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"The VHDX disk format, an enhanced version of the
VHD format, which supports larger disk sizes among
other features.";
}
enum "vmdk" {
description
"Common disk format supported by many common virtual
machine monitors.";
}
}
description
"The disk format of a software image is the format of
the underlying disk image.";
}
leaf min-disk {
type uint64;
units "Gb";
description
"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.";
reference
"GS NFV IFA011: Section 7.1.6.5, SwImageDesc
information element.";
}
leaf min-ram {
type decimal64 {
fraction-digits 1;
range "0..max";
}
units "Gb";
description
"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.";
reference
"GS NFV IFA011: Section 7.1.6.5, SwImageDesc
information element.";
}
leaf size {
type uint64;
units "Gb";
description
"The size of this software image.";
reference
"GS NFV IFA011: Section 7.1.6.5, SwImageDesc
information element.";
}
leaf image {
mandatory true;
type inet:uri;
description
"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";
reference
"GS NFV IFA011: Section 7.1.6.5, SwImageDesc
information element.";
}
leaf operating-system {
type string;
description
"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.";
reference
"GS NFV IFA011: Section 7.1.6.5, SwImageDesc
information element.";
}
leaf-list supported-virtualization-environment {
type string;
description
"Identifies the virtualisation environments
(e.g. hypervisor) compatible with this software
image.";
reference
"GS NFV IFA011: Section 7.1.6.5, SwImageDesc
information element.";
}
}
list int-virtual-link-desc {
key "id";
description
"Represents the type of network connectivity mandated by the
VNF provider between two or more CPs which includes at
least one internal CP.";
reference
"GS NFV IFA011: Section 7.1.2, Vnfd information element.";
leaf id {
type string;
description
"Unique identifier of this internal VLD in VNFD.";
reference
"GS NFV IFA011: Section 7.1.7.2, VnfVirtualLinkDesc
Information elements.";
}
list desc-flavor {
key "id";
description
"Describes a specific flavour of the VL with specific
bitrate requirements.";
reference
"GS NFV IFA011: Section 7.1.7.2, VnfVirtualLinkDesc
Information elements.";
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leaf id {
type string;
description
"Identifies a flavour within a VnfVirtualLinkDesc.";
reference
"GS NFV IFA011: Section 7.1.8.5, VirtualLinkDescFlavor
information element.";
}
container qos {
description
"QoS of the VL.";
reference
"GS NFV IFA011: Section 7.1.8.5, VirtualLinkDescFlavor
information element.";
leaf latency {
type uint32;
units "ms";
mandatory true;
description
"Specifies the maximum latency in ms.";
reference
"GS NFV IFA011: Section 7.1.8.10, QoS information
element.";
}
leaf packet-delay-variation {
type uint32;
units "ms";
mandatory true;
description
"Specifies the maximum jitter in ms.";
reference
"GS NFV IFA011: Section 7.1.8.10, QoS information
element.";
}
leaf packet-loss-ratio {
type decimal64 {
fraction-digits "2";
range "0..1.00";
}
description
"Specifies the maximum packet loss ratio.";
reference
"GS NFV IFA011: Section 7.1.8.10, QoS information
element.";
}
}
}
uses common:connectivity-type;
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leaf-list test-access {
type string;
description
"Specifies test access facilities expected on the VL
(e.g. none, passive monitoring, or active (intrusive)
loopbacks at endpoints.";
reference
"GS NFV IFA011: Section 7.1.7.2, VnfVirtualLinkDesc
information element.";
}
leaf description {
type string;
description
"Provides human-readable information on the purpose of
the VL (e.g. control plane traffic).";
reference
"GS NFV IFA011: Section 7.1.7.2, VnfVirtualLinkDesc
information element.";
}
list monitoring-parameter {
key "id";
leaf id {
type string;
description
"Unique identifier of the monitoring parameter.";
reference
"GS NFV IFA011: Section 7.1.11.3, MonitoringParameter
information element.";
}
list ext-cpd {
key "id";
min-elements 1;
description
"Describes an external interface exposed by this VNF enabling
connection with a Virual Link";
reference
"GS NFV IFA011: Section 7.1.2, VNFD information element.";
description
"Reference to the internal Virtual Link Descriptor (VLD)
to which CPs instantiated from this external CP
Descriptor (CPD) connect. Either intVirtualLinkDesc or
intCpd shall be present.";
type leafref {
path "../../nfv:int-virtual-link-desc/nfv:id";
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}
}
/*
intCpd
we reference from the VDU's CP to the ext-CP instead of the
ext-CP to the VDU's CP.
*/
uses virtual-network-interface-requirements;
uses cpd;
}
list deployment-flavor {
must "nfv:default-instantiation-level or " +
"count(nfv:instantiation-level) = 1";
key "id";
min-elements 1;
description
"Describes a specific Deployment Flavour (DF) of a VNF with
specific requirements for capacity and performance.";
reference
"GS NFV IFA011: Section 7.1.2, VNFD information element.";
leaf id {
type string;
description
"Identifier of this DF within the VNFD.";
reference
"GS NFV IFA011: Section 7.1.8, Information elements
to the DeploymentFlavor.";
}
leaf description {
type string;
description
"Human readable description of the deployment flavor";
reference
"GS NFV IFA011: Section 7.1.8, Information elements
to the DeploymentFlavor.";
}
list vdu-profile {
key "id";
min-elements 1;
description
"The Vduprofile describes additional instantiation data for
a given VDU used in a deployment flavour.";
reference
"GS NFV IFA011: Section 7.1.8, Information elements
to the DeploymentFlavor.";
leaf id {
type leafref {
path "../../../nfv:vdu/nfv:id";
}
reference
"GS NFV IFA011: Section 7.1.8.3, VduProfile information
element.";
}
leaf min-number-of-instances {
type uint16;
mandatory true;
description
"Minimum number of instances of the VNFC based on this
VDU that is permitted to exist for this flavour.";
reference
"GS NFV IFA011: Section 7.1.8.3, VduProfile information
element.";
}
leaf max-number-of-instances {
type uint16;
mandatory true;
must ". >= ../nfv:min-number-of-instances";
reference
"GS NFV IFA011: Section 7.1.8.3, VduProfile information
element.";
}
uses common:local-affinity-or-anti-affinity-rule;
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list affinity-or-anti-affinity-group {
key "id";
description
"Identifier(s) of the affinity or anti-affinity
group(s) the VDU belongs to.";
reference
"GS NFV IFA011: Section 7.1.8.3, VduProfile information
element.";
leaf id {
type leafref {
path "../../../" +
"nfv:affinity-or-anti-affinity-group/" +
"nfv:id";
}
description
"Identifies an affinity or anti-affinity group to
which the affinity or anti-affinity rule applies.";
reference
"GS NFV IFA011: Section 7.1.8.12, AffinityOrAntiAffinity
information element.";
}
leaf type {
type enumeration {
enum affinity;
enum anti-affinity;
}
description
"Specifies whether the rule is an affinity rule or an
anti-affinity rule.";
reference
"GS NFV IFA011: Section 7.1.8.12, AffinityOrAntiAffinity
information element.";
}
leaf scope {
description
"Specifies the scope of the rule, possible values are
'NFVI-PoP', 'Zone', 'ZoneGroup', 'NFVI-node'";
reference
"GS NFV IFA011: Section 7.1.8.12, AffinityOrAntiAffinity
information element.";
}
}
}
list virtual-link-profile {
key "id flavor";
description
"Defines the internal VLD along with additional data which
is used in this DF.";
reference
"GS NFV IFA011: Section 7.1.8.2, VnfDf information
element.";
leaf id {
type leafref {
path "../../../nfv:int-virtual-link-desc/nfv:id";
}
description
"Uniquely identifies a Vnf VLD.";
reference
"GS NFV IFA011: Section 7.1.8.4, VirtualLinkProfile
information element.";
}
leaf flavor {
type leafref {
path "deref(../../../ext-cpd/int-virtual-link-desc)" +
"/../desc-flavor/id";
}
description
"Identifies a flavour within the VnfVirtualLinkDesc.";
reference
"GS NFV IFA011: Section 7.1.8.4, VirtualLinkProfile
information element.";
}
uses common:local-affinity-or-anti-affinity-rule;
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list affinity-or-anti-affinity-group {
key "id";
leaf id {
type leafref {
path "../../../" +
"nfv:affinity-or-anti-affinity-group/" +
"nfv:id";
}
}
description
"Identifier(s) of the affinity or anti-affinity
group(s) the VnfVirtualLinkDesc belongs to.";
reference
"GS NFV IFA011: Section 7.1.8.4, VirtualLinkProfile
information element.";
}
}
list instantiation-level {
key "id";
min-elements 1;
description
"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.
The InstantiationLevel information element describes a
given level of resources to be instantiated within a
deployment flavour 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 deployment flavour and their number shall
be within the range (min/max) for this deployment flavour.";
reference
"GS NFV IFA011: Section 7.1.8.2 VnfDf information element";
leaf id {
type string;
description
"Uniquely identifies a level with the DF.";
reference
"GS NFV IFA011: Section 7.1.8.7 InstantiationLevel
information element";
}
leaf description {
type string;
description
"Human readable description of the instantiation level";
reference
"GS NFV IFA011: Section 7.1.8.7 InstantiationLevel
information element";
}
list vdu-level {
key "id";
min-elements 1;
description
"Sets the number of instances for the VDU in this
instantiation level.";
reference
"GS NFV IFA011: Section 7.1.8.7 InstantiationLevel
information element";
leaf id {
type leafref {
path "../../../../nfv:vdu/nfv:id";
}
description
"Uniquely identifies a VDU.";
reference
"GS NFV IFA011: Section 7.1.8.9 VduLevel information
element";
}
leaf number-of-instances {
type uint16;
must ". <= ../../../../nfv:deployment-flavor/" +
"nfv:vdu-profile[id=current()]/" +
"nfv:max-number-of-instances";
must ". >= ../../../../nfv:deployment-flavor/" +
"nfv:vdu-profile[id=current()]/" +
"nfv:min-number-of-instances";
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mandatory true;
description
"Number of instances of VNFC based on this VDU to
deploy for this level.";
reference
"GS NFV IFA011: Section 7.1.8.9 VduLevel information
element";
}
}
list scaling-info {
key "id";
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.";
reference
"GS NFV IFA011: Section 7.1.8.7 InstantiationLevel
information element";
leaf id {
type leafref {
path "../../../nfv:scaling-aspect/nfv:id";
}
description
"Identifier of the scaling aspect.";
reference
"GS NFV IFA011: Section 7.1.8.8 ScaleInfo information
element";
}
leaf scale-level {
type uint32;
description
"The scale level, greater than or equal to 0.";
reference
"GS NFV IFA011: Section 7.1.8.8 ScaleInfo information
element";
}
}
}
leaf default-instantiation-level {
type leafref {
path "../nfv:instantiation-level/nfv:id";
}
description
"This attribute references the 'instantiationLevel'
entry which defines the default instantiation level for
this DF. It shall be present if there are multiple
'instantiationLevel' entries.";
reference
"GS NFV IFA011: Section 7.1.8.2 VnfDf information
element";
}
leaf-list supported-operation {
type identityref {
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}
description
"Indicates which operations are available for this DF via
the VNF LCM interface. Instantiate VNF, Query VNF and
Terminate VNF are supported in all DF and therefore
need not be included in this list.";
reference
"GS NFV IFA011: Section 7.1.8.2 VnfDf information
element";
}
container lcm-operations-configuration {
description
"This information element is a container for all
attributes that affect the invocation of the VNF
Lifecycle Management operations, structured by
operation.";
reference
"GS NFV IFA011: Section 7.1.8.2 VnfDf information
element";
leaf instantiate-vnf-op-config {
type string;
description
"Configuration parameters for the InstantiateVnf
operation.";
reference
"GS NFV IFA011: Section 7.1.5.2
VnfLcmOperationsConfiguration information element";
}
container scale-vnf-op-config {
description
"Configuration parameters for the ScaleVnf operation.";
reference
"GS NFV IFA011: Section 7.1.5.2
VnfLcmOperationsConfiguration information element";
list parameter {
key "key";
leaf key {
type string;
}
leaf value {
type string;
}
description
"VNF-specific parameter to be passed when invoking
the ScaleVnf operation.";
reference
"GS NFV IFA011: Section 7.1.5.4 ScaleVnfOpConfig
information element";
}
leaf scaling-by-more-than-one-step-supported {
type boolean;
default false;
description
"Signals whether passing a value larger than one in
the numScalingSteps parameter of the ScaleVnf
operation is supported by this VNF.
Default is FALSE, i.e. 'not supported'.";
reference
"GS NFV IFA011: Section 7.1.5.4
ScaleVnfOpConfig information element";
}
}
container scale-vnf-to-level-op-config {
description
"This information element defines attributes that
affect the invocation of the ScaleVnfToLevel
operation.";
reference
"GS NFV IFA011: Section 7.1.5.2
VnfLcmOperationsConfiguration information element";
list parameter {
key "key";
leaf key {
type string;
}
leaf value {
type string;
}
description
"VNF-specific parameter to be passed when invoking
the ScaleVnfToLevel operation.";
reference
"GS NFV IFA011: Section 7.1.5.5
ScaleVnfToLevelOpConfig information element";
}
leaf arbitrary-target-levels-supported {
type boolean;
description
"Signals whether scaling according to the parameter
'scaleInfo' is supported by this VNF.";
reference
"GS NFV IFA011: Section 7.1.5.5
ScaleVnfToLevelOpConfig information element";
}
}
container heal-vnf-op-config {
description
"This information element defines attributes that
affect the invocation of the HealVnf operation.";
reference
"GS NFV IFA011: Section 7.1.5.2
VnfLcmOperationsConfiguration information element";
leaf parameter {
type string;
description
"VNF-specific parameter to be passed when invoking
the HealVnf operation.";
reference
"GS NFV IFA011: Section 7.1.5.6 HealVnfOpConfig
information element";
}
leaf cause {
type string;
description
"Supported 'cause' parameter values.";
reference
"GS NFV IFA011: Section 7.1.5.6 HealVnfOpConfig
information element";
}
}
container terminate-vnf-op-config {
description
"This information element defines attributes that
affect the invocation of the TerminateVnf operation.";
reference
"GS NFV IFA011: Section 7.1.5.2
VnfLcmOperationsConfiguration information element";
leaf min-graceful-termination {
type yang:timeticks;
description
"Minimum timeout value for graceful termination of
a VNF instance.";
reference
"GS NFV IFA011: Section 7.1.5.7
TerminateVnfOpConfig information element";
}
leaf max-recommended-graceful-termination {
type yang:timeticks;
description
"Maximum recommended timeout value that can be needed
to gracefully terminate a VNF instance of a
particular type under certain conditions, such as
maximum load condition. This is provided by VNF
provider as information for the operator
facilitating the selection of optimal timeout value.
This value is not used as constraint.";
reference
"GS NFV IFA011: Section 7.1.5.7
TerminateVnfOpConfig information element";
}
}
container operate-vnf-op-config {
description
"This information element defines attributes that
affect the invocation of the OperateVnf operation.";
reference
"GS NFV IFA011: Section 7.1.5.2
VnfLcmOperationsConfiguration information element";
leaf min-graceful-stop-timeout {
type yang:timeticks;
description
"Minimum timeout value for graceful stop of a VNF
instance.";
reference
"GS NFV IFA011: Section 7.1.5.8
OperateVnfOpConfig information element";
}
leaf max-recommended-graceful-stop-timeout {
type yang:timeticks;
description
"Maximum recommended timeout value that can be
needed to gracefully stop a VNF instance of a
particular type under certain conditions, such as
maximum load condition. This is provided by VNF
provider as information for the operator facilitating
the selection of optimal timeout value. This value
is not used as constraint.";
reference
"GS NFV IFA011: Section 7.1.5.8
OperateVnfOpConfig information element";
}
}
}
list affinity-or-anti-affinity-group {
key "id";
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.";
reference
"GS NFV IFA011: Section 7.1.8.2 VnfDf information
element";
leaf id {
type string;
description
"Identifies an affinity or anti-affinity group to which
the affinity or anti-affinity rule applies.";
reference
"GS NFV IFA011: Section 7.1.8.12
AffinityOrAntiAffinityGroup information element";
}
leaf type {
mandatory true;
description
"Specifies whether the rule is an affinity rule or an
anti-affinity rule.";
reference
"GS NFV IFA011: Section 7.1.8.12
AffinityOrAntiAffinityGroup information element";
}
leaf scope {
mandatory true;
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description
"Specifies the scope of the rule, possible values are
'NFVI-PoP', 'Zone', 'ZoneGroup', 'NFVI-node'.";
reference
"GS NFV IFA011: Section 7.1.8.12
AffinityOrAntiAffinityGroup information element";
}
}
list monitoring-parameter {
key "id";
description
"Defines the virtualised resources monitoring parameters
on VNF level.";
reference
"GS NFV IFA011: Section 7.1.8.2 VnfDf information
element";
leaf id {
type string;
description
"Unique identifier of the monitoring parameter.";
reference
"GS NFV IFA011: Section 7.1.11.3 MonitoringParameter
information element";
}
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}
list scaling-aspect {
key "id";
description
"The scaling aspects supported by this DF of the VNF.
scalingAspect shall be present if the VNF supports
scaling.";
reference
"GS NFV IFA011: Section 7.1.8.2 VnfDf information
element";
leaf id {
type string;
description
"Unique identifier of this aspect in the VNFD.";
reference
"GS NFV IFA011: Section 7.1.10.2 ScalingAspect
information element";
}
leaf name {
type string;
description
"Human readable name of the aspect.";
reference
"GS NFV IFA011: Section 7.1.10.2 ScalingAspect
information element";
}
leaf description {
type string;
description
"Human readable description of the aspect.";
reference
"GS NFV IFA011: Section 7.1.10.2 ScalingAspect
information element";
}
leaf associated-group {
type leafref {
path "../../../nfv:element-group/nfv:id";
}
description
"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.";
reference
"GS NFV IFA011: Section 7.1.10.2 ScalingAspect
information element";
}
leaf max-scale-level {
type uint32 {
range "1..max";
}
description
"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.";
reference
"GS NFV IFA011: Section 7.1.10.2 ScalingAspect
information element";
}
}
}
container configurable-properties {
description
"Describes the configurable properties of the VNF
(e.g. related to auto scaling and auto healing).";
reference
"GS NFV IFA011: Section 7.1.2 VNFD information element";
leaf auto-scalable {
type boolean;
description
"It permits to enable (TRUE) / disable (FALSE) the
auto-scaling functionality.";
reference
"GS NFV IFA011: Section 7.1.12 VnfConfigurableProperties
information element";
}
leaf auto-healable {
type boolean;
description
"It permits to enable (TRUE) / disable (FALSE) the
auto-healing functionality.";
reference
"GS NFV IFA011: Section 7.1.12 VnfConfigurableProperties
information element";
}
leaf-list additional-configurable-property {
type string;
description
"It provides VNF specific configurable properties that can
be modified using the ModifyVnfConfiguration operation.";
reference
"GS NFV IFA011: Section 7.1.12 VnfConfigurableProperties
information element";
}
}
container modifiable-attributes {
description
"Describes the modifiable attributes of the VNF.";
reference
"GS NFV IFA011: Section 7.1.2 VNFD information element";
leaf-list extension {
type string;
description
"'Extension' attributes of VnfInfo that are writeable.";
reference
"GS NFV IFA011: Section 7.1.14 VnfInfoModifiableAttributes
information element";
}
leaf-list metadata {
type string;
description
"'Metadata' attributes of VnfInfo that are writeable.";
reference
"GS NFV IFA011: Section 7.1.14 VnfInfoModifiableAttributes
information element";
}
}
list lifecycle-management-script {
key "event";
description
"Includes a list of events and corresponding management
scripts performed for the VNF.";
reference
"GS NFV IFA011: Section 7.1.2 VNFD information element";
leaf event {
type common:lifecycle-management-script-event;
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description
"Describes VNF lifecycle event(s) or an external stimulus
detected on a VNFM reference point.";
reference
"GS NFV IFA011: Section 7.1.13 LifeCycleManagementScript
information element";
}
leaf lcm-transition-event {
type string;
description
"Describes the transition VNF lifecycle event(s) that
cannot be mapped to any of the enumerated values
defined for the event attribute.";
reference
"GS NFV IFA011: Section 7.1.13 LifeCycleManagementScript
information element";
}
leaf script {
type string;
description
"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.";
reference
"GS NFV IFA011: Section 7.1.13 LifeCycleManagementScript
information element";
}
leaf script-dsl {
type string;
description
"Defines the domain specific language (i.e. the type) of
script that is provided. Types of scripts could include
bash, python, etc.";
reference
"GS NFV IFA011: Section 7.1.13 LifeCycleManagementScript
information element";
}
list script-input {
key "key";
leaf key {
type string;
}
leaf value {
type string;
}
description
"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.";
reference
"GS NFV IFA011: Section 7.1.13 LifeCycleManagementScript
information element";
}
}
list element-group {
key "id";
description
"Describes the associated elements of a VNFD for a certain
purpose during VNF lifecycle management.";
reference
"GS NFV IFA011: Section 7.1.2 VNFD information element";
leaf id {
type string;
description
"Unique identifier of this group in the VNFD.";
reference
"GS NFV IFA011: Section 7.1.4 VnfdElementGroup
information element";
}
leaf description {
type string;
description
"Human readable description of the group.";
reference
"GS NFV IFA011: Section 7.1.4 VnfdElementGroup
information element";
}
leaf-list vdu {
type leafref {
path "../../nfv:vdu/nfv:id";
}
description
"References to Vdus that are part of this group.";
reference
"GS NFV IFA011: Section 7.1.4 VnfdElementGroup
information element";
}
leaf-list virtual-link-desc {
type leafref {
path "../../nfv:int-virtual-link-desc/nfv:id";