SOL005NSLifecycleManagement_def.yaml

        items:
          $ref: "#/definitions/Mask"

  ChangeNsFlavourData:
    description: >
      This type specifies an existing NS instance for which the DF needs to be changed.
      This specifies the new DF, the instantiationLevel of the new DF that may be used and
      the additional parameters as input for the flavour change.
      It shall comply with the provisions defined in Table 6.5.3.39-1.
    type: object
    required:
      - newNsFlavourId
    properties:
      newNsFlavourId:
        description: >
          Identifier of the new NS DF to apply to this NS instance.
        $ref: "#/definitions/IdentifierInNsd"
      instantiationLevelId:
        description: >
          Identifier of the instantiation level of the deployment flavour to be instantiated.
          If not present, the default instantiation level as declared in the NSD is instantiated.
        $ref: "#/definitions/IdentifierInNsd"

  AddPnfData:
    description: >
      This type specifies an PNF to be added to the NS instance and the PNF Profile
      to use for this PNF. It shall comply with the provisions defined in Table 6.5.3.14-1.
    type: object
    required:
      - pnfId
      - pnfName
      - pnfdId
      - pnfProfileId
    properties:
      pnfId:
        description: >
          Identifier of the PNF. This identifier is allocated by the OSS/BSS.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      pnfName:
        description: >
          Name of the PNF
        type: string
      pnfdId:
        description: >
          Identifier of the PNFD on which the PNF is based.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      pnfProfileId:
        description: >
          Identifier of related PnfProfile in the NSD on which the PNF is based.
        $ref: "#/definitions/IdentifierInNsd"
      cpData:
        description: >
          Address assigned for the PNF external CP(s).
        type: array
        items:
          $ref: "#/definitions/PnfExtCpData"

  PnfExtCpData:
    description: >
      This type represents the configuration data on the external CP of the PNF.
      It shall comply with the provisions defined in
      Table 6.5.3.16-1.
    type: object
    required:
      - cpProtocolData
    properties:
      cpInstanceId:
        description: >
          Identifier of the CP. Shall be present for existing CP.
        $ref: "#/definitions/IdentifierInPnf"
      cpdId:
        description: >
          Identifier of the Connection Point Descriptor (CPD) for this CP. Shall be present for new CP.
        $ref: "#/definitions/IdentifierInNsd"
      cpProtocolData:
        description: >
          Address assigned for this CP.
        type: array
        items:
          $ref: "#/definitions/CpProtocolData"

  ModifyPnfData:
    description: >
      This type specifies an PNF to be modified in the NS instance.
      It shall comply with the provisions defined in
      Table 6.5.3.15-1.
    type: object
    required:
      - pnfId
    anyOf:
      - required:
          - pnfName
      - required:
          - cpData
    properties:
      pnfId:
        description: >
          Identifier of the PNF. This identifier is allocated by the OSS/BSS.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      pnfName:
        description: >
          Name of the PNF.
        type: string
      cpData:
        description: >
          Address assigned for the PNF external CP(s).
        type: array
        items:
          $ref: "#/definitions/PnfExtCpData"

  AffectedVirtualLink:
    description: >
      This type provides information about added, deleted, modified and
      temporary VLs.
    type: object
    required:
      - id
      - virtualLinkDescId
      - changeType
      - networkResource
    properties:
      id:
        description: >
          Identifier of the virtual link instance, identifying the applicable
          "vnfVirtualLinkResourceInfo" entry in the "VnfInstance" data type.
        $ref: "#/definitions/IdentifierInVnf"
      virtualLinkDescId:
        description: >
          Identifier of the related VLD in the VNFD.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/IdentifierInVnfd"
      changeType:
        description: >
          Signals the type of change. Permitted values:
          * ADDED
          * REMOVED
          * MODIFIED
          * TEMPORARY
          * LINK_PORT_ADDED
          * LINK_PORT_REMOVED
          For a temporary resource, an AffectedVirtualLink structure exists as
          long as the temporary resource exists.
        type: string
        enum:
          - ADDED
          - REMOVED
          - MODIFIED
          - TEMPORARY
          - LINK_PORT_ADDED
          - LINK_PORT_REMOVED
      linkPortIds:
        description: >
          Identifiers of the link ports of the affected VL related to the change.
          Each identifier references an "NsLinkPortInfo" structure.
          Shall be set when changeType is equal to "ADD_LINK_PORT" or "REMOVE_LINK_PORT", and the related "NsLinkPortInfo"
          structures are present (case "add") or have been present (case "remove") in the NsVirtualLinkInfo structure
          that is represented by the "virtualLink¬Info" attribute in the "NsInstance" structure.
          The resource handles of the affected NS link ports can be found by dereferencing the identifiers in the
          "linkPortIds" attribute.
        type: array
        items:
          $ref: "../../definitions/SOL005_def.yaml#/definitions/IdentifierInNs"
      networkResource:
        description: >
          Reference to the VirtualNetwork resource. Detailed information is
          (for new and modified resources) or has been (for removed
          resources) available from the VIM.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/ResourceHandle"
      metadata:
        description: >
          Metadata about this resource.
          The content of this attribute shall be a copy of the content of the
          "metadata" attribute of the VnfVirtualLinkResourceInfo structure.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/KeyValuePairs"

  AffectedVirtualStorage:
    description: >
      This type provides information about added, deleted, modified and
      temporary virtual storage resources.
    type: object
    required:
      - id
      - virtualStorageDescId
      - changeType
      - storageResource
    properties:
      id:
        description: >
          Identifier of the storage instance, identifying the applicable
          "virtualStorageResourceInfo" entry in the "VnfInstance" data type.
        $ref: "#/definitions/IdentifierInVnf"
      virtualStorageDescId:
        description: >
          Identifier of the related VirtualStorage descriptor in the VNFD.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/IdentifierInVnfd"
      changeType:
        description: >
          Signals the type of change. Permitted values:
          * ADDED
          * REMOVED
          * MODIFIED
          * TEMPORARY
          For a temporary resource, an AffectedVirtualStorage structure exists
          as long as the temporary resource exists.
        type: string
        enum:
          - ADDED
          - REMOVED
          - MODIFIED
          - TEMPORARY
      storageResource:
        description: >
          Reference to the VirtualStorage resource. Detailed information is
          (for new and modified resources) or has been (for removed
          resources) available from the VIM.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/ResourceHandle"
      metadata:
        description: >
          Metadata about this resource.
          The content of this attribute shall be a copy of the content of the
          "metadata" attribute of the VirtualStorageResourceInfo structure.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/KeyValuePairs"

  AffectedVnf:
    description: >
      This type provides information about added, deleted and modified VNFs. 
      It shall comply with the provisions in Table 6.5.3.2-1.
    type: object
    required:
      - vnfInstanceId
      - vnfdId
      - vnfProfileId
      - vnfName
      - changeType
      - changeResult
    anyOf:
      - required:
          - changedExtConnectivity
      - oneOf:
          - required:
              - changedVnfInfo
          - required:
              - modificationsTriggeredByVnfPkgChange
    properties:
      vnfInstanceId:
        description: >
          Identifier of the VNF instance. 
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      vnfdId:
        description: >
          Identifier of the VNFD of the VNF Instance.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      vnfProfileId:
        description: >
          Identifier of the VNF profile of the NSD.
        $ref: "#/definitions/IdentifierInNsd"
      vnfName:
        description: >
          Name of the VNF Instance.
        type: string
      changeType:
        description: >
          Signals the type of change
          Permitted values:
          - ADD
          - REMOVE
          - INSTANTIATE
          - TERMINATE
          - SCALE
          - CHANGE_FLAVOUR
          - HEAL
          - OPERATE
          - MODIFY_INFORMATION
          - CHANGE_EXTERNAL_VNF_CONNECTIVITY
          -	CHANGE_VNFPKG
        type: string
        enum:
          - ADD
          - REMOVE
          - INSTANTIATE
          - TERMINATE
          - SCALE
          - CHANGE_FLAVOUR
          - HEAL
          - OPERATE
          - MODIFY_INFORMATION
          - CHANGE_EXTERNAL_VNF_CONNECTIVITY
          - CHANGE_VNFPKG
      changeResult:
        description: >
          Signals the result of change identified by the
          "changeType" attribute.
          Permitted values:
          - COMPLETED
          - ROLLED_BACK
          - FAILED
        type: string
        enum:
          - COMPLETED
          - ROLLED_BACK
          - FAILED
      changedInfo:
        description: >
          Information about the changed VNF instance
          information, including VNF configurable properties,if applicable.
          When the "changedInfo" attribute is present, 
          either the "changedVnfInfo" attribute or the
          "changedExtConnectivity" attribute or both shall be present.
        type: object
        anyOf:
          - required:
              - changedVnfInfo
          - required:
              - changedVnfInfo
          - required:
              - modificationsTriggeredByVnfPkgChange
        oneOf:
          - required:
              - changedVnfInfo
          - required:
              - modificationsTriggeredByVnfPkgChange
        properties:
          changedVnfInfo:
            description: >
              Information about the changed VNF instance
              information, including configurable properties, 
              if applicable.
            $ref: "#/definitions/ModifyVnfInfoData"
          changedExtConnectivity:
            description: >
              Information about changed external connectivity,
              if applicable.
            type: array
            items:
              $ref: "#/definitions/ExtVirtualLinkInfo"
          modificationsTriggeredByVnfPkgChange:
            description: >
              Information about performed changes of "VnfInstance" attributes triggered by changing the current
              VNF package, if applicable. Shall be absent if the "operation" attribute is different from "CHANGE_VNFPKG".
              At least one of the attributes "changedVnfInfo", "changedExtConnectivity" or "modificationsTriggeredByVnfPkgChange"
              shall be present. Not more than one of "changedVnfInfo" and "modificationsTriggeredByVnfPkgChange" shall be present.
            $ref: "#/definitions/ModificationsTriggeredByVnfPkgChange"

  AffectedPnf:
    description: >
      This type provides information about added, deleted and modified PNFs. 
      It shall comply with the provisions in Table 6.5.3.3-1.
    type: object
    required:
      - pnfId
      - pnfdId
      - pnfProfileId
      - cpInstanceId
    properties:
      pnfId:
        description: >
          Identifier of the affected PNF. This identifier is
          allocated by the OSS/BSS.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      pnfdId:
        description: >
          Identifier of the PNFD on which the PNF is based.
        $ref: "#/definitions/IdentifierInNsd"
      pnfProfileId:
        description: >
          Identifier of the VNF profile of the NSD.
        $ref: "#/definitions/IdentifierInNsd"
      pnfName:
        description: >
          Name of the PNF.
        type: string
      cpInstanceId:
        description: >
          Identifier of the CP in the scope of the PNF.
        type: array
        items:
          $ref: "#/definitions/IdentifierInPnf"
      changeType:
        description: >
          Signals the type of change.
          Permitted values:
          - ADD
          - REMOVE
          - MODIFY
        type: string
        enum:
          - ADD
          - REMOVE
          - MODIFY
      changeResult:
        description: >
          Signals the result of change identified by the
          "changeType" attribute.
          Permitted values:
          - COMPLETED
          - ROLLED_BACK
          - FAILED
        type: string
        enum:
          - COMPLETED
          - ROLLED_BACK
          - FAILED

  AffectedVl:
    description: >
      This type provides information about added, deleted and modified VLs. 
      It shall comply with the provisions in Table 6.5.3.4-1.
    type: object
    required:
      - nsVirtualLinkInstanceId
      - nsVirtualLinkDescId
      - vlProfileId
    properties:
      nsVirtualLinkInstanceId:
        description: >
          Identifier of the VL Instance.
        $ref: "#/definitions/IdentifierInNs"
      nsVirtualLinkDescId:
        description: >
          Identifier of the VLD in the NSD for this VL.
        $ref: "#/definitions/IdentifierInNsd"
      vlProfileId:
        description: >
          Identifier of the VLD in the NSD for this VL.
        $ref: "#/definitions/IdentifierInNsd"
      changeType:
        description: >
          Signals the type of change.
          Permitted values:
          - ADD
          - DELETE
          - MODIFY
          - ADD_LINK_PORT
          - REMOVE_LINK_PORT
        type: string
        enum:
          - ADD
          - DELETE
          - MODIFY
          - ADD_LINK_PORT
          - REMOVE_LINK_PORT
      changeResult:
        description: >
          Signals the result of change identified by the
          "changeType" attribute.
          Permitted values:
          - COMPLETED
          - ROLLED_BACK
          - FAILED
        type: string
        enum:
          - COMPLETED
          - ROLLED_BACK
          - FAILED

  AffectedVnffg:
    description: >
      This type provides information about added, deleted and modified VNFFG instances.
      It shall comply with the
      provisions in Table 6.5.3.5-1.
    type: object
    required:
      - vnffgInstanceId
      - vnffgdId
    properties:
      vnffgInstanceId:
        description: >
          Identifier of the VNFFG instance.
        $ref: "#/definitions/IdentifierInNs"
      vnffgdId:
        description: >
          Identifier of the VNFFGD of the VNFFG instance.
        $ref: "#/definitions/IdentifierInNsd"
      changeType:
        description: >
          Signals the type of change.
          Permitted values:
          - ADD
          - DELETE
          - MODIFY
        type: string
        enum:
          - ADD
          - DELETE
          - MODIFY
      changeResult:
        description: >
          Signals the result of change identified by the
          "changeType" attribute.
          Permitted values:
          - COMPLETED
          - ROLLED_BACK
          - FAILED
        type: string
        enum:
          - COMPLETED
          - ROLLED_BACK
          - FAILED

  AffectedNs:
    description: >
      This type provides information about added, deleted and modified nested NSs.
      It shall comply with the provisions in Table 6.5.3.6-1.
    type: object
    required:
      - nsInstanceId
      - nsdId
      - changeType
      - changeResult
    properties:
      nsInstanceId:
        description: >
          Identifier of the nested NS instance.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      nsdId:
        description: >
          Identifier of the NSD of the nested NS instance.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      changeType:
        description: >
          Signals the type of lifecycle change.
          Permitted values:
          - ADD
          - REMOVE
          - INSTANTIATE
          - SCALE
          - UPDATE
          - HEAL
          - TERMINATE
        type: string
        enum:
          - ADD
          - REMOVE
          - INSTANTIATE
          - SCALE
          - UPDATE
          - HEAL
          - TERMINATE
      changeResult:
        description: >
          Signals the result of change identified by the
          "changeType" attribute.
          Permitted values:
          - COMPLETED
          - ROLLED_BACK
          - FAILED
          - PARTIALLY_COMPLETED
        type: string
        enum:
          - COMPLETED
          - ROLLED_BACK
          - FAILED
          - PARTIALLY_COMPLETED
      changedInfo:
        description: >
          Information about the changed NS instance information, if applicable.
        type: object
        properties:
          wanConnectionInfoModifications:
            description: >
              Information about the modified WAN related connectivity information, if applicable.
            type: array
            items:
              $ref: "#/definitions/WanConnectionInfoModification"

  AffectedSap:
    description: >
      This type provides information about added, deleted and modified SAP of a NS.
      It shall comply with the provisions in Table 6.5.3.7-1.
    type: object
    required:
      - sapInstanceId
      - sapdId
    properties:
      sapInstanceId:
        description: >
          Identifier of the nested NS instance.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      sapdId:
        description: >
          Identifier of the NSD of the nested NS instance.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      sapName:
        description: >
          Human readable name for the SAP.
        type: string
      changeType:
        description: >
          Signals the type of lifecycle change.
          Permitted values:
          - ADD
          - REMOVE
          - MODIFY
        type: string
        enum:
          - ADD
          - REMOVE
          - MODIFY
      changeResult:
        description: >
          Signals the result of change identified by the
          "changeType" attribute.
          Permitted values:
          - COMPLETED
          - ROLLED_BACK
          - FAILED
        type: string
        enum:
          - COMPLETED
          - ROLLED_BACK
          - FAILED

  NsLcmOperationStateType:
    description: >
      The enumeration NsLcmOperationStateType shall comply with the provisions defined in Table 6.5.4.4-1.
      Value | Description
      ------|------------
      PROCESSING | The LCM operation is currently in execution.
      COMPLETED | The LCM operation has been completed successfully.
      PARTIALLY_COMPLETED | The LCM operation has been partially completed with accepTable errors.
      FAILED_TEMP | The LCM operation has failed and execution has stopped, but the execution of the operation is not considered to be closed.
      FAILED | The LCM operation has failed and it cannot be retried or rolled back, as it is determined that such action won't succeed.
      OLLING_BACK | The LCM operation is currently being rolled back.
      ROLLED_BACK | The LCM operation has been successfully rolled back, i.e. The state of the VNF prior to the original operation invocation has been restored as closely as possible.
    type: string
    enum:
      - PROCESSING
      - COMPLETED
      - FAILED_TEMP
      - FAILED
      - ROLLING_BACK
      - ROLLED_BACK
  NsLcmOpType:
    description: >
      The enumeration NsLcmOpType represents those lifecycle operations that trigger a NS lifecycle management operation
      occurrence notification.
      Value | Description
      ------|------------
      INSTANTIATE | Represents the "Instantiate NS" LCM operation.
      SCALE | Represents the "Scale NS" LCM operation.
      UPDATE | Represents the "Update NS" LCM operation.
      TERMINATE | Represents the "Terminate NS" LCM operation.
      HEAL | Represents the "Heal NS" LCM operation.
    type: string
    enum:
      - INSTANTIATE
      - SCALE
      - UPDATE
      - TERMINATE
      - HEAL

  LccnSubscriptionRequest:
    description: >
      This type represents a subscription request related to notifications 
      about NS lifecycle changes. It shall comply with the
      provisions defined in Table 6.5.2.2-1..
    type: object
    required:
      - callbackUri
    properties:
      filter:
        description: >
          Filter settings for this subscription, to define the subset
          of all notifications this subscription relates to. A
          particular notification is sent to the subscriber if the filter
          matches, or if there is no filter.
        $ref: "#/definitions/LifecycleChangeNotificationsFilter"
      callbackUri:
        description: >
          The URI of the endpoint to send the notification to.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Uri"
      authentication:
        description: >
          Authentication parameters to configure the use of Authorization when
          sending notifications corresponding to this subscription, as defined
          in clause 8.3.4 of ETSI GS NFV-SOL 013.
          This attribute shall only be present if the subscriber requires
          authorization of notifications.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/SubscriptionAuthentication"
      verbosity:
        description: >
          This attribute signals the requested verbosity of LCM operation occurrence notifications.
          If it is not present, it shall default to the value "FULL".
        $ref: "#/definitions/LcmOpOccNotificationVerbosityType"

  LccnSubscription:
    description: >
      This type represents a subscription related to notifications about NS lifecycle changes. 
      It shall comply with the provisions defined in Table 6.5.2.4-1.
    type: object
    required:
      - id
      - callbackUri
      - _links
    properties:
      id:
        description: >
          Identifier of this subscription resource.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      filter:
        description: >
          Filter settings for this subscription, to define the subset of all
          notifications this subscription relates to. A particular
          notification is sent to the subscriber if the filter matches, or if
          there is no filter.
        $ref: "#/definitions/LifecycleChangeNotificationsFilter"
      callbackUri:
        description: >
          The URI of the endpoint to send the notification to.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Uri"
      verbosity:
        description: >
          This attribute signals the verbosity of LCM operation occurrence notifications.
        $ref: "#/definitions/LcmOpOccNotificationVerbosityType"
      _links:
        description: >
          Links to resources related to this resource.
        type: object
        required:
          - self
        properties:
          self:
            description: >
              URI of this resource.
            $ref: "../../definitions/SOL005_def.yaml#/definitions/Link"

  LifecycleChangeNotificationsFilter:
    description: >
      This type represents a subscription filter related to notifications about 
      NS lifecycle changes. It shall comply with the
      provisions defined in Table 6.5.3.8-1.
      At a particular nesting level in the filter structure, the following applies: 
      All attributes shall match in order for the filter
      to match (logical "and" between different filter attributes). 
      If an attribute is an array, the attribute shall match if at least
      one of the values in the array matches (logical "or" between the values of one filter attribute).
    type: object
    properties:
      nsInstanceSubscriptionFilter:
        description: >
          Filter criteria to select NS instances about which to notify.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/NsInstanceSubscriptionFilter"
      notificationTypes:
        description: >
          Match particular notification types.
          Permitted values:
          - NsLcmOperationOccurenceNotification
          - NsIdentifierCreationNotification
          - NsIdentifierDeletionNotification
          - NsChangeNotification
        type: array
        items:
          type: string
          enum:
            - NsLcmOperationOccurenceNotification
            - NsIdentifierCreationNotification
            - NsIdentifierDeletionNotification
            - NsChangeNotification
      operationTypes:
        description: >
          Match particular NS lifecycle operation types
          for the notification of type
          NsLcmOperationOccurrenceNotification.
          May be present if the "notificationTypes"
          attribute contains the value
          "NsLcmOperationOccurrenceNotification", and
          shall be absent otherwise.
        type: array
        items:
          $ref: "#/definitions/NsLcmOpType"
      operationStates:
        description: >
          Match particular LCM operation state values as
          reported in notifications of type
          NsLcmOperationOccurrenceNotification.
          May be present if the "notificationTypes"
          attribute contains the value
          "NsLcmOperationOccurrenceNotification", and
          shall be absent otherwise.
        type: array
        items:
          $ref: "#/definitions/LcmOperationStateType"
      nsComponentTypes:
        description: >
          Match particular NS component types for the
          notification of type NsChangeNotification.
          May be present if the "notificationTypes"
          attribute contains the value "NsChang.
        type: array
        items:
          $ref: "#/definitions/NsComponentType"
      lcmOpNameImpactingNsComponent:
        description: >
          Match particular LCM operation names for the
          notification of type NsChangeNotification.
          May be present if the "notificationTypes"
          attribute contains the value
          "NsChangeNotification", and shall be absent otherwise.
        type: array
        items:
          $ref: "#/definitions/LcmOpNameForChangeNotificationType"
      lcmOpOccStatusImpactingNsComponent:
        description: >
          Match particular LCM operation status values
          as reported in notifications of type
          NsChangeNotification.
          May be present if the "notificationTypes"
          attribute contains the value
          "NsChangeNotification", and shall be absent otherwise.
        type: array
        items:
          $ref: "#/definitions/LcmOpOccStatusForChangeNotificationType"

  NsScaleInfo:
    description: >
      This type represents the target NS Scale level for each NS scaling aspect of the current deployment flavor.
    type: object
    required:
      - nsScalingAspectId
      - nsScaleLevelId
    properties:
      nsScalingAspectId:
        description: >
          Identifier of the NS scaling aspect.
        $ref: "#/definitions/IdentifierInNsd"
      nsScaleLevelId:
        description: >
          Identifier of the NS scale level.
        $ref: "#/definitions/IdentifierInNsd"

  ScaleNsData:
    description: >
      This type represents the information to scale a NS.
    type: object
    properties:
      vnfInstanceToBeAdded:
        description: >
          An existing VNF instance to be added to the NS
          instance as part of the scaling operation. If
          needed, the VNF Profile to be used for this VNF
          instance may also be provided.
        type: array
        items:
          $ref: "#/definitions/VnfInstanceData"
      vnfInstanceToBeRemoved:
        description: >
          The VNF instance to be removed from the NS
          instance as part of the scaling operation.
        type: array
        items:
          $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      scaleNsByStepsData:
        description: >
          The information used to scale an NS instance by
          one or more scaling steps.
        $ref: "#/definitions/ScaleNsByStepsData"
      scaleNsToLevelData:
        description: >
          The information used to scale an NS instance to a target size.
        $ref: "#/definitions/ScaleNsToLevelData"
      additionalParamsForNs:
        description: >
          Allows the OSS/BSS to provide additional
          parameter(s) at the NS level necessary for the
          NS scaling (as opposed to the VNF level, which is
          covered in additionalParamForVnf).
        $ref: "#/definitions/ParamsForVnf"
      additionalParamsForVnf:
        description: >
          Allows the OSS/BSS to provide additional
          parameter(s) per VNF instance (as opposed to
          the NS level, which is covered in
          additionalParamforNs). This is for VNFs that are
          to be created by the NFVO as part of the NS
          scaling and not for existing VNF that are covered
          by the scaleVnfData.
        type: array
        items:
          $ref: "#/definitions/ParamsForVnf"
      locationConstraints:
        description: >
          The location constraints for the VNF to be
          instantiated as part of the NS scaling.
          An example can be a constraint for the VNF to be
          in a specific geographic location.
        type: array
        items:
          $ref: "#/definitions/VnfLocationConstraint"
      nestedNslocationConstraints:
        description: >
          Defines the location constraints for the nested NS to be instantiated as part of the NS instantiation.
          An example can be a constraint for the nested NS to be in a specific geographic location.
        type: array
        items:
          $ref: "#/definitions/NestedNsLocationConstraint"

  ScaleVnfData:
    description: >
      This type represents defines the information to scale a VNF instance 
      to a given level, or to scale a VNF instance by steps.
    type: object
    required:
      - vnfInstanceid
      - scaleVnfType
    oneOf:
      - required:
          - scaleToLevelData
      - required:
          - scaleByStepData
    properties:
      vnfInstanceId:
        description: >
          Identifier of the VNF instance being scaled.
        $ref: "../../definitions/SOL005_def.yaml#/definitions/Identifier"
      scaleVnfType:
        description: >
          Type of the scale VNF operation requested.
          Allowed values are:
          - SCALE_OUT
          - SCALE_IN
          - SCALE_TO_INSTANTIATION_LEVEL
          - SCALE_TO_SCALE_LEVEL(S)
          The set of types actually supported depends on the
          capabilities of the VNF being managed.
        type: string
        enum:
          - SCALE_OUT
          - SCALE_IN
          - SCALE_TO_INSTANTIATION_LEVEL
          - SCALE_TO_SCALE_LEVEL(S)
      scaleToLevelData:
        description: >
          The information used for scaling to a given level.
        $ref: "#/definitions/ScaleToLevelData"
      scaleByStepData:
        description: >
          The information used for scaling by steps.
        $ref: "#/definitions/ScaleByStepData"

  ScaleNsByStepsData:
    description: >
      This type represents the information used to scale an NS instance by one or more scaling steps, with respect to a
      particular NS scaling aspect. Performing a scaling step means increasing/decreasing the capacity of an NS instance in a
      discrete manner, i.e. moving from one NS scale level to another. The NS scaling aspects and their corresponding NS
      scale levels applicable to the NS instance are declared in the NSD.
    type: object
    required:
      - scalingDirection
      - aspectId
    properties:
      scalingDirection:
        description: >
          The scaling direction. Possible values are:
          - SCALE_IN
          - SCALE_OUT.
        type: string
        enum:
          - SCALE_IN
          - SCALE_OUT
      aspectId:
        description: >
          The aspect of the NS that is requested to be scaled, as
          declared in the NSD.
        $ref: "#/definitions/IdentifierInNsd"
      numberOfSteps:
        description: >
          The number of scaling steps to be performed. Defaults to 1.
        type: integer
        default: 1

  ScaleNsToLevelData:
    description: >
      This type represents the information used to scale an NS instance to a target size. The target size is either expressed as
      an NS instantiation level or as a list of NS scale levels, one per NS scaling aspect, of the current DF. The NS
      instantiation levels, the NS scaling aspects and their corresponding NS scale levels applicable to the NS instance are
      declared in the NSD.
    type: object
    oneOf:
      - required:
          - nsInstantiationLevel
      - required:
          - nsScaleInfo
    properties:
      nsInstantiationLevel:
        description: >
          Identifier of the target NS instantiation level of the
          current DF to which the NS instance is requested to be scaled.
        $ref: "#/definitions/IdentifierInNsd"
      nsScaleInfo:
        description: >
          For each NS scaling aspect of the current DF, defines
          the target NS scale level to which the NS instance is to be scaled.
        type: array
        items:
          $ref: "#/definitions/NsScaleInfo"

  ScaleToLevelData:
    description: >
      This type describes the information used to scale a VNF instance to a target size. The target size is either expressed as
      an instantiation level of that DF as defined in the VNFD, or given as a list of scale levels, one per scaling aspect of that
      DF. Instantiation levels and scaling aspects are declared in the VNFD. The NFVO shall then invoke the