Description
A VNFDesc 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.
References: ETSI GS NFV-IFA 011 (VNFD)
Associations
table of relationships
| Related Class | Type | Name | Description | Cardinality | Discussed |
|---|---|---|---|---|---|
| ResourceDescriptor | generalization | IsASubclass | VNF Descriptor is a Subclass of Resource Descriptor | ||
VDUDesc (IFA011: Vdu) | association | VNFDescComposedOf | A VNF Descriptor is composed of one or more VDU Descriptors | 1 to 1..* | yes |
| VirtualStorageDesc | association | VNFDescUses | A VNF Descriptor uses 0 or more Virtual Storage Descriptors | 0..1 to 0..* | yes |
| VNFVirtualLinkDesc | association | VNFDescHas | A VNF Descriptor has 0 or more Virtual Link Descriptors | 0..1 to 0..* | yes |
| VNFDeploymentFlavor | association | VNFDescHas | A VNF Descriptor has 1 or more Flavors | 0..1 to 1..* | yes |
| LifeCycleManagementOperationDesc | association | VNFDescOperations | A VNF Descriptor has 0 or more Lifecycle Management Operation Descriptors | 0..1 to 0..* | |
| VNFExtCPDesc | assocation | VNFDescHas | A VNF Descriptor has 1 or more External Connection Point Descriptors | 0..1 to 1..* | yes |
Attributes
table of attributes
| Attribute | Qualifier | Cardinality | Content | Description | Discussed |
|---|---|---|---|---|---|
| vnfProvider | M | 1 | String | Provider of the VNFD. | yes |
| vnfProductName | M | 1 | String | Name to identify the VNF Product. Invariant for the VNF Product name for lifetime of the VNF. | yes |
| vnfSoftwareVersion | M | 1 | String | Software version of the VNF. This is changed when there is any change to the software that is included in the VNF Package. | yes |
| vnfdVersion | M | 1 | String | Version of the VNFD. | yes |
| vnfProductInfoName | M | 0..1 | String | Human readable name for the VNF Product. Can change during the VNF Product lifetime. | yes |
| vnfProductInfoDescription | M | 0..1 | String | Human readable description of the VNF Product. Can change during the VNF Product lifetime. | yes |
| vnfmInfo | M | 0..* | String | Identifies VNFM(s) compatible with the VNF described in this version of the VNFD. References: ETSI GS NFV-IFA 011 | yes |
| configurableProperties | M | 0..1 | ConfigurableProperties | Describes the configurable properties of the VNF (e.g. related to auto scaling and auto healing). | |
| modifiableAttributes | M | 0..* | NameValuePair | Describes the VNF-specific attributes that are modifiable. | |
| vnfIndicator | M | 0..* | NameValuePair | Declares the VNF indicators that are supported by this VNF, along with allowed values. | |
| autoScale | M | 0..* | String | 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). | |
| guide | M | 1 | String | UUID of the vendor guide/documentation which is attached to VNF and can be downloaded from the model. | |
| logo | O | 0..1 | String | Path of the vendor specified logo | |
| vendorModelNumber | M | 1 | String | Vendor's model number for the VNF. |