Proposed R9+ VNF/CNF Data Model Based on ETSI SOL001 v4.2.1

 tosca.nodes.nfv.VNF:

    derived_from: tosca.nodes.Root

    description: The generic abstract type from which all VNF specific node types shall be derived to form, together with other node types, the TOSCA service template(s) representing the VNFD

descriptor_id

String #UUID

1

Identifier for the VNFD

descriptor_version

String

1

Identifies the version of the VNFD

provider

String

1

provider of the VNF and of the VNFD

product_name

String

1

name to identify the VNF product. Invariant for the VNF Product lifetime

software_version

String

1

Software version of the VNF

product_info_name

String

0..1

Human readable name of the VNF Product

product_info_description

String

0..1

Human readable name for the VNF product

vnfm_info

list of String

1..n

Identifies VNFM(s) compatible with the VNF

localization_languages

list of String

0..n

Information about localization languages of the VNF

lcm_operations_configuration

tosca.datatypes.nfv.VnfLcmOperationsConfiguration

0..n

Describes the configuration parameters for the VNF LCM operations

monitoring_parameters

list of 

tosca.datatypes.nfv.VnfMonitoringParameter

0..n

Describes monitoring parameters applicable to the VNF.

flavour_id

String

1

Identifier of the Deployment Flavour within the VNFD

flavour_description

String

1

Human readable description of the DF

vnf_profile

tosca.datatypes.nfv.VnfProfile

0..1

Describes a profile for instantiating VNFs of a particular NS DF according to a specific VNFD and VNF DF

scale_status

map of tosca.datatypes.nfv.ScaleInfo

0..n

Scale status of the VNF, one entry per aspect. Represents for every scaling aspect how "big" the VNF has been scaled w.r.t. that aspect.

    requirements:

      - virtual_link:

          capability: tosca.capabilities.nfv.VirtualLinkable

          relationship: tosca.relationships.nfv.VirtualLinksTo

          occurrences: [ 0, 1 ]

    # Additional requirements shall be defined in the VNF specific node type (deriving from tosca.nodes.nfv.VNF) corresponding to NS virtual links that need to connect to VnfExtCps

interfaces:

      Vnflcm:

        type: tosca.interfaces.nfv.Vnflcm

    # VnfIndicator:

    #   type: tosca.interfaces.nfv.VnfIndicator

    # derived types are expected to introduce Vnf Indicator interfaces 

    # with their type derived from tosca.interfaces.nfv.VnfIndicator

tosca.nodes.nfv.Vdu.osContainer:

    derived_from: tosca.nodes.Root

    description: Describes the resources of a single container within a VDU

name

String

1

Human readable name of the Container

description

String

1

Human readable description of the Container

requested_ cpu_resources

integer

0..1

Number of milli-Cpus

cpu_resources_limit

integer

0..1

Limit (Max) Number of milli-Cpus

requested_memory_resources

scalar-unit.size

0..1

Amount of Memory requested

memory_resources_limit

scalar-unit.size

0..1

Limit (Max) Memory

requested_ephemeral_storage_resources

scalar-unit.size

0..1

Amount of Ephemeral Storage Requested

ephemeral_storage_resources_limit

scalar-unit.size

0..1

Limit on Ephemeral Storage

    capabilities:

      container_deployable:

        type: tosca.capabilities.nfv.ContainerDeployable

        occurrences: [ 1, UNBOUNDED ]

tosca.nodes.nfv.Vdu.osContainerDeployableUnit:

    derived_from: tosca.nodes.Root

    description: Describes the aggregate of container(s) of a VDU which is a construct  supporting the description of the deployment and operational behavior of a VNFC; Corresponds to a "Pod" in K8S; Can have multiple constitute containers.

name

String

1

Human readable name of the VDU

description

String

1

Human readable description of the VDU

logical_node

Map of tosca.datatypes.nfv.LogicalNodeData

0..1

Describes the Logical Node requirements

requested_additional_capabilities

Map of tosca.datatypes.nfv.RequestedAdditionalCapability

0..1

Describes additional capability for a particular OS container.

nfvi_constraints

map of String

0..n

Describes constraints on the NFVI for the VNFC instance(s) created from this VDU. This property is reserved for future use in the present document.

monitoring_parameters

list of  tosca.datatypes.nfv.VnfcMonitoringParameter

0..n

Describes monitoring parameters applicable to a VNFC instantiated from this VDU; Per Container on IFA011 v4.1.1 but more relevant at the VDU (Pod) Level

configurable_properties

tosca.datatypes.nfv.VnfcConfigurableProperties

0..1

Describes the configurable properties of all VNFC instances based on this VDU.

vdu_profile

tosca.datatypes.nfv.VduProfile

1

Defines additional instantiation data for the Vdu.OsContainerGroup node

    capabilities:

      virtual_binding:

        type: tosca.capabilities.nfv.VirtualBindable

        occurrences: [ 1, UNBOUNDED ]

      associable:

        type: tosca.capabilities.nfv.AssociableVdu

        occurrences: [ 1, 1 ]

    requirements:

      - virtual_storage:

          capability: tosca.capabilities.nfv.VirtualStorage

          relationship: tosca.relationships.nfv.AttachesTo

          occurrences: [ 0, UNBOUNDED ]

   - container_deployable_unit:

       capability: tosca.capabilities.nfv.ContainerDeployable

       relationship: tosca.relationships.nfv.DeploysTo

       occurrences:  [ 1, UNBOUNDED ]

  tosca.nodes.nfv.Mciop:

    derived_from: tosca.Nodes.Root

    description: Representation of the object described by the mciop artifact, capable of being profiled by the properties of the MciopProfile information element defined in ETSI GS NFV-IFA 011 [1].

  requirements:

      - associatedVdu:

          capability: tosca.capabilities.nfv.AssociableVdu

          relationship: tosca.relationships.nfv.Associates

          node: tosca.nodes.nfv.OsContainerDeployableUnit

          occurrences: [ 0, UNBOUNDED ]

Note: The dependson requirement as defined TOSCA-Simple-Profile-YAML-v1.3 may be used towards other Mciop nodes to express the order of deployment.

  tosca.datatypes.nfv.VnfInstantiateOperationConfiguration:

   derived_from: tosca.datatypes.Root

   description: represents information that affect the invocation of the InstantiateVnf operation.

description

String

0..1

Description of VnfInstantiateOperationConfiguration

tosca.datatypes.nfv.VnfMonitoringParameter:
    derived_from: tosca.datatypes.Root
    description: Represents information on virtualised resource related performance metrics applicable to the VNF.

name

String

1

Human readable name of the monitoring parameter

performance_metric

String

1

- valid_values: [ v_cpu_usage_mean_vnf, v_cpu_usage_peak_vnf,
v_memory_usage_mean_vnf, v_memory_usage_peak_vnf,
v_disk_usage_mean_vnf, v_disk_usage_peak_vnf,
byte_incoming_vnf_ext_cp, byte_outgoing_vnf_ext_cp,
packet_incoming_vnf_ext_cp, packet_outgoing_vnf_ext_cp

Identifies the performance metric, according to ETSI GS NFV-IFA 027.

collection_period

scalar-unit.time

0..1

- greater_than: 0 s

Describes the recommended periodicity at which to collect the performance information.

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.

instantiation_level

String

0..1

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

min_number_of_instances

Integer

1

- greater_or_equal: 0

Minimum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.

max_number_of_instances

Integer

1

- greater_or_equal: 0

Maximum number of instances of the VNF based on this VNFD that is permitted to exist for this VnfProfile.

service_availability_level

Integer

0..1

greater_or_equal: 1

If present, specifies the service availability level for the VNF instance created from this profile.

  tosca.datatypes.nfv.SwImageData:

   derived_from: tosca.datatypes.Root

   description: describes information  related to a software image artifact 

name

String