7 Virtualised Network Function information elements
7.1 VNF Descriptor (VNFD)
7.1.1 Introduction
The clauses below define the information elements related to the VNFD. A UML representation of the VNFD high?level structure is shown in figure 7.1.1-1.
Figure 7.1.1-1: VNFD high-level structure
7.1.2 VNFD information element
7.1.2.1 Description
A VNFD is a deployment template which describes a VNF in terms of deployment and operational behaviour requirements. It also contains connectivity, interface and virtualised resource requirements.
7.1.2.2 Attributes
The attributes of the VNFD information element shall follow the indications provided in table 7.1.2.2-1.
Table 7.1.2.2-1: Attributes of the VNFD information element
Attribute | Qualifier | Cardinality | Content | Description | CMCC Comment | State |
vnfdInvariantId | 1 | Identifier | Invariant identifier of the VNFD | Can it be merged with nfProductName below? | FFS | |
vnfdId | M | 1 | Identifier | Identifier of this VNFD information element. This attribute shall be globally unique. The format will be defined in the data model specification phase. See note 1. | TBA | agreed |
| 1 | NFDescription | Description of the VNF. | Confirmed | removed | |
vnfProvider | M | 1 | String | Provider of the VNF and of the VNFD. | Confirmed | agreed |
vnfProductName | M | 1 | String | Name to identify the VNF Product. Invariant for the VNF Product lifetime. | Renamed to Name | agreed |
vnfSoftwareVersion | M | 1 | Version | Software version of the VNF. This is changed when there is any change to the software that is included in the VNF Package. | Renamed to SWversion | agreed |
vnfdVersion | M | 1 | Version | Identifies the version of the VNFD. | Renamed to Version | agreed |
vnfProductInfoName | M | 0..1 | String | Human readable name for the VNF Product. Can change during the VNF Product lifetime. | Renamed to Shortname | agreed |
vnfProductInfo | M | 0..1 | String | Human readable description of the VNF Product. Can change during the VNF Product lifetime. | Renamed to description | agreed |
vnfmInfo | M | 0..N | String | Identifies VNFM(s) compatible with the VNF described in this version of the VNFD. | TBA. Suggest to follow R1 convention, using the name of micro-service of the vnfm drive. For vendor specific vnfm: vendorname+vnfmdriver For generic vnfm: gvnfmdriver | agreed |
localizationLanguage | M | 0..N | Not specified | Information about localization languages of the VNF (includes e.g. strings in the VNFD). See note 4. | Optional, refer to ISO936 https://www.iso.org/iso-639-language-codes.html | agreed |
defaultLocalization | M | 0..1 | Not specified | Default localization language that is instantiated if no information about selected localization language is available. Shall be present if "localizationLanguage" is present and shall be absent otherwise. | Optional, refer to ISO936 https://www.iso.org/iso-639-language-codes.html | agreed |
vdu | M | 1..N | Vdu | Virtualisation Deployment Unit. See clause 7.1.6. | Confirmed. | agreed |
virtualComputeDesc | M | 1..N | VirtualComputeDesc | Defines descriptors of virtual compute resources to be used by the VNF. See clause 7.1.9.2.2. | Suggest to change from 0.. N to 1.. N. | agreed |
virtualStorageDesc | M | 0..N | VirtualStorageDesc | Defines descriptors of virtual storage resources to be used by the VNF. See clause 7.1.9.4.2. | Confirmed | agreed |
intVirtualLinkDesc | M | 1..N | VnfVirtualLinkDesc | Represents the type of network connectivity mandated by the VNF provider between two or more CPs which includes at least one internal CP. See clause 7.1.7. | Confirmed | agreed |
vnfReservedCpd | M | 1..N | VduCpd | Reserved IP Address for VNF which is not bounded to any specific VNFC, but assigned manually from outside and potentially shared as a floating IP among VNFCs. | TBA. | agreed |
vnfExtCpd | M | 1..N | VnfExtCpd | Describes external interface(s) exposed by this VNF enabling connection with a VL. See clause 7.1.3. | Confirmed | agreed |
deploymentFlavour | M | 1..N | VnfDf | Describes specific DF(s) of a VNF with specific requirements for capacity and performance. See clause 7.1.8. | Confirmed | agreed |
configurableProperties | M | 0..1 | VnfConfigurableProperties | Describes the configurable properties of the VNF (e.g. related to auto scaling and auto healing). See clause 7.1.12. | Optional. Without definitions for key-value pairs. | agreed |
modifiableAttributes | M | 0..1 | VnfInfoModifiableAttributes | Describes the modifiable attributes of the VNF. See clause 7.1.14. | Optional Without definitions for key-value pairs. | agreed |
lifeCycleManagementScript | M | 0..N | LifeCycleManagementScript | Includes a list of events and corresponding management scripts performed for the VNF. See clause 7.1.13. | Confirmed | agreed |
elementGroup | M | 0..N | VnfdElementGroup | Describes the associated elements of a VNFD for a certain purpose during VNF lifecycle management. See clause 7.1.4. | To be further worked on. Without definitions for key-value pairs. | agreed |
vnfIndicator | M | 0..N | VnfIndicator | Declares the VNF indicators that are supported by this VNF. | Confirmed | agreed |
autoScale | M | 0..N | Rule | Rule that determines when a scaling action needs to be triggered on a VNF instance e.g. based on certain VNF indicator values or VNF indicator value changes or a combination of VNF indicator value(s) and monitoring parameter(s). See notes 2 and 3. | To be further worked on. Suggest to allow for multiple rules. Provide specifications for rule definition. | postpone to future release |
VeVnfmVnfInterface | M | 1 | String | The API (e.g. IP adress and port) for VNF management. | TBA. | |
logo | M | 0..1 | String | File path of the vendor specified logo. | Confirmed | agreed |
| 0..N | Not Specified | Not sure when and how to use this attribute. | removed | ||
NOTE 1: The VNFD Identifier shall be used as the unique identifier of the VNF Package that contains this VNFD. Any modification of the content of the VNFD or the VNF Package shall result in a new VNFD Identifier. NOTE 2: Monitoring parameters are specified as part of VNF flavour, VDU and VL descriptions. NOTE 3: The rule (conditions and actions) can be expressed as a script. NOTE 4: This allows to provide one or more localization languages to support selecting a specific localization language at VNF instantiation time. | ||||||
7.1.3 Information elements related to VnfExtCpd
7.1.3.1 Introduction
The clauses below define the information elements related to the VnfExtCpd.
7.1.3.2 VnfExtCpd information element
7.1.3.2.1 Description
A VnfExtCpd is a type of Cpd and describes an external interface, a.k.a external CP, exposed by this VNF enabling connection with a VL.
A VnfExtCpd inherits from the Cpd Class (see clause 7.1.6.3). All attributes of the Cpd are also attributes of the VnfExtCpd.
When the VnfExtCpd is mapped to a VduCpd, the values for the attributes type, subType and description shall be identical for both elements.
7.1.3.2.2 Attributes
The attributes of the VnfExtCpd information element shall follow the indications provided in table 7.1.3.2.2-1.
Table 7.1.3.2.2-1: Attributes of the VnfExtCpd information element
Attribute | Qualifier | Cardinality | Content | Description | CMCC Comments |
|---|---|---|---|---|---|
intCpd | M | 0..1 | Identifier (Reference to VduCpd) | Reference to the internal VDU CPD which is used to instantiate internal CPs. These internal CPs are, in turn, exposed as external CPs defined by this external CPD. | TBA |
virtualNetworkInterfaceRequirements | 0..N | VirtualNetworkInterfaceRequirements | Specifies requirements on a virtual network interface realising the CPs instantiated from this CPD. See note. | From Mandatory to Optional | |
(inherited attributes) | All attributes inherited from Cpd. | Confirmed | |||
NOTE: In case of referencing an intCpd via its identifier, the virtualNetworkInterfaceRequirements attribute of the referenced intCpd applies. | |||||
7.1.3.3 AddressData information element
7.1.3.3.1 Description
The AddressData information element supports providing information about the addressing scheme and parameters applicable to a CP.
7.1.3.3.2 Attributes
The attributes of the AddressData information element shall follow the indications provided in table 7.1.3.3.2-1.
Table 7.1.3.3.2-1: Attributes of the AddressData information element
Attribute | Qualifier | Cardinality | Content | Description | CMCC comment |
|---|---|---|---|---|---|
addressType | M | 1 | Enum | Describes the type of the address to be assigned to the CP instantiated from the parent CPD. Value:
The content type shall be aligned with the address type supported by the layerProtocol attribute of the parent CPD. | Confirmed |
l2AddressData | 0..1 | Not specified | Provides the information on the MAC addresses to be assigned to the CP(s) instantiated from the parent CPD. Shall be present when the addressType is MAC address. | From M to O | |
l3AddressData | M | 0..1 | L3AddressData | Provides the information on the IP addresses to be assigned to the CP instantiated from the parent CPD. Shall be present when the addressType is IP address. See clause 7.1.3.3.1. | Confirmed. |
7.1.3.4 L3AddressData information element
7.1.3.4.1 Description
The L3AddressData information element supports providing information about Layer 3 level addressing scheme and parameters applicable to a CP.
7.1.3.4.2 Attributes
The attributes of the L3AddressData information element shall follow the indications provided in table 7.1.3.4.2-1.
Table 7.1.3.4.2-1: Attributes of the L3AddressData information element
Attribute | Qualifier | Cardinality | Content | Description |
|---|---|---|---|---|
iPAddressAssignment | 1 | Boolean | Specify 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. | |
floatingIpActivated | 1 | Boolean | Specify if the floating IP scheme is activated on the CP or not. | |
iPAddressType | M | 0..1 | Enum | Define address type. Value:
See note. |
fixedIPAddress | M | 0..1 | String | TBA. IP Address for the VNF, which is assigned manually from outside. |
fixedIPSubnet | M | 0..1 | String | TBA. Subnet name for the VNF, which is assigned manually from outside. |
numberOfIpAddress | 0..1 | Integer | Minimum number of IP addresses to be assigned based on this L3AddressData information element. From M to O. | |
allowedIPAddress | M | 0..N | String | TBA. Allowed floating IP addresses, in CIDR format. |
NOTE: The address type should be aligned with the address type supported by the layerProtocol attribute of the parent VnfExtCpd. | ||||
7.1.4 VnfdElementGroup information element
7.1.4.1 Description
A VNFD Element Group is a mechanism for associating elements of a VNFD (Vdus and VnfVirtualLinkDesc(s)) for a certain purpose, for example, scaling aspects.
A given element can belong to multiple groups.
7.1.4.2 Attributes
The attributes of the VnfdElementGroup information element shall follow the indications provided in table 7.1.4.2-1.
Table 7.1.4.2-1: Attributes of the VnfdElementGroup information element ()
Attribute | Qualifier | Cardinality | Content | Description |
|---|---|---|---|---|
vnfdElementGroupId | M | 1 | Identifier | Unique identifier of this group in the VNFD. |
description | M | 1 | String | Human readable description of the group. |
vdu | M | 0..N | Identifier (Reference to Vdu) | References to Vdus that are part of this group. |
virtualLinkDesc | M | 0..N | Identifier (Reference to VnfVirtualLinkDesc) | References to VnfVirtualLinkDesc that are part of this group. |
7.1.5 Information elements related to the configuration of VNF lifecycle management operations
Removed entirely.
The only required configuration input is the inject file for VM creation, which is suggested to be added as an attribute to Vdu information element in Section 7.1.6.2.2.
7.1.6 Information elements related to the Vdu
7.1.6.1 Introduction
The clauses below define the information elements related to the Vdu.
7.1.6.2 Vdu information element
7.1.6.2.1 Description
The Virtualisation Deployment Unit (VDU) is a construct supporting the description of the deployment and operational behaviour of a VNFC.
A VNFC instance created based on the VDU maps to a single virtualisation container (e.g. a VM).
A UML representation of the Vdu high-level structure is shown in figure 7.1.6.2.1-1.
Figure 7.1.6.2.1-1: Vdu deployment view
7.1.6.2.2 Attributes
The attributes of the Vdu information element shall follow the indications provided in table 7.1.6.2.2-1.
Table 7.1.6.2.2-1: Attributes of the Vdu information element
Attribute | Qualifier | Cardinality | Content | Description |
|---|---|---|---|---|
vduInvariantId | 1 | Identifier | Invariant identifier of the Vdu. Need to confirm the application scenario. | |
vduId | M | 1 | Identifier | Unique identifier of this Vdu in VNFD. |
name | M | 1 | String | Human readable name of the Vdu. |
vduNamingCode | 1 | String | Short code of the Vdu. | |
vmFlavorName | 1 | String | Name of the VM flavour. Need to clarify the application scenario and relationship with the other attributes. | |
description | M | 1 | String | Human readable description of the Vdu. |
vduCpd | M | 1..N | VduCpd | Describes network connectivity between a VNFC instance (based on this Vdu) and an Virtual Link (VL). See clause 7.1.6.4. |
virtualComputeDesc | M | 1 | Identifier (reference to VirtualComputeDesc) | Describes CPU, Memory and acceleration requirements of the Virtualisation Container realising this Vdu. See clause 7.1.9.2.2. |
virtualStorageDesc | M | 0..N | Identifier (reference to VirtualStorageDesc) | Describes storage requirements for a VirtualStorage instance attached to the virtualisation container created from virtualComputeDesc defined for this Vdu. See clause 7.1.9.4. |
bootOrder | M | 0..N | KeyValuePair | The key indicates the boot index (lowest index defines highest boot priority). The Value references a descriptor from which a valid boot device is created e.g. VirtualStorageDesc from which a VirtualStorage instance is created. See note 1. |
swImageDesc | M | 0..1 | SwImageDesc | Describes the software image which is directly loaded on the virtualisation container realising this Vdu. See clause 7.1.6.5. See note 2. |
nfviConstraint | M | 0..N | NfviConstraint | Describes constraints on the NFVI for the VNFC instance(s) created from this Vdu. For example, aspects of a secure hosting environment for the VNFC instance that involve additional entities or processes. See note 3. |
watchdog | M | 0..1 | string | TBA. Watchdog action to be triggered by VIM for the VNF in case , e.g. reset or hard shutdown etc. |
vmBootUpTimeOut | O | 0..1 | integer | TBA. VNF could specify a more appropriate boot up timeout value for VNFM to detect failure during creation. |
monitoringParameter | 0..N | MonitoringParameter | Defines the virtualised resources monitoring parameters on VDU level. MonitoringParameter is defined in clause 7.1.11.3. From M to O. | |
configurableProperties | 0..1 | VnfcConfigurableProperties | Describes the configurable properties of all VNFC instances based on this VDU. See clause 7.1.6.7. | |
virtualLinkDesc | 0..N | Identifier (reference to VLD) | Suggest to be removed. This is duplicated information, as the VL is already connected toVDU via intCpd information elements. | |
highAvailability |
|
| Not Specified | High availability functionality of the VDU. |
injectFiles | M | 0..N | TBD in DM | TBA. |
NOTE 1: If no boot order is defined the default boot order defined in the VIM or NFVI shall be used. NOTE 2: More software images can be attached to the virtualisation container using VirtualStorage resources. NOTE 3: These are constraints other than stipulating that a VNFC instance has access to a certain resource, as a prerequisite to instantiation. The attributes virtualComputeDesc and virtualStorageDesc define the resources required for instantiation of the VNFC instance. | ||||
7.1.6.3 Cpd information element
7.1.6.3.1 Description
A Cpd information element describes network connectivity to a compute resource or a VL. This is an abstract class used as parent for the various Cpd classes.
7.1.6.3.2 Attributes
The attributes of the Cpd information element shall follow the indications provided in table 7.1.6.3.2-1.
Table 7.1.6.3.2-1: Attributes of the Cpd information element
Attribute | Qualifier | Cardinality | Content | Description |
|---|---|---|---|---|
cpdId | M | 1 | Identifier | Identifier of this Cpd information element. |
layerProtocol | 1..N | Enum | Identifies which protocol the CP uses for connectivity purposes (Ethernet, IPV4, IPV6,). See note. Chang from M to O. | |
cpRole | 0..1 | String | Identifies the role of the port in the context of the traffic flow patterns in the VNF or parent NS. For example a VNF with a tree flow pattern within the VNF will have legal cpRoles of ROOT and LEAF. Confirmed. | |
description | M | 0..1 | String | Provides human-readable information on the purpose of the CP (e.g. CP for control plane traffic). Confirmed. |
addressData | M | 0..N | AddressData | Provides information on the addresses to be assigned to the CP(s) instantiated from this CPD. Confirmed. |
allowedAddressData | M | 0..N | AddressData | TBA. For specifying floating IP to be shared among Cpds, which was reserved for vnfReservedCpd. |
NOTE: This information determines, amongst other things, which type of address to assign to the access point at instantiation time. | ||||
7.1.6.4 VduCpd information element
7.1.6.4.1 Description
A VduCpd information element is a type of Cpd and describes network connectivity between a VNFC instance (based on this VDU) and an VL.
A VduCpd inherits from the Cpd Class (see clause 7.1.6.3). All attributes of the Cpd are also attributes of the VduCpd.
7.1.6.4.2 Attributes
The attributes of the VduCpd information element shall follow the indications provided in table 7.1.6.4.2-1.
Table 7.1.6.4.2-1: Attributes of the VduCpd information element
Attribute | Qualifier | Cardinality | Content | Description |
|---|---|---|---|---|
VirtualLinkDesc | M | 1 | Identifier (Reference to VnfVirtualLinkDesc) | Reference of the internal/external VLD which this internal CPD connects to. From 0..1 to 1. |
bitrateRequirement | M | 0..1 | Number | Bitrate requirement on this CP. Confirmed. |
vnicName | M | 0..1 | String | TBA. The name of the vinic. Could me missing and use the parameter inside infject file. |
vnicOrder | M | 0..1 | Integar | TBA. The order of vnic initiation. Could me missing and use the parameter inside infject file. |
vnicType | M | 0..1 | Enum | TBA. {normal?direct?baremetal?Direct-physical?virtio-forwarder?MACVtap} |
virtualNetworkInterfaceRequirements | 0..N | VirtualNetworkInterfaceRequirements | Specifies requirements on a virtual network interface realising the CPs instantiated from this CPD. From M to O. | |
logicalNodeRequirements | 0..N | KeyValuePair | Describes the CPD with any logical node I/O requirements (for network devices) that may have been created. Linking these attributes is necessary so that I/O requirements that need to be articulated at the logical node level can be associated with the network interface requirements associated with the CPD. To be clarified. | |
(inherited attributes) | All attributes inherited from Cpd. |
7.1.6.5 SwImageDesc information element
7.1.6.5.1 Description
This information element describes requested additional capability for a particular VDU. Such a capability may be for acceleration or specific tasks.
7.1.6.5.2 Attributes
The attributes of the SwImageDesc information element shall follow the indications provided in table 7.1.6.5.2-1.
Table 7.1.6.5.2-1: Attributes of the SwImageDesc information element
Attribute | Qualifier | Cardinality | Content | Description |
|---|---|---|---|---|
id | M | 1 | Identifier | The identifier of this software image. |
name | M | 1 | String | The name of this software image. |
version | M | 1 | String | The version of this software image. |
checksum | M | 1 | String | The checksum of the software image file. |
containerFormat | M | 1 | String | The container format describes the container file format in which software image is provided. |
diskFormat | M | 1 | String | The disk format of a software image is the format of the underlying disk image. |
minDisk | M | 1 | Number | The minimal disk size requirement for this software image. The value of the "size of storage" attribute of the VirtualStorageDesc referencing this SwImageDesc shall not be smaller than the value of minDisk. |
minRam | M | 0..1 | Number | The minimal RAM requirement for this software image. The value of the "size" attribute of VirtualMemoryData of the Vdu referencing this SwImageDesc shall not be smaller than the value of minRam. |
size | M | 1 | Number | The size of this software image. |
swImage | M | 1 | Identifier (Reference to a SwImage) | This is a reference to the actual software image. The reference can be relative to the root of the VNF Package or can be a URL. |
operatingSystem | M | 0..1 | String | Identifies the operating system used in the software image. This attribute may also identify if a 32 bit or 64 bit software image is used. |
supportedVirtualisationEnvironment | M | 0..N | String | Identifies the virtualisation environments (e.g. hypervisor) compatible with this software image. |
7.1.6.6 VirtualNetworkInterfaceRequirements information element
7.1.6.6.1 Description
This information element specifies requirements on a virtual network interface.
7.1.6.6.2 Attributes
The attributes of the VirtualNetworkInterfaceRequirements information element shall follow the indications provided in table 7.1.6.6.2-1.
Table 7.1.6.6.2-1: Attributes of the VirtualNetworkInterfaceRequirements information element
Attribute | Qualifier | Cardinality | Content | Description |
|---|---|---|---|---|
name | M | 0..1 | String | Provides a human readable name for the requirement. |
description | M | 0..1 | String | Provides a human readable description of the requirement. |
supportMandatory | M | 1 | Boolean | Indicates whether fulfilling the constraint is mandatory (TRUE) for successful operation or desirable (FALSE). |
networkInterfaceRequirements | M | 1 | Not specified. | The network interface requirements. An element from an array of key-value pairs that articulate the network interface deployment requirements. |
nicIoRequirements | M | 0..1 | Identifier (reference to logicalNodeData) | This references (couples) the CPD with any logical node I/O requirements (for network devices) that may have been created. Linking these attributes is necessary so that so that I/O requirements that need to be articulated at the logical node level can be associated with the network interface requirements associated with the CPD. |
7.1.6.7 VnfcConfigurableProperties information element
7.1.6.7.1 Description
This information element defines the configurable properties of a VNFC. For a VNFC instance, the value of these properties can be modified through the VNFM.
7.1.6.7.2 Attributes
The attributes of the VnfcConfigurableProperties information element shall follow the indications provided in table 7.1.6.7.2-1.
Table 7.1.6.7.2-1: Attributes of the VnfcConfigurableProperties information element
Attribute | Qualifier | Cardinality | Content | Description |
|---|---|---|---|---|
additionalVnfcConfigurableProperty | M | 0..N | It provides VNFC configurable properties that can be modified using the ModifyVnfInfo operation. |
7.1.6.8 NfviConstraint information element
7.1.6.8.1 Description
This information element defines…….
7.1.6.8.2 Attributes
The attributes of the NfviConstraint information element shall follow the indications provided in table 7.1.6.8.2-1.
Table 7.1.6.8.2-1: Attributes of the nfviConstraint information element
Attribute | Qualifier | Cardinality | Content | Description |
|---|---|---|---|---|
AvailabilityZone | M | 0..1 | String | AvailabilityZone |
HostAggregates | M | 0..1 | String | HostAggregates |
7.1.7 Information elements related to the VLD
7.1.7.1 Introduction
The clauses below define the information elements related to the VLD.
7.1.7.2 VnfVirtualLinkDesc information element
7.1.7.2.1 Description
The VnfVirtualLinkDesc information element supports providing information about an internal VNF VL.
7.1.7.2.2 Attributes
The attributes of the VnfVirtualLinkDesc information element shall follow the indications provided in table 7.1.7.2.2?1.
Table 7.1.7.2.2-1: Attributes of the VnfVirtualLinkDesc information element
Attribute | Qualifier | Cardinality | Content | Description |
virtualLinkDescId | M | 1 | Identifier | Unique identifier of this internal VLD in VNFD. |
virtualLinkDescFlavour |
| 1..N | VirtualLinkDescFlavour | Describes a specific flavour of the VL with specific bitrate requirements. See clause 7.1.8.5. From M to O.
|
cidr | M | 1 | String | TBA. subnet CIDR Initiation parameter. |
allocationPools | M | 0..N | KeyValue | TBA. [starting IP address, ending IP address]. Initiation parameter. |
gatewayIp | M | 0..1 | String | TBA. Gateway IP address. Initiation parameter. |
networkName | M | 1 | String | TBA. Network name. Initiation parameter. |
segmentationId | M | 0..1 | String | VLAN ID. Initiation parameter. |
networkType | M | 0..1 | Enum | VLAN?VxLAN |
physicalNetwork | M | 0..1 | String | The physical network. Initiation parameter. Default to “default” if not specified otherwise. |
dhcpEnabled | M | 0..1 | Boolean | Indicating whether DHCP is supported. Default to “false” if not specified otherwise. |
vlanTransparent | M | 0..1 | Boolean | Indicating whether “VLAN Transparent Mode” is supported. Default to “False” if not specified otherwise. |
connectivityType | M | 1 | ConnectivityType | See clause 7.1.7.3. |
testAccess |
| 0..N | String | Specifies test access facilities expected on the VL (e.g. none, passive monitoring, or active (intrusive) loopbacks at endpoints).
|
description | M | 0..1 | String | Provides human-readable information on the purpose of the VL (e.g. control plane traffic). |
monitoringParameter |
| 0..N | MonitoringParameter | Defines the virtualised resources monitoring parameters on VLD level. MonitoringParameter is defined in clause 7.1.11.3. |
7.1.7.3 ConnectivityType information element
7.1.7.3.1 Description
The contents of a ConnectivityType type shall comply with the indications provided in table 7.1.7.3.2-1.
7.1.7.3.2 Attributes
The attributes of the ConnectivityType information element shall follow the indications provided in table 7.1.7.3.2-1.
Table 7.1.7.3.2-1: Attributes of the ConnectivityType information element
Attribute | Qualifier | Cardinality | Content | Description |
layerProtocol | M | 1 | Enum | Identifies the protocol this VL gives access to (, IPV4, IPV6,). |
flowPattern |
| 0..1 | String | Identifies the flow pattern of the connectivity (Line, Tree, Mesh). From M to O. |
7.1.8 Information elements related to the DeploymentFlavour (Experimental)
7.1.8.1 Introduction
The clauses below define the information elements related to the DF.
7.1.8.2 VnfDf information element
7.1.8.2.1 Description
The VnfDf describes a specific deployment version of a VNF.
7.1.8.2.2 Attributes
The attributes of the VnfDf information element shall follow the indications provided in table 7.1.8.2.2-1.
Table 7.1.8.2.2-1: Attributes of the VnfDf information element
Attribute | Qualifier | Cardinality | Content | Description |
flavourId | M | 1 | Identifier | Identifier of this DF within the VNFD. |
description | M | 1 | String | Human readable description of the DF. |
vduProfile | M | 1..N | VduProfile | Describes additional instantiation data for the VDUs used in this flavour. |
priorityInfo | M | 0..N | KeyValuePair | Specifies the creation priority for each VDU.Key is the priority level, integer starting from 0 with descending priority. Value is a list of VDU name(s). |
virtualLinkProfile | M | 0..N | VirtualLinkProfile | Defines the internal VLD along with additional data which is used in this DF. See notes 1 and 2. |
instantiationLevel | M | 1 | InstantiationLeve l | Describes the various levels of resources that can be used to instantiate the VNF using this flavour. Examples: Small, Medium, Large. If there is only one "instantiationLevel" entry, it shall be treated as the default instantiation level for this DF. |
affinityOrAntiAffinityGroup | M | 0..N | AffinityOrAntiAffinityGroup | Specifies affinity or anti-affinity relationship applicable between the virtualisation containers (e.g. virtual machines) to be created using different VDUs or internal VLs to be created using different VnfVirtualLinkDesc(s) in the same affinity or anti-affinity group. See clause 7.1.8.12. (See note). |
scalingAspect | M | 0..N | ScalingAspect | The scaling aspects supported by this DF of the VNF. scalingAspect shall be present if the VNF supports scaling. |
placementGroup |
| 0..N | Not Specified | Not used. |
NOTE 1: This allows for different VNF internal topologies between DFs. NOTE 2: virtualLinkProfile needs to be provided for all VLs that the CPs of the VDUs in the VDU profiles connect to. NOTE 3: In the present specification, including either VDU(s) or VnfVirtualLinkDesc(s) into the same affinity or anti-affinity group is supported. Extension to support including both VDU(s) and VnfVirtualLinkDesc(s) into the same affinity or anti-affinity group is left for future specification. | ||||
7.1.8.3 VduProfile information element
7.1.8.3.1 Description
The VduProfile describes additional instantiation data for a given VDU used in a DF.
7.1.8.3.2 Attributes
The attributes of the VduProfile information element shall follow the indications provided in table 7.1.8.3.2-1.
Table 7.1.8.3.2-1: Attributes of the VduProfile information element
Attribute | Qualifier | Cardinality | Content | Description |
vduId | M | 1 | Identifier (Reference to Vdu) | Uniquely identifies a VDU. |
|
|
|
|
|
minNumberOfInstances | M | 1 | Integer | Minimum number of instances of the VNFC based on this VDU that is permitted to exist for this flavour. |
maxNumberOfInstances | M | 1 | Integer | Maximum number of instances of the VNFC based on this VDU that is permitted to exist for this flavour. |
localAffinityOrAntiAffinityRule | M | 0..N | LocalAffinityOrAntiAffinityRule | Specifies affinity or anti-affinity rules applicable between the virtualisation containers (e.g. virtual machines) to be created based on this VDU. See clause 7.1.8.11. When the cardinality is greater than 1, both affinity rule(s) and anti-affinity rule(s) with different scopes (e.g. "Affinity with the scope resource zone and anti-affinity with the scope NFVI node") are applicable to the virtualisation containers (e.g. virtual machines) to be created based on this VDU. |
affinityOrAntiAffinityGroupId | M | 0..N | Identifier | Identifier(s) of the affinity or anti-affinity group(s) the VDU belongs to. See note. |
NOTE: Each identifier references an affinity or anti-affinity group which expresses affinity or anti-affinity relationships between the virtualisation container(s) (e.g. virtual machine(s)) to be created using this VDU and the virtualisation container(s) (e.g. virtual machine(s)) to be created using other VDU(s) in the same group. | ||||
7.1.8.4 VirtualLinkProfile information element
7.1.8.4.1 Description
The VirtualLinkProfile describes additional instantiation data for a given VL used in a DF.
7.1.8.4.2 Attributes
The attributes of the VirtualLinkProfile information element shall follow the indications provided in table 7.1.8.4.2-1.
Table 7.1.8.4.2-1: Attributes of the VirtualLinkProfile information element
Attribute | Qualifier | Cardinality | Content | Description |
vnfVirtualLinkDescId | M | 1 | Identifier (Reference to VnfVirtualLinkDesc) | Uniquely identifies a Vnf VLD. |
flavourId | M | 1 | Identifier (Reference to VirtualLinkDescFlavour) | Identifies a flavour within the VnfVirtualLinkDesc. |
localAffinityOrAntiAffinityRule | M | 0..N | LocalAffinityOrAntiAffinityRule | Specifies affinity or anti-affinity rules applicable between the VLs based on this VnfVirtualLinkDesc. See clause 7.1.8.4. When the cardinality is greater than 1, both affinity rule(s) and anti-affinity rule(s) with different scopes are applicable to the VLs based on this VnfVirtualLinkDesc. |
affinityOrAntiAffinityGroupId | M | 0..N | Identifier | Identifier(s) of the affinity or anti-affinity group(s) the VnfVirtualLinkDesc belongs to. See note. |
NOTE: Each identifier references an affinity or anti-affinity group which expresses affinity or anti-affinity relationship between the VL(s) using this VnfVirtualLinkDesc and the VL(s) using other VnfVirtualLinkDesc(s) in the same group. | ||||
7.1.8.5 VirtualLinkDescFlavour information element
7.1.8.5.1 Description
The VirtualLinkDescFlavour describes additional instantiation data for a given internal VL used in a DF.
7.1.8.5.2 Attributes
The attributes of the VirtualLinkDescFlavour information element shall follow the indications provided in table 7.1.8.5.2-1.
Table 7.1.8.5.2-1: Attributes of the VirtualLinkDescFlavour information element
Attribute | Qualifier | Cardinality | Content | Description |
flavourId | 1 | Identifier | Identifies a flavour within a VnfVirtualLinkDesc. From M to O. | |
bitrateRequirements | 0..1 | LinkBitrateRequirements | Bitrate requirements for a VL created from this VirtualLinkDescFlavour. See note. From M to O. | |
qos |
| 0..1 | QoS | QoS of the VL. From M to O. |
NOTE: If not present, it is assumed that the bitrate requirements can be derived from those specified in the VduCpd instances applicable to the internal VL. If present in both the VirtualLinkDescFlavour and the VduCpd instances applicable to the internal VL, the highest value takes precedence. | ||||
7.1.8.6 LinkBitrateRequirements information element
7.1.8.6.1 Description
The LinkBitrateRequirements information element describes the requirements in terms of bitrate for a VL.
7.1.8.6.2 Attributes
The attributes of the LinkBitrateRequirements information element shall follow the indications provided in table 7.1.8.6.2-1.
Table 7.1.8.6.2-1: Attributes of the LinkBitrateRequirements information element
Attribute | Qualifier | Cardinality | Content | Description |
Root |
| 1 | Number | Throughput requirement of the link From M to O. |
Leaf |
| 0..1 | Number | Throughput requirement of leaf connections to the link when applicable to the connectivity type (e.g. for E-Tree and E?LAN branches). See note. From M to O. |
NOTE: The present document does not specify the means to declare different bitrate requirements for leaf connections (e.g. E-LAN leaves). | ||||
7.1.8.7 InstantiationLevel information element
7.1.8.7.1 Description
The InstantiationLevel information element describes a given level of resources to be instantiated within a DF in term of the number of VNFC instances to be created from each VDU.
All the VDUs referenced in the level shall be part of the corresponding DF and their number shall be within the range (min/max) for this DF.
7.1.8.7.2 Attributes
The attributes of the InstantiationLevel information element shall follow the indications provided in table 7.1.8.7.2-1.
Table 7.1.8.7.2-1: Attributes of the InstantiationLevel information element
Attribute | Qualifier | Cardinality | Content | Description |
levelId | M | 1 | Identifier | Uniquely identifies a level with the DF. |
description | M | 1 | String | Human readable description of the level. |
vduLevel | M | 1..N | VduLevel | Indicates the number of instance of this VDU to deploy for this level. |
scaleInfo | M | 0..N | ScaleInfo | Represents for each aspect the scale level that corresponds to this instantiation level. scaleInfo shall be present if the VNF supports scaling.[e1] |
7.1.8.8 ScaleInfo information element
7.1.8.8.1 Description
The ScaleInfo information element represents a scale level for a particular scaling aspect.
7.1.8.8.2 Attributes
The attributes of the ScaleInfo information element shall follow the indications provided in table 7.1.8.8.2-1.
Table 7.1.8.8.2-1: Attributes of the ScaleInfo information element (not used)
Attribute | Qualifier | Cardinality | Content | Description |
aspectId | M | 1 | Identifier | Identifier of the scaling aspect. |
scaleLevel | M | 1 | Integer | The scale level, greater than or equal to 0. |
NOTE: Vertical scaling (scale up, scale down) is not supported in the present document. | ||||
7.1.8.9 VduLevel information element
7.1.8.9.1 Description
The VduLevel information element indicates for a given VDU in a given level the number of instances to deploy.
7.1.8.9.2 Attributes
The attributes of the VduLevel information element shall follow the indications provided in table 7.1.8.9.2-1.
Table 7.1.8.9.2-1: Attributes of the VduLevel information element
Attribute | Qualifier | Cardinality | Content | Description |
vduId | M | 1 | Identifier (Reference to Vdu) | Uniquely identifies a VDU. |
numberOf Instances | M | 1 | Integer | Number of instances of VNFC based on this VDU to deploy for this level. |
7.1.8.10 QoS information element (defer further discussion later)
7.1.8.10.1 Description
The QoS information element describes QoS data for a given VL used in a DF.
7.1.8.10.2 Attributes
The attributes of the QoS information element shall follow the indications provided in table 7.1.8.10.2-1.
Table 7.1.8.10.2-1: Attributes of the QoS information element
Attribute | Qualifier | Cardinality | Content | Description |
latency | M | 1 | Number | Maximum latency in ms. |
packetDelayVariation | M | 1 | Number | Maximum jitter in ms. |
packetLossRatio | M | 0..1 | Number | Maximum packet loss ratio. Cardinality is 0 if no packetLossRatio requirement exists. |
7.1.8.11 LocalAffinityOrAntiAffinityRule information element
7.1.8.11.1 Description
The LocalAffinityOrAntiAffinityRule describes the affinity or anti-affinity rule applicable between the virtualization containers to be created based on a particular VDU, or between internal VLs to be created based on a particular VnfVirtualLinkDesc.
Per VNF, the affinity/anti-affinity rules defined using this information element, using the AffinityOrAntiAffinityGroup information element, and using the placement constraints in the GrantLifecycleOperation as defined in ETSI GS NFV?IFA 007 [i.3] should be conflict-free. In case of conflicts, the placement constraints in the GrantLifecycleOperation shall take precedence.
7.1.8.11.2 Attributes
The attributes of the LocalAffinityOrAntiAffinityRule information element shall follow the indications provided in table 7.1.8.11.2-1.
Table 7.1.8.11.2-1: Attributes of the LocalAffinityOrAntiAffinityRule information element
Attribute | Qualifier | Cardinality | Content | Description |
type | M | 1 | Enum | Specifies whether the rule is an affinity rule or an anti-affinity rule. |
scope | M | 1 | Enum | Specifies the scope of the rule, possible values are "NFVI-PoP", "Zone", "ZoneGroup", "NFVI-node". |
7.1.8.12 AffinityOrAntiAffinityGroup information element
7.1.8.12.1 Description
The AffinityOrAntiAffinityGroup describes the affinity or anti-affinity relationship applicable between the virtualization containers to be created based on different VDUs, or between internal VLs to be created based on different VnfVirtualLinkDesc(s).
Per VNF, the affinity/anti-affinity rules defined using this information element, using the LocalAffinityOrAntiAffinityRule information element, and using the placement constraints in the GrantLifecycleOperation as defined in ETSI GS NFV-IFA 007 [i.3] should be conflict-free. In case of conflicts, the placement constraints in the GrantLifecycleOperation shall take precedence.
7.1.8.12.2 Attributes
The attributes of the AffinityOrAntiAffinityGroup information element shall follow the indications provided in table 7.1.8.12.2-1.
Table 7.1.8.12.2-1: Attributes of the AffinityOrAntiAffinityGroup information element
Attribute | Qualifier | Cardinality | Content | Description |
groupId | M | 1 | Identifier | Identifies an affinity or anti-affinity group to which the affinity or anti-affinity rule applies. |
type | M | 1 | Enum | Specifies whether the rule is an affinity rule or an anti-affinity rule. |
scope | M | 1 | Enum | Specifies the scope of the rule, possible values are "NFVI-PoP", "Zone", "ZoneGroup", "NFVI-node". |
7.1.9 Information elements related to Virtual Resource descriptors
7.1.9.1 Introduction
The clauses below define the Information elements related to Virtual Resource descriptors.
7.1.9.2 Information elements related to Virtual CPU
7.1.9.2.1 Introduction
The clauses below define the information elements related to Virtual CPU.
7.1.9.2.2 VirtualComputeDesc information element
7.1.9.2.2.1 Description
The VirtualComputeDesc information element supports the specification of requirements related to virtual compute resources.
7.1.9.2.2.2 Attributes
The attributes of the VirtualComputeDesc information element shall follow the indications provided in table 7.1.9.2.2.2?1.
If the VIM supports the concept of virtual compute resource flavours, it is assumed that a flavour is selected or created based on the information in the VirtualComputeDesc information element.
Table 7.1.9.2.2.2-1: Attributes of the VirtualComputeDesc information element
Attribute | Qualifier | Cardinality | Content | Description |
virtualComputeDescId | M | 1 | Identifier | Unique identifier of this VirtualComputeDesc in the VNFD. |
logicalNode | M | 1..N | logicalNodeData | The logical Node requirements. |
requestAdditionalCapabilities | M | 0..N | RequestedAdditionalCapabilityData | Specifies requirements for additional capabilities. These may be for a range of purposes. One example is acceleration related capabilities. See clause 7.1.9.5. |
computeRequirements | M | 0..N | Not specified | Specifies compute requirements. |
virtualMemory | M | 1 | VirtualMemoryData | The virtual memory of the virtualised compute. See clause 7.1.9.3. |
virtualCpu | M | 1 | VirtualCpuData | The virtual CPU(s) of the virtualised compute. See clause 7.1.9.2. |
7.1.9.2.3 VirtualCpuData information elements
7.1.9.2.3.1 Description
The VirtualCpuData information element supports the specification of requirements related to virtual CPU(s) of a virtual compute resource.
7.1.9.2.3.2 Attributes
The attributes of the VirtualCpuData information element shall follow the indications provided in table 7.1.9.2.3.2-1.
Table 7.1.9.2.3.2-1: Attributes of the VirtualCpuData information element
Attribute | Qualifier | Cardinality | Content | Description |
cpuArchitecture | M | 0..1 | String | CPU architecture type. Examples are x86, ARM. The cardinality can be 0 during the allocation request, if no particular CPU architecture type is requested. |
numVirtualCpu | M | 1 | Integer | Number of virtual CPUs. |
virtualCpuClock | M | 0..1 | Number | Minimum virtual CPU clock rate (e.g. in MHz). The cardinality can be 0 during the allocation request, if no particular value is requested. |
virtualCpuOversubscriptionPolicy | M | 0..1 | Not specified | The CPU core oversubscription policy e.g. the relation of virtual CPU cores to physical CPU cores/threads. The cardinality can be 0 during the allocation request, if no particular value is requested. |
vduCpuRequirements | M | 0..N | Not specified. | Array of key-value pair requirements on the Compute (CPU) for the VDU. |
virtualCpuPinning | M | 0..1 | VirtualCpuPinningData | The virtual CPU pinning configuration for the virtualised compute resource. See clause 7.1.9.2.4. |
7.1.9.2.4 VirtualCpuPinningData information element
7.1.9.2.4.1 Description
The VirtualCpuPinningData information element supports the specification of requirements related to the virtual CPU pinning configuration of a virtual compute resource.
7.1.9.2.4.2 Attributes
The attributes of the VirtualCpuPinningData information element shall follow the indications provided in table 7.1.9.2.4.2-1.
Table 7.1.9.2.4.2-1: Attributes of the VirtualCpuPinningData information element
Attribute | Qualifier | Cardinality | Content | Description |
cpuPinningPolicy | M | 0..1 | Enum | Indicates the policy for CPU pinning. The policy can take values of "static" or "dynamic". The cardinality can be 0 during the allocation request, if no particular value is requested. |
cpuPinningMap | M | 0..1 | Not specified | If cpuPinningPolicy is defined as "static", the cpuPinningMap provides the map of pinning virtual CPU cores to physical CPU cores/threads. Cardinality is 0 if cpuPinningPolicy has a different value than "static". |
7.1.9.3 Information elements related to Virtual Memory
7.1.9.3.1 Introduction
The clauses below define the information elements related to Virtual Memory.
7.1.9.3.2 VirtualMemoryData information element
7.1.9.3.2.1 Description
The VirtualMemoryData information element supports the specification of requirements related to virtual memory of a virtual compute resource.
7.1.9.3.2.2 Attributes
The attributes of the VirtualMemoryData information element shall follow the indications provided in table 7.1.9.3.2.2?1.
Table 7.1.9.3.2.2-1: Attributes of the VirtualMemoryData information element
Attribute | Qualifier | Cardinality | Content | Description |
virtualMemSize | M | 1 | Number | Amount of virtual Memory (e.g. in MB). |
virtualMemOversubscriptionPolicy | M | 0..1 | Not specified | The memory core oversubscription policy in terms of virtual memory to physical memory on the platform. The cardinality can be 0 during the allocation request, if no particular value is requested. |
vduMemRequirements | M | 0..N | Not specified. | Array of key-value pair requirements on the memory for the VDU. |
numaEnabled | M | 0..1 | Boolean | It specifies the memory allocation to be cognisant of the relevant process/core allocation. The cardinality can be 0 during the allocation request, if no particular value is requested. |
7.1.9.4 Information elements related to Virtual Storage
7.1.9.4.1 Introduction
The clauses below define the information elements related to Virtual Storage.
7.1.9.4.2 VirtualStorageDesc information element
7.1.9.4.2.1 Description
The VirtualStorageDesc information element supports the specifications of requirements related to virtual storage resources.
7.1.9.4.2.2 Attributes
The attributes of the VirtualStorageDesc information element shall follow the indications provided in table 7.1.9.4.2.2?1.
Table 7.1.9.4.2.2-1: Attributes of the VirtualStorageDesc information element
Attribute | Qualifier | Cardinality | Content | Description |
id | M | 1 | Identifier | Unique identifier of this VirtualStorageDesc in the VNFD. |
typeOfStorage | M | 1 | String | Type of virtualised storage resource |
sizeOfStorage | M | 1 | Number
| Size of virtualised storage resource |
vduStorageRequirements | M | 0..N | key value | An array of key-value pairs that articulate the storage deployment requirements. More specific key-value definitions to be added. |
rdmaEnabled |
| 0..1 | Boolean | Indicate if the storage support RDMA. From M to O. |
swImageDesc | M | 0..1 | Identifier (Reference to a SwImageDesc) | Software image to be loaded on the VirtualStorage Resource created based on this VirtualStorageDesc. |
7.1.9.5 RequestedAdditionalCapabilityData information element
7.1.9.5.1 Description
This information element describes requested additional capability for a particular VDU. Such a capability may be for acceleration or specific tasks.
7.1.9.5.2 Attributes
The attributes of the RequestedAdditionalCapabilityData information element shall follow the indications provided in table 7.1.9.5.2-1.
Table 7.1.9.5.2-1: Attributes of the RequestedAdditionalCapabilityData information element
Attribute | Qualifier | Cardinality | Content | Description |
requestedAdditionalCapabilityName | M | 1 | String | Identifies a requested additional capability for the VDU. ETSI GS NFV-IFA 002 [i.1] describes acceleration capabilities. |
supportMandatory | M | 1 | Boolean | Indicates whether the requested additional capability is mandatory for successful operation. |
minRequestedAdditionalCapabilityVersion | M | 0..1 | String | Identifies the minimum version of the requested additional capability. |
preferredRequestedAdditionalCapabilityVersion | M | 0..1 | String | Identifies the preferred version of the requested additional capability. |
targetPerformanceParameters | M | 1..N | KeyValuePair | Identifies specific attributes, dependent on the requested additional capability type. |
7.1.9.6 logicalNodeData information element
7.1.9.6.
1 Description
This information element describes compute, memory and I/O requirements that are to be associated with the logical node of infrastructure. The logical node requirements are a sub-component of the VDU level requirements. As an example for illustration purposes, a logical node correlates to the concept of a NUMA cell in libvirt terminology.
7.1.9.6.2 Attributes
The attributes of the logicalNodeData information element shall follow the indications provided in table 7.1.9.6.2-1.
Table 7.1.9.6.2-1: Attributes of the logicalNodeData information element
Attribute | Qualifier | Cardinality | Content | Description |
logicalNodeRequirements | M | 0..N | KeyValuePair | The logical node-level compute, memory and I/O requirements. An array of key-value pairs that articulate the deployment requirements.
This could include the number of CPU cores on this logical node, a memory configuration specific to a logical node (e.g. such as available in the Linux kernel via the libnuma library) or a requirement related to the association of an I/O device with the logical node. |
7.1.10 Information elements related to scaling
7.1.10.1 Introduction
The clauses below define the information elements related to scaling.
7.1.10.2 ScalingAspect information element
7.1.10.2.1 Description
The ScalingAspect information element describes the details of an aspect used for horizontal scaling.
7.1.10.2.2 Attributes
The attributes of the ScalingAspect information element shall follow the indications provided in table 7.1.10.2.2-1.
Table 7.1.10.2.2-1: Attributes of the ScalingAspect information element
Attribute | Qualifier | Cardinality | Content | Description |
id | M | 1 | Identifier | Unique identifier of this aspect in the VNFD. |
name | M | 1 | String | Human readable name of the aspect. |
description | M | 1 | String | Human readable description of the aspect. |
associatedGroup | M | 0..1 | Identifier (Reference to VnfdElementGroup) | Reference to the group of Vnfd elements defining this aspect. If present, scaling for this aspect is limited to the elements of the group, but there is no assumption that all the elements of the groups will be increased at each step. See note 1. |
maxScaleLevel | M | 1 | PositiveInteger | The maximum scaleLevel for total number of scaling steps that can be applied w.r.t. this aspect. The value of this attribute corresponds to the number of scaling steps can be applied to this aspect when scaling it from the minimum scale level (i.e. 0) to the maximum scale level defined by this attribute. See note 2. |
NOTE 1: In the present release of the specification, support for modifying the internal VNF topology during the scaling of the internal VLs, is not required. NOTE 2: A scaling step is the smallest increment by which a VNF can be scaled for a particular aspect. Scaling by a single step does not imply that only one VNFC instance is created or removed. It means that one or more VNFC instances are created from the same VDU or from different VDUs, or that a more complex setup occurs. | ||||
7.1.11 Information elements related to monitoring
7.1.11.1 Introduction
The clause below define the information elements related to monitoring.
7.1.11.2 VnfIndicator information element
7.1.11.2.1 Description
The VnfIndicator information element defines the indicator the VNF supports.
7.1.11.2.2 Attributes
The attributes of the VnfIndicator information element shall follow the indications provided in table 7.1.11.2.2-1.
Table 7.1.11.2.2-1: Attributes of the VnfIndicator information element
Attribute | Qualifier | Cardinality | Content | Description |
id | M | 1 | Identifier | Unique identifier. |
name | M | 0..1 | String | The human readable name of the VnfIndicator. |
indicatorValue | M | 1..N | String | Defines the allowed values or value ranges of this indicator. |
source | M | 1 | Enum | Describe the source of the indicator. The possible values are:
This tells the consumer where to send the subscription request. |
7.1.11.3 MonitoringParameterinformation element
7.1.11.3.1 Description
This information element specifies the virtualised resource related performance metrics to be tracked by the VNFM, e.g. for auto-scaling purposes. The VNFM collects the values of performance metrics identified by this information element from the VIM(s) using one or more locally initiated PM Jobs. These values can be used as inputs to auto-scaling rules.
7.1.11.3.2 Attributes
The attributes of the MonitoringParameter information element shall follow the indications provided in
table 7.1.11.3.2-1.
Table 7.1.11.3.2-1: Attributes of the MonitoringParameter information element
Attribute | Qualifier | Cardinality | Content | Description |
id | M | 1 | Identifier | Unique identifier of the monitoring parameter. |
name | M | 0..1 | String | Human readable name of the monitoring parameter. |
performanceMetric | M | 1 | String | Identifies the virtualised resource performance metric. |
7.1.12 VnfConfigurableProperties information element (not used)
7.1.12.1 Description
This information element defines the configurable properties of a VNF (e.g. related to auto scaling and auto healing). For a VNF instance, the value of these properties can be modified by the VNFM.
7.1.12.2 Attributes
The attributes of the VnfConfigurableProperties information element shall follow the indications provided in table 7.1.12.2-1.
Table 7.1.12.2-1: Attributes of the VnfConfigurableProperties information element
Attribute | Qualifier | Cardinality | Content | Description |
isAutoscaleEnabled |
| 0..1 | Boolean | It permits to enable (TRUE)/disable (FALSE) the auto-scaling functionality. See note. |
isAutohealEnabled |
| 0..1 | Boolean | It permits to enable (TRUE)/disable (FALSE) the auto-healing functionality. See note. |
additionalConfigurableProperty | M | 0..N | Not specified | It provides VNF specific configurable properties that can be modified using the ModifyVnfInfo operation. |
NOTE: A cardinality of "0" indicates that configuring this present VNF property is not supported. | ||||
7.1.13 LifeCycleManagementScript information element
7.1.13.1 Description
Clause 7.1.13.2 defines the information elements related to the lifecycle management script for the VNF.
7.1.13.2 Attributes
The content of the LifeCycleManagementScript type shall comply with the indications provided in table 7.1.13.2-1.
Table 7.1.13.2-1: Attributes of the LifeCycleManagementScript information element
Attribute | Qualifier | Cardinality | Content | Description |
name |
|
| String | Name of the LCM operation. |
event | M | 1..N | String | Describes VNF lifecycle event(s) or an external stimulus detected on a VNFM reference point which trigger the operation. See notes 1 and 2. |
script | M | 1 | Not specified | Includes a VNF LCM script (e.g. written in a DSL as specified in requirement VNF_PACK.LCM.001) triggered to react to one of the events listed in the event attribute. |
NOTE 1: A minimum set of lifecycle events triggered internally by the VNFM includes: start instantiation, end instantiation, start scaling, end scaling, start healing, end healing, start termination, end termination, start VNF flavour change, end VNF flavour change, start VNF operation state change, end VNF operation state change, start change external VNF connectivity, end change external VNF connectivity. NOTE 2: A minimum set of external stimulus includes: the receipt of request message of instantiation, scaling, healing, termination, change of VNF flavour, change of external VNF connectivity, change of the operation state of the VNF or the receipt of VNF indication with a changed value. | ||||
7.1.14 VnfInfoModifiableAttributes information element (not used)
7.1.14.1 Description
This information element defines the VNF-specific extension and metadata attributes of the VnfInfo that are writeable via the ModifyVnfInfo operation.
7.1.14.2 Attributes
The attributes of the VnfInfoModifiableAttributes information element shall follow the indications provided in table 7.1.14.2-1.
Table 7.1.14.2-1: Attributes of the VnfInfoModifiableAttributes information element
Attribute | Qualifier | Cardinality | Content | Description |
extension | M | 0..N | Not specified | "Extension" attributes of VnfInfo that are writeable. See note. |
metadata | M | 0..N | Not specified | "Metadata" attributes of VnfInfo that are writeable. See note. |
NOTE: The exact data structure describing the attribute is left for data model solution specification, but it should include: name, and any constraints on the values, such as ranges, predefined values, etc. | ||||
7.1.15 NFDescription information element
7.1.15.1 Description
This information element defines the description of the network function.
7.1.15.2 Attributes
Table 7.1.15.2-1: Attributes of the NFDescription information element
Attribute | Qualifier | Cardinality | Content | Description |
nfType |
| 1 | String | Generic description of the type of Network Device (VNF and PNFs). Examples: Router Switch, Firewall, Application Server. |
nfRole |
| 1 | String | Short code that defines a Network Device that the Vendor Software or PNF is providing; Examples of Network_Role: vCE, vARM, vBNG, vPE, vASE, vSeGW (resource models in ASDC). |
nfFunction |
| 1 | String | Provides an English description of Network function that the specific VNF or PNF deployment is providing. Assigned as part of the customization of a VNF in a service: SDN Gateway, Provider Edge Router, Cache. |
nfNamingCode |
| 1 | String | Short code that is used in VNF naming. The NF Code can be the same value or a different value than the NF Role. Naming convention examples: NVP VF Naming Convention: <complex_code><sequence_number><function_code> US Name Example: abrva301vn2 ; MOW Name Example: GBLOND1001vn2 |
NOTE: The exact data structure describing the attribute is left for data model solution specification, but it should include: name, and any constraints on the values, such as ranges, predefined values, etc. | ||||