      l3_protocol_data:
         type: tosca.datatypes.nfv.L3ProtocolData
         description: Specifies the L3 protocol data for this virtual link.  Shall be present when the associatedLayerProtocol attribute indicates a L3 protocol and shall be absent otherwise.
         required: false

  tosca.datatypes.nfv.L2ProtocolData:
    derived_from: tosca.datatypes.Root
    description: describes L2 protocol data for a given virtual link used in a specific VNF deployment flavour.
    properties:
      name:
        type: string
        description: Identifies the network name associated with this L2 protocol.
        required: false
      network_type:
        type: string
        description: Specifies the network type for this L2 protocol.The value may be overridden at run-time.
        required: false
        constraints:
          - valid_values: [ flat, vlan, vxlan, gre ]
      vlan_transparent:
        type: boolean
        description: Specifies whether to support VLAN transparency for this L2 protocol or not.
        required: false
        default: false
      mtu:
        type: integer
        description: Specifies the maximum transmission unit (MTU) value for this L2 protocol.
        required: false
        constraints:
          - greater_than: 0 

  tosca.datatypes.nfv.L3ProtocolData:
    derived_from: tosca.datatypes.Root
    description: describes L3 protocol data for a given virtual link used in a specific VNF deployment flavour.
    properties:
      name:
        type: string
        description: Identifies the network name associated with this L3 protocol.
        required: false
      ip_version:
        type: string
        description: Specifies IP version of this L3 protocol.The value of the ip_version property shall be consistent with the value of the layer_protocol in the connectivity_type property of the virtual link node.
        required: true
        constraints:
          - valid_values: [ ipv4, ipv6 ]
      cidr:
        type: string
        description: Specifies the CIDR (Classless Inter-Domain Routing) of this L3 protocol. The value may be overridden at run-time.
        required: true  
      ip_allocation_pools:
        type: list
        description: Specifies the allocation pools with start and end IP addresses for this L3 protocol. The value may be overridden at run-time.
        required: false
        entry_schema:
          type: tosca.datatypes.nfv.IpAllocationPool
      gateway_ip:
        type: string
        description: Specifies the gateway IP address for this L3 protocol. The value may be overridden at run-time.
        required: false
      dhcp_enabled:
        type: boolean
        description: Indicates whether DHCP (Dynamic Host Configuration Protocol) is enabled or disabled for this L3 protocol. The value may be overridden at run-time.
        required: false
      ipv6_address_mode:
        type: string
        description: Specifies IPv6 address mode. May be present when the value of the ipVersion attribute is "ipv6" and shall be absent otherwise. The value may be overridden at run-time.
        required: false
        constraints:
          - valid_values: [ slaac, dhcpv6-stateful, dhcpv6-stateless ]

  tosca.datatypes.nfv.IpAllocationPool:
    derived_from: tosca.datatypes.Root
    description: Specifies a range of IP addresses
    properties:
      start_ip_address:
        type: string
        description: The IP address to be used as the first one in a pool of addresses derived from the cidr block full IP range
        required: true
      end_ip_address:
        type: string
        description: The IP address to be used as the last one in a pool of addresses derived from the cidr block full IP range
        required: true  

  tosca.datatypes.nfv.LinkBitrateRequirements:
    derived_from: tosca.datatypes.Root
    description: describes the requirements in terms of bitrate for a virtual link 
    properties:
      root:
        type: integer # in bits per second
        description: Specifies the throughput requirement in bits per second of the link (e.g. bitrate of E-Line, root bitrate of E-Tree, aggregate capacity of E-LAN).
        required: true
        constraints:
          - greater_or_equal: 0
      leaf:
        type: integer # in bits per second
        description: Specifies the throughput requirement in bits per second of leaf connections to the link when applicable to the connectivity type (e.g. for E-Tree and E LAN branches).
        required: false
        constraints:
          - greater_or_equal: 0

  tosca.datatypes.nfv.NsVirtualLinkQos:
    derived_from: tosca.datatypes.nfv.Qos
    description: describes QoS data for a given VL used in a VNF deployment flavour 
    properties:
      priority:
        type: integer
        description: Specifies the priority level in case of congestion on the underlying physical links
        required: false

  tosca.datatypes.nfv.CpProtocolData:
    derived_from: tosca.datatypes.Root
    description: Describes and associates the protocol layer that a CP uses together with other protocol and connection point information
    properties:
      associated_layer_protocol:
        type: string
        required: true
        description: One of the values of the property layer_protocols of the CP 
        constraints:
          - valid_values: [ ethernet, mpls, odu2, ipv4, ipv6, pseudo-wire ]
      address_data:
        type: list
        description: Provides information on the addresses to be assigned to the CP
        entry_schema: 
          type: tosca.datatypes.nfv.AddressData

  tosca.datatypes.nfv.VnfProfile:
    derived_from: tosca.datatypes.Root
    description: describes a profile for instantiating VNFs of a particular NS DF according to a specific VNFD and VNF DF.
    properties:
      instantiation_level:
        type: string
        description: Identifier of the instantiation level of the VNF DF to be used for instantiation. If not present, the default instantiation level as declared in the VNFD shall be used.
        required: false
      min_number_of_instances:
        type: integer
        description: Minimum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.
        required: true
        constraints:
          - greater_or_equal: 0
      max_number_of_instances:
        type: integer
        description: Maximum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.
        required: true
        constraints:
          - greater_or_equal: 0

  tosca.datatypes.nfv.Qos:
    derived_from: tosca.datatypes.Root
    description: describes QoS data for a given VL used in a VNF deployment flavour 
    properties:
      latency:
        type: scalar-unit.time #Number
        description: Specifies the maximum latency 
        required: true
        constraints: 
          - greater_than: 0 s
      packet_delay_variation:
        type: scalar-unit.time #Number
        description: Specifies the maximum jitter  
        required: true
        constraints: 
          - greater_or_equal: 0 s
      packet_loss_ratio:
        type: float
        description: Specifies the maximum packet loss ratio 
        required: false
        constraints:
           - in_range: [ 0.0, 1.0 ]

capability_types:
  tosca.capabilities.nfv.VirtualLinkable:
    derived_from: tosca.capabilities.Node
    description: A node type that includes the VirtualLinkable capability indicates that it can be pointed by tosca.relationships.nfv.VirtualLinksTo relationship type
  
relationship_types:
  tosca.relationships.nfv.VirtualLinksTo:
    derived_from: tosca.relationships.DependsOn
    description: Represents an association relationship between the VNF or PNF or Sap of a Nested NS and NsVirtualLink node types 
    valid_target_types: [ tosca.capabilities.nfv.VirtualLinkable ]
  
interface_types:
  tosca.interfaces.nfv.Nslcm:
    derived_from: tosca.interfaces.Root
    description: This interface encompasses a set of TOSCA operations corresponding to NS LCM operations defined in ETSI GS NFV-IFA 013. as well as to preamble and postamble procedures to the execution of the NS LCM operations.
    instantiate_start:
      description: Preamble to execution of the instantiate operation
    instantiate:
      description: Base procedure for instantiating an NS, corresponding to the Instantiate NS operation defined in GS NFV-IFA 013. 
    instantiate_end:
      description: Postamble to the execution of the instantiate operation
    terminate_start:
      description: Preamble to execution of the terminate operation
    terminate:
      description: Base procedure for terminating an NS, corresponding to the Terminate NS operation defined in GS NFV-IFA 013. 
    terminate _end:
      description: Postamble to the execution of the terminate operation
    update_start:
      description: Preamble to execution of the update operation
    update:
      description: Base procedure for updating an NS, corresponding to the Update NS operation defined in GS NFV-IFA 013. 
    update_end:
      description: Postamble to the execution of the update operation
    scale_start:
      description: Preamble to execution of the scale operation
    scale:
      description: Base procedure for scaling an NS, corresponding to the Scale NS operation defined in GS NFV-IFA 013. 
    scale _end:
      description: Postamble to the execution of the scale operation
    heal_start:
      description: Preamble to execution of the heal operation
    heal:
      description: Base procedure for healing an NS, corresponding to the Heal NS operation defined in GS NFV-IFA 013. 
    heal _end:
      description: Postamble to the execution of the heal operation
group_types:
  tosca.groups.nfv.PlacementGroup:
    derived_from: tosca.groups.Root
    description: PlacementGroup is used for describing the affinity or anti-affinity relationship applicable between VNF instances created using different VNFDs, the Virtual Link instances created using different VLDs or the nested NS instances created using different NSDs
    properties:
      description:
        type: string
        description: Human readable description of the group
        required: true
    members: [ tosca.nodes.nfv.VNF, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NS ]
  
node_types:
  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.NS:
    derived_from: tosca.nodes.Root
    properties: 
      descriptor_id: 
        type: string # GUID
        description: Identifier of this NS descriptor
        required: true
      designer:
        type: string
        description: Identifies the designer of the NSD.
        required: true
      version:
        type: string
        description: Identifies the version of the NSD.
        required: true
      name:
        type: string
        description: Provides the human readable name of the NSD.
        required: true
      invariant_id:
        type: string
        description: Identifies an NSD in a version independent manner. This attribute is invariant across versions of NSD.
        required: true
    requirements:
      - virtual_link:
          capability: tosca.capabilities.nfv.VirtualLinkable
          relationship: tosca.relationships.nfv.VirtualLinksTo
          node: tosca.nodes.nfv.NsVirtualLink
          occurrences: [ 0, 1 ]
    interfaces:
      Nslcm:
        type: tosca.interfaces.nfv.Nslcm


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

  tosca.nodes.nfv.NsVirtualLink:
    derived_from: tosca.nodes.Root
    description: node definition of Virtual Links
    properties:
      vl_profile:
        type: tosca.datatypes.nfv.NsVlProfile # only covers min/max bitrate requirements
        description: Specifies instantiation parameters for a virtual link of a particular NS deployment flavour.
        required: true
      connectivity_type:
        type: tosca.datatypes.nfv.ConnectivityType
        required: true
      test_access:
        type: list
        description: Test access facilities available on the VL 
        required: false
        entry_schema:
          type: string
          constraints:
            - valid_values: [ passive_monitoring, active_loopback ]
      description:
        type: string
        required: false
        description: Human readable information on the purpose of the virtual link (e.g. VL for control plane traffic).
    capabilities:
      virtual_linkable:
        type: tosca.capabilities.nfv.VirtualLinkable
  
policy_types: 
  tosca.policies.nfv.AffinityRule:
    derived_from: tosca.policies.Placement
    description: The AffinityRule describes the affinity rules applicable for the defined targets
    properties:
      scope:
        type: string
        description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
        required: true
        constraints:
          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop ]
    targets: [ tosca.nodes.nfv.VNF, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NS, tosca.groups.nfv.PlacementGroup ]

  tosca.policies.nfv.AntiAffinityRule:
    derived_from: tosca.policies.Placement
    description: The AntiAffinityRule describes the anti-affinity rules applicable for the defined targets
    properties:
      scope:
        type: string
        description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
        required: true
        constraints:
          - valid_values: [ nfvi_node, zone, zone_group, nfvi_pop ]
    targets: [ tosca.nodes.nfv.VNF, tosca.nodes.nfv.NsVirtualLink, tosca.nodes.nfv.NS, tosca.groups.nfv.PlacementGroup ]

  tosca.policies.nfv.SecurityGroupRule:
    derived_from: tosca.policies.Root
    description: The SecurityGroupRule type is a policy type specified the matching criteria for the ingress and/or egress traffic to/from visited connection points as defined in ETSI GS NFV-IFA 011 [1].
    properties:
      description:
        type: string
        description: Human readable description of the security group rule.
        required: false
      direction:
        type: string
        description: The direction in which the security group rule is applied. The direction of 'ingress' or 'egress' is specified against the associated CP. I.e., 'ingress' means the packets entering a CP, while 'egress' means the packets sent out of a CP.
        required: false
        constraints:
          - valid_values: [ ingress, egress ]
        default: ingress
      ether_type:
        type: string
        description: Indicates the protocol carried over the Ethernet layer.
        required: false
        constraints:
          - valid_values: [ ipv4, ipv6 ]
        default: ipv4
      protocol:
        type: string
        description: Indicates the protocol carried over the IP layer. Permitted values include any protocol defined in the IANA protocol registry, e.g. TCP, UDP, ICMP, etc.
        required: false
        constraints:
          - valid_values: [ hopopt, icmp, igmp, ggp, ipv4, st, tcp, cbt, egp, igp, bbn_rcc_mon, nvp_ii, pup, argus, emcon, xnet, chaos, udp, mux, dcn_meas, hmp, prm, xns_idp, trunk_1, trunk_2, leaf_1, leaf_2, rdp, irtp, iso_tp4, netblt, mfe_nsp, merit_inp, dccp, 3pc, idpr, xtp, ddp, idpr_cmtp, tp++, il, ipv6, sdrp, ipv6_route, ipv6_frag, idrp, rsvp, gre, dsr, bna, esp, ah, i_nlsp, swipe, narp, mobile, tlsp, skip, ipv6_icmp, ipv6_no_nxt, ipv6_opts, cftp, sat_expak, kryptolan, rvd, ippc, sat_mon, visa, ipcv, cpnx, cphb, wsn, pvp, br_sat_mon, sun_nd, wb_mon, wb_expak, iso_ip, vmtp, secure_vmtp, vines, ttp, iptm, nsfnet_igp, dgp, tcf, eigrp, ospfigp, sprite_rpc, larp, mtp, ax.25, ipip, micp, scc_sp, etherip, encap, gmtp, ifmp, pnni, pim, aris, scps, qnx, a/n, ip_comp, snp, compaq_peer, ipx_in_ip, vrrp, pgm, l2tp, ddx, iatp, stp, srp, uti, smp, sm, ptp, isis, fire, crtp, crudp, sscopmce, iplt, sps, pipe, sctp, fc, rsvp_e2e_ignore, mobility, udp_lite, mpls_in_ip, manet, hip, shim6, wesp, rohc ]
        default: tcp
      port_range_min:
        type: integer
        description: Indicates minimum port number in the range that is matched by the security group rule. If a value is provided at design-time, this value may be overridden at run-time based on other deployment requirements or constraints.
        required: false
        constraints:
          - greater_or_equal: 0
          - less_or_equal: 65535
        default: 0
      port_range_max:
        type: integer
        description: Indicates maximum port number in the range that is matched by the security group rule. If a value is provided at design-time, this value may be overridden at run-time based on other deployment requirements or constraints.
        required: false
        constraints:
          - greater_or_equal: 0
          - less_or_equal: 65535
        default: 65535
    targets: [ tosca.nodes.nfv.Sap ]