This page shows the extensions and changes made in R3 clean version VNFD model compared with ETSI IFA011 v2.5.1.
The analysis is based on Comparison of Current R3 Clean Version with IFA011 v2.5.1.
BOLD BLUE text indicates those enhancements ONAP has made and would like to propose back to the ETSI community. And BOLD PURPLE text represents candidates for deprecation in support of HPA.
Class: Vnfd
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.
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type | Category | Rationale |
|---|---|---|---|---|---|---|---|
| vnfmInfo | String | 0..* | Identifies VNFM(s) compatible with the VNF described in this version of the VNFD. | OpenModelAttribute
| attribute | value specified | |
| localizationLanguage | String | 0..* | Information about localization languages of the VNF (includes e.g. strings in the VNFD). NOTE: This allows to provide one or more localization languages to support selecting a specific localization language at VNF instantiation time. | OpenModelAttribute
| attribute | value specified | |
| defaultLocalizationLanguage | String | 0..1 | Default localization language that is instantiated if no information about selected localization language is available. | OpenModelAttribute
| attribute | value specified | |
| vnfReservedCpd | VduCpd | 0..* | 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. | OpenModelAttribute
| association | new attribute | |
| modifiableAttributes | VnfInfoModifiableAttributes | 1 (IFA has 0..1) | Describes the modifiable attributes of the VNF. | OpenModelAttribute
| attribute | cardinality change | |
| logo | String | 0..1 | File path of the vendor specified logo. | OpenModelAttribute
| attribute | new attribute | |
| guide | String | 0..1 | UUID of the vendor guide/documentation which is attached to VNF and can be downloaded from the model. | OpenModelAttribute
| attribute | new attribute |
Class: Vdu
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).
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type | Category | Rationale |
|---|---|---|---|---|---|---|---|
| nfviConstraint | KeyValuePair | 0..* | 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. NOTE: 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. | OpenModelAttribute
| attribute | value specified | |
| injectFiles | String | 0..* | Describes the information (e.g. URL) about the scripts, config drive metadata, etc. which can be used during Vdu booting process. | OpenModelAttribute
| attribute | new attribute |
Class: VirtualComputeDesc
The VirtualComputeDesc class supports the specification of requirements related to virtual compute resources.
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type | Category | Rationale |
|---|---|---|---|---|---|---|---|
| requestAdditionalCapabilities | RequestedAdditionalCapabilityData | 0..* | Specifies requirements for additional capabilities. These may be for a range of purposes. One example is acceleration related capabilities. | OpenModelAttribute
| attribute | deprecate | |
| computeRequirements | KeyValuePair | 0..* | Specifies compute requirements. | OpenModelAttribute
| attribute | value specified |
Datatype: VirtualCpuData
The VirtualCpuData information element supports the specification of requirements related to virtual CPU(s) of a virtual compute resource.
Applied Stereotypes:
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Category | Rationale |
|---|---|---|---|---|---|---|
| virtualCpuOversubscriptionPolicy | 0..1 | 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. | OpenModelAttribute
| deprecate | ||
| vduCpuRequirements | Not specified (what do we recommend?) | 0..* | Array of key-value pair requirements on the Compute (CPU) for the VDU. | OpenModelAttribute
| value specified | |
| virtualCpuPinning | VirtualCpuPinningData | 0..1 | The virtual CPU pinning configuration for the virtualised compute resource. | OpenModelAttribute
| deprecate |
Datatype: VirtualMemoryData
The VirtualMemoryData information element supports the specification of requirements related to virtual memory of a virtual compute resource.
Applied Stereotypes:
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Category | Rationale |
|---|---|---|---|---|---|---|
| virtualMemOversubscriptionPolicy | 0..1 | 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. | OpenModelAttribute
| deprecate | ||
| vduMemRequirements | KeyValuePair | 0..* | Array of key-value pair requirements on the memory for the VDU. | OpenModelAttribute
| value specified | |
| numaEnabled | Boolean | 0..1 | It specifies the memory allocation to be cognizant of the relevant process/core allocation. The cardinality can be 0 during the allocation request, if no particular value is requested. | OpenModelAttribute
| deprecate |
Class: VirtualStorageDesc
The VirtualStorageDesc information element supports the specifications of requirements related to persistent virtual storage resources. Ephemeral virtual storage is specified in VirtualComputeDesc information element.
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type | Category | Rationale |
|---|---|---|---|---|---|---|---|
vduStorageRequirements This is moved to BlockStorageData | KeyValuePair | 0..* | An array of key-value pairs that articulate the storage deployment requirements. | OpenModelAttribute
| attribute | value specified | |
rdmaEnabled This is moved to BlockStorageData | Boolean | 0..1 | Indicate if the storage support RDMA. | OpenModelAttribute
| attribute | deprecate |
Class: LogicalNodeData NOTE: In IFA011 v2.5.1 this is changed to class LogicalNodeRequirements
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.
Applied Stereotypes:
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Category | Rationale |
|---|---|---|---|---|---|---|
logicalNodeRequirementDetail | KeyValuePair | 1..* | 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. | OpenModelAttribute
| value specified |
Class: Cpd
The Cpd class specifies the characteristics of connection points attached to NFs and NSs. This is an abstract class used as parent for the various Cpd classes.
Note 1: the description of this class is different in ETSI GS NFV IFA 011 and ETSI GS NFV IFA 014. The present definition uses the definition in ETSI GS NFV IFA 014 as it is the more general.
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type | Category | Rationale |
|---|---|---|---|---|---|---|---|
allowedAddressData Note: propose to move this out of common definition of Cpd as it is specified to VNFD. | AddressData | 0..N | For specifying floating IP(s) to be shared among Cpds, which are reserved for vnfReservedCpd described in the VNFD. | OpenModelAttribute
| attribute | new attribute |
Class: VduCpd
Describes network connectivity between a VNFC instance (based on this VDU) and an internal Virtual Link.
Parent class: Cpd
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type | Category | Rationale |
|---|---|---|---|---|---|---|---|
vnicName | String | 0..1 | Describes the name of the vNIC this CP attaches to, e.g. eth0. It will be configured during the Vdu booting process. | OpenModelAttribute
| attribute | new attribute |
Class: VduProfile
The VduProfile describes additional instantiation data for a given VDU used in a DF.
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type | Category | Rationale |
|---|---|---|---|---|---|---|---|
| watchdog | String | 0..1 | Watchdog action to be triggered by the VIM for the VNF in case the heart beat fails, e.g. reset or hard shutdown, etc. | OpenModelAttribute
| Attribute | new attribute | |
| vmBootUpTimeOut | Integer | 0..1 | Timeout value for the VNFM to wait before the successful booting up of the VDU. | OpenModelAttribute
| Attribute | new attribute |
Class: VirtualNetworkInterfaceRequirements
This class specifies requirements on a virtual network interface.
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type | Category | Rationale |
|---|---|---|---|---|---|---|---|
| networkInterfaceRequirements | KeyValuePair | 0..* | The network interface requirements. An element from an array of key-value pairs that articulate the network interface deployment requirements. | OpenModelAttribute
| Attribute | value specified |
Class: VnfVirtualLinkDesc
Represents the type of network connectivity mandated by the VNF vendor between two or more Connection Points which includes at least one Internal Connection Point.
Parent class: VirtualLinkDesc *** NOTE: Model has this class, but not IFA011. ONAP has not defined this class *** - New parent class defined
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type |
|---|---|---|---|---|---|
virtualLinkDescId | Identifier | 1 | Unique identifier of this internal VLD in VNFD.B Model definition: Uniquely identifies a VLD in the parent descriptor. (this is because you can have VnfVirtualLinkDesc and NsVirtualLinkDesc) | Note: Inherited from Class VirtualLinkDesc OpenModelAttribute
| Attribute |
| connectivityType | ConnectivityType | 1 | Model defines this as: Specifies the protocol exposed by a VL and the flow pattern supported by the VL. | Note: Inherited from Class VirtualLinkDesc OpenModelAttribute
| Attribute |
| testAccess | String | 0..* | Specifies test access facilities expected on the VL (e.g. none, passive monitoring, or active (intrusive) loopbacks at endpoints). | Note: Inherited from Class VirtualLinkDesc OpenModelAttribute
| Attribute |
| description | String | 0..1 | Provides human-readable information on the purpose of the VL (e.g. control plane traffic). | Note: Inherited from Class VirtualLinkDesc OpenModelAttribute
| Attribute |
Class: VnfDf
A specific deployment version of a VNF with specific requirements for capacity and performance
Applied Stereotypes:
- OpenModelClass
support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type | Category | Rationale |
|---|---|---|---|---|---|---|---|
| placementGroup | PlacementGroup | 0..* | Determine where VNFC's (VDU's) are placed with respect to the VNF | OpenModelAttribute
| Association | new attribute | |
| baseConfigGroup | BaseConfigGroup | 0..1 |
| OpenModelAttribute
Experimental | Association | new attribute | |
| deploymentGroup | DeploymentGroup | 1..* | DeploymentGroup provides the minimum viable VDU and associated VNFC configuration for a useable VNF. | OpenModelAttribute
Experimental | Association | new attribute |
Class: VirtualLinkProfile
The VirtualLinkProfile class specifies a profile for instantiating VLs of a particular NS DF according to a specific VLD and VL DF.
Applied Stereotypes:
- OpenModelClass
- support: MANDATORY
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | AttributeType | Category | Rationale |
|---|---|---|---|---|---|---|---|
virtualLinkProfileId Note: This is missing in IFA011 but is in the model. This is a necessary attribute in order to instantiate the class | Identifier | 1 | Uniquely identifies this VirtualLinkProfile class. | OpenModelAttribute
| Attribute | new attribute | |
| initiationParameters | KeyValuePair | 0..* | Specifies initiation parameters for the virtual link. | OpenModelAttribute
valueRange: specified values include: cidr, allocationPools (represented by [starting ip address, ending ip address]), gatewayIp, networkName, segmentationId, physicalNetwork. Note: Incorrect usage of valueRange, remove this and put in the description | Attribute | new attribute | |
| networkType | Enum Note: What which enum? Give it a name. | 0..1 | Type of the network. | OpenModelAttribute
valueRange: "VLAN", "VXLAN" Note: incorrect usage of valueRange. It is not intended to define enums | Attribute | new attribute | |
| dhcpEnabled | Boolean | 0..1 | Indicating whether DHCP is enabled. Default is "FALSE" if not specified otherwise. | OpenModelAttribute
| Attribute | new attribute | |
| vlanTransparent | Boolean | 0..1 | Indicating whether "VLAN Transparent Mode" is supported. Default is "FALSE" if not specified otherwise. | OpenModelAttribute
| Attribute | new attribute |
Datatype: VnfcConfigurableProperties
This datatype defines the configurable properties of a VNFC. For a VNFC instance, the value of these properties can be modified through the VNFM.
Applied Stereotypes:
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Category | Rationale |
|---|---|---|---|---|---|---|
additionalVnfcConfigurableProperty | String | 0..N | It provides VNFC 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. | OpenModelAttribute
| data type specified |
Datatype: LifecycleManagementScript
Note: In the model this is called VnfLifecycleManagementScript to distinguish it from NsLifecycleManagementScript. Would this be the abstract class in Common?
Defines the information elements related to the lifecycle management script for the VNF.
Applied Stereotypes:
- Preliminary
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Category | Rationale |
|---|---|---|---|---|---|---|
| scriptInput | KeyValuePair | 0..* | Array of KVP requirements with the key as the parameter name and the value as the parameter that need to be passed as an input to the script. NOTE: The scriptInput values are passed to the scripts in addition to the parameters received in the operation invocation request or indicator value change. | OpenModelAttribute
| data type specified |
Class: PlacementGroup (Experimental) - New Class
| Attribute Name | Type | Multiplicity | Description | Applied Stereotypes | Attribute Type |
|---|---|---|---|---|---|
| elementGroupId | Identifier | 1 | Unique identifier of this group in the VNFD. | OpenModelAttribute
| Attribute |
| placementStrategy | Enum Define an actual enum type with values: COLOCATION, ISOLATION, and EXCLUSIVELY | 1 | Determine where VNFC's (VDU's) are placed with respect to the VNF. | OpenModelAttribute
valueRange: "co-location", "isolation", "exclusively" NOTE:
Incorrect use of valueRange | Attribute |
| vnfcMembers | Not specified (should it be Identifier (Reference to Vdu)?) Good question. If it is the end of an association is should be type Vdu? | 0..N | References to Vdus that are part of this group. | OpenModelAttribute
| Association? |
| strategyScope | Enum Define an actual enum with values: HOST, and RACK | 1 | indicate if the strategy is applied at the host or rack level | OpenModelAttribute
valueRange: "host", "rack" Incorrect usage of valueRange | Attribute |