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Table of Contents

Class Diagram

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Classes

NSD - Network Service Descriptor

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The NsVirtualLinkDesc class provides general information enabling the instantiation of virtual links. For all attributes in this class the Product Producer is SDC and the Consumer is SDC/UUI/VFC.

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  • Preliminary
  • OpenModelClass
    • support: MANDATORY

 


Attribute Name

Type

Mult.

Stereotypes

Description

vitualLinkDescProvider

String

0..1

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

Defines the organization generating the VLD.

 

 



virtuaLinkDescVersion

Version

1

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

Specifies the version of the VLD.

 

 



virtualLinkDf

VirtualLinkDf

1

..*

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

Specifies properties for instantiating a VL according to a specific flavour.

 

 



virtualLinkDescId

Identifier

1

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

Uniquely identifies a VLD in the parent descriptor. For VnfVirtualLinkDesc, the parent descriptor is the VNFD. For NsVirtualLinkDesc, the parent descriptor is the NSD. Note: the description of this class are different in ETSI GS NFV IFA 011 and ETSI GS NFV IFA 014. The present definition merges the 2 definitions.

 

 



connectivityType

ConnectivityType

1

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

Specifies the protocol exposed by a VL and the flow pattern supported by the VL.

 

 



description

String

0..1

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

Provides human-readable information on the purpose of the VL (e.g. control plane traffic).



VnfdAssociation0..* to 0..*

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

Vnfd binds to an NS Virtual Link Descriptor via VNF external CPs.

VNF extenrnal CPs are exposed to NSD via VNFD

Pnfd

Association0..* to 0..*

Experimental

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support: 

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  • MANDATORY

PNFD binds to an NS Virtual Link Descriptor via PNF external CPs.

PNF extenrnal CPs are exposed to NSD via PNFD


Vnfd - VNF Descriptor

See VNFD Model

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Attribute Name

Type

Mult.

Access

Stereotypes

Description

flavourId

Identifier

1

RW

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

 Identifies this VirtualLinkDF datatype within a VLD.



qos

NsQoS

0..1

RW

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

 Specifies quality of service parameters applicable to a VL.



serviceAvaibilityLevel

Enum

ServiceAvailabilityLevel

0..1

RW

Preliminary

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

 Specifies one of the three levels defined in ETSI GS NFV-REL 001: • Level 1 • Level 2 • Level 3



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The ConnectivityType datatype specifies the protocol exposed by a VL and the flow pattern supported by the VL.

Attribute Name

Type

Mult.

Access

Stereotypes

Description

layerProtocol

LayerProtocol


1

RW

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

 Identifies the protocol this VL gives access to (Ethernet, MPLS, ODU2, IPV4, IPV6, Pseudo-Wire).

 

 



flowPattern

String

0..1

RW

OpenModelAttribute

  • isInvariant: false
  • valueRange:  no range constraint
  • support:  MANDATORY

 Identifies the flow pattern of the connectivity (Line, Tree, Mesh).

 

 




NsQos

The NsQoS datatype specifies quality of service parameters applicable to a NS VL.

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  •  LEVEL_1
  •  LEVEL_2
  •  LEVEL_3

LayerProtocol

Identifies the protocol this VL gives access to (IPV4, IPV6)

 

Contains Enumeration Literals:

  •  ETHERNET:
  •  MPLS:
  •  ODU2:
  •  IPV4:
  •  IPV6: PSEUDOWIRE:

Primitives

Number

This primitive type is a superset of the standard UML numbering primitives, e.g. Integer and Real.

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