ResourceDescriptor

generalization

IsASubclass

VNF Virtual Link Descriptor is a Subclass of Resource Descriptor

VNFDesc

association

VNFDescHas

A VNF Descriptor has VNF Virtual Link Descriptors.

Represents the type of network connectivity mandated by the VNF provider between two or more CPs which includes at least one internal CP. 

0..* to 0..1

VirtualLinkDescFlavour

composition

LinkHasFlavors

Describes a specific flavour of the Virtual Link with specific bitrate requirements

1 to 1..*

VNFExtCPDesc

association

InternalVLD

An internal Virtual Link Descriptor to which CPs instantiated from an external CP Descriptor connect.

0..1 to 0..*

VDUCPDesc

association

InternalVLD

An internal Virtual Link Descriptor has internal VDU Conneciton Points to connect.

0..1 to 0..*

AffinityOrAntiAffinityGroup

association

VDLBelongsTo

The affinity or anti-affinity group(s) the VnfVirtualLinkDesc belongs to. 

0..1 to 0..*

localAffinityOrAntiAffinityRule

M

0..*

LocalAffinityOrAntiAffinityRule

Specifies affinity or anti-affinity rules applicable between the VLs based on this VnfVirtualLinkDesc.

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.

maxBitRateRequirements

M

1

LinkBitrateRequirements

Specifies the maximum bitrate requirements for a VL instantiated according to this profile

References: ETSI GS NFV-IFA 011

minBitRateRequirements

M

1

LinkBitrateRequirements

Specifies the minimum bitrate requirements for a VL instantiated according to this profile

References: ETSI GS NFV-IFA 011