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include etsi-nfv-vnf;
include etsi-nfv-pnf;
description
"Models for NS according to ETSI GS NFV-IFA 014.";
Common data structure to support NSD according to:
ETSI GS NFV-IFA 014 Ed261v252";
"ETSI GS NFV-IFA 014 Ed261v252";
}
grouping resource-handle {
leaf vim-id {
type string;
}
type string;
}
leaf resource-id {
type string;
}
}
leaf id {
type string;
description
"Identifier of this NSD information element. It Globally
uniquely identifies an instance of the NSD.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
}
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leaf designer {
type string;
description
"Identifies the designer of the NSD.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
}
leaf version {
type string;
description
"Identifies the version of the NSD.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
}
leaf name {
type string;
description
"Provides the human readable name of the NSD.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
}
leaf invariant-id {
type string;
description
"Identifies an NSD in a version independent manner. This
attribute is invariant across versions of the network
service descriptor.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
}
leaf-list nested-nsd-id {
must ". != ../id";
type leafref {
description
"References the NSD of a constituent nested NS.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
}
leaf-list vnfd-id {
type leafref {
path "../../vnfd/id";
description
"References the VNFD of a constituent VNF.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
}
leaf-list pnfd-id {
type leafref {
path "../../pnfd/id";
description
"References the PNFD of a constituent PNF.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
}
list sapd {
key "id";
description
"Provides the descriptor of a service access point of the
network service.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
"Identifier of this Cpd information element.";
"GS NFV IFA014: Section 6.6.3.1 Cpd information element";
leaf address-assignment {
type boolean;
"Specify whether the SAP address assignment is under the
responsibility of management and orchestration functions
or not. If it is set to True, management and
orchestration functions are responsible for assigning
addresses to the access points instantiated from this
SAPD.";
"GS NFV IFA014: Section 6.2.3.2 Sapd information element";
}
choice cpd-or-virtual-link {
leaf virtual-link-desc {
type leafref {
path "../../virtual-link-desc/id";
}
"References the descriptor of the NS VL instance to
which the SAP instantiated from this SAPD connects to.";
reference
"GS NFV IFA014: Section 6.2.3.2 Sapd information element";
choice associated-cpd-id {
container vnf {
leaf vnfd-id {
mandatory true;
type leafref {
path "../../../../vnfd/id";
must "boolean(../../../vnfd-id[.=current()])";
}
leaf ext-cpd-id {
mandatory true;
type leafref {
path "deref(../vnfd-id)/../ext-cpd/id";
container pnf {
leaf pnfd-id {
mandatory true;
type leafref {
path "../../../../pnfd/id";
must "boolean(../pnfd-id[.=current()])";
}
leaf ext-cpd-id {
mandatory true;
type leafref {
path "deref(../pnfd-id)/../ext-cpd/id";
}
container ns {
leaf nsd-id {
mandatory true;
type leafref {
path "../../../../nsd/id";
must "boolean(../nsd-id[.=current()])";
}
leaf ext-cpd-id {
mandatory true;
type leafref {
path "deref(../nsd-id)/../sapd/id";
}
list virtual-link-desc {
key "id";
description
"Provides the constituent VLDs.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
leaf id {
type string;
description
"Identifier of the NsVirtualLinkDesc information element.
It uniquely identifies a VLD.";
reference
"GS NFV IFA014: Section 6.5.2.2 NsVirtualLinkDesc
information element";
}
uses connectivity-type;
list df {
"The VirtualLinkDf information element specifies
properties for instantiating a VL according to a
specific flavour.";
"GS NFV IFA014: Section 6.5.2.2 NsVirtualLinkDesc
"Identifies this VirtualLinkDf information element
within a VLD.";
"GS NFV IFA014: Section 6.5.4.2 VirtualLinkDf
container qos {
presence "VL QoS parameters";
"The QoS information element specifies quality of
service parameters applicable to a VL.";
"GS NFV IFA014: Section 6.5.4.2 VirtualLinkDf
leaf latency {
mandatory true;
type uint32;
units "ms";
"Specifies the maximum latency in ms.";
"GS NFV IFA014: Section 6.5.6.2 QoS information
element";
leaf packet-delay-variation {
mandatory true;
type uint32;
units "ms";
"Specifies the maximum jitter in ms.";
"GS NFV IFA014: Section 6.5.6.2 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 IFA014: Section 6.5.6.2 QoS information
element";
leaf priority {
type uint32;
"Specifies the priority level in case of
congestion on the underlying physical links.";
"GS NFV IFA014: Section 6.5.6.2 QoS information
element";
leaf service-availability-level {
enum "level-1";
enum "level-2";
enum "level-3";
"Specifies one of the three levels defined in ETSI
ETSI GS NFV-REL 001 [i.5]
* Level 1.
* Level 2.
* Level 3.";
"GS NFV IFA014: Section 6.5.4.2 VirtualLinkDf
leaf test-access {
type enumeration {
enum none;
enum passive-monitoring;
enum active;
description
"Specifies test access facilities expected on the VL.";
reference
"GS NFV IFA014: Section 6.5.2.2 NsVirtualLinkDesc
information element";
leaf description {
type string;
"Provides human-readable information on the purpose of
the virtual link (e.g. VL for control plane traffic).";
"GS NFV IFA014: Section 6.5.2.2 NsVirtualLinkDesc
}
uses security-parameters;
}
description
"Provides the descriptors of the applicable forwarding
graphs.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
leaf id {
type string;
description
"Identifier of this Vnffgd information element. It
uniquely identifies a VNFFGD.";
reference
"GS NFV IFA014: Section 6.4.2.2 Vnffgd information
}
leaf-list vnf-profile-id {
type leafref {
path "../../df/vnf-profile/id";
description
"References the VnfProfile of a constituent VNF.";
reference
"GS NFV IFA014: Section 6.4.2.2 Vnffgd information
element";
}
leaf-list pnf-profile-id {
type leafref {
path "../../df/pnf-profile/id";
description
"References the PnfProfile of a constituent PNF.";
reference
"GS NFV IFA014: Section 6.4.2.2 Vnffgd information
element";
}
leaf-list nested-ns-profile-id {
type leafref {
path "../../df/ns-profile/id";
description
"References the NsProfile of a nestedNS.";
reference
"GS NFV IFA014: Section 6.4.2.2 Vnffgd information
element";
}
leaf virtual-link-profile-id {
type leafref {
path "../../df/virtual-link-profile/id";
description
"References the Virtual Link Profile of a constituent
VL.";
reference
"GS NFV IFA014: Section 6.4.2.2 Vnffgd information
element";
}
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list nfp-position-element {
key "id";
leaf id {
type string;
description
"Identifier of this NfpPositionElemen information
element. It uniquely identifies an
NfpPositionElemen.";
reference
"GS NFV IFA014: Section 6.4.6.2 NfpPositionElement
information element";
}
container desc {
choice constituent-base-element-id {
mandatory "true";
container vnf-profile {
leaf vnf-profile-id {
must ". = deref(../../vnfd-profile-id)" {
}
type leafref {
path "../../../../../../nsd/df/vnf-profile/id";
}
}
}
container pnf-profile {
leaf pnf-profile-id {
must ". = deref(../../pnfd-profile-id)" {
}
type leafref {
path "../../../../../../nsd/df/pnf-profile/id";
}
}
}
container ns-profile {
leaf ns-profile-id {
must ". = deref(../../ns-profile-id)" {
}
type leafref {
path "../../../../../../nsd/df/ns-profile/id";
}
}
}
description
"Reference to the profile of an NS constituent.";
reference
"GS NFV IFA014: Section 6.4.8
CpdInConstituentElement information element";
}
choice constituent-cpd-id {
container vnf {
leaf vnfd-id {
must ". = deref(../../vnfd-profile-id)/../vnfd-id" {
}
type leafref {
path "../../../../../../vnfd/id";
}
}
leaf cpd-id {
type leafref {
path "deref(../vnfd-id)/../ext-cpd/id";
}
}
}
container pnf {
leaf pnfd-id {
must ". = deref(../../pnfd-profile-id)/../pnfd-id" {
}
type leafref {
path "../../../../../../pnfd/id";
}
}
leaf pnf-cpd-id {
type leafref {
path "deref(../pnfd-id)/../ext-cpd/id";
}
}
}
container ns {
leaf nsd-id {
must ". = deref(../../nested-ns-profile-id)/" +
"../nsd-id" {
}
type leafref {
path "../../../../../../nsd/id";
}
}
leaf sap-cpd-id {
type leafref {
path "deref(../nsd-id)/../sapd/id";
}
}
}
description
"References the VNF external CPD for a given
VnfProfile, or the PNF external CPD for a given
PnfProfile, or a NS SAPD for a given NsProfile
identified by the constituentBaseElementId.";
reference
"GS NFV IFA014: Section 6.4.8.2
CpdInConstituentElement information element";
}
description
"Identifies a CPD or SAPD in the context of a profile
of an NS constituent element.";
reference
"GS NFV IFA014: Section 6.4.6.2 NfpPositionElement
information element";
"One or a pair of CPDs or SAPDs. These descriptors
shall be members of the CpdPool associated to the
parent VNFFG.";
"GS NFV IFA014: Section 6.4.5.2 NfpPositionDesc
information element";
}
list nfpd {
key "id";
leaf id {
type string;
description
"Identifies this nfpd information element within a
VNFFGD.";
reference
"GS NFV IFA014: Section 6.4.3.2 Nfpd information
element";
}
leaf rule {
type string;
description
"Provides an NFP classification and selection rule.
The rule may be expressed as a criteria constructed out
of atomic assertions linked by Boolean operators AND,
OR and NOT.";
reference
"GS NFV IFA014: Section 6.4.3.2 Nfpd information
element";
}
key "id";
leaf id {
type string;
description
"Identifier of this NfpPositionDesc element.";
"GS NFV IFA014: Section 6.4.5.2 NfpPositionDesc
information element";
leaf-list nfp-position-element-id {
type leafref {
path "../../../nfp-position-element/id";
"References NfpPositionElement associated with one of the
constituent VNF Profile, PNF Profile or NS Profile of a
nested NS.";
"GS NFV IFA014: Section 6.4.2.2 Vnffgd information
element";
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}
leaf forwarding-behaviour {
type identityref {
base forwarding-behaviour;
}
description
"Identifies a rule to apply to forward traffic to CP or
SAP instances corresponding to the referenced CPD(s)
and SAPD(s). The minimum list of rules to be supported
shall include:
• ALL = Traffic flows shall be forwarded simultaneously
to all CP or SAP instances created from the
referenced CP profile(s).
• LB = Traffic flows shall be forwarded to one CP or SAP
instance created from the referenced CP profile(s)
selected based on a load-balancing algorithm.";
reference
"GS NFV IFA014: Section 6.4.5.2 NfpPositionDesc
information element";
}
leaf forwarding-behavior-input-parameters {
type string;
description
"Provides input parameters to configure the forwarding
behaviour (e.g. identifies a load balancing
algorithm).";
reference
"GS NFV IFA014: Section 6.4.5.2 NfpPositionDesc
information element";
description
"Describes a position in the NFP in terms of one or more
CPDs and SAPDs and rules for distributing the traffic
among CP and SAP instances created from these CPDs
and SAPDs.";
reference
"GS NFV IFA014: Section 6.4.3.2 Nfpd information
element";
description
"The network forwarding path associated to the VNFFG.";
reference
"GS NFV IFA014: Section 6.4.2.2 Vnffgd information
element";
leaf-list autoscale-rule {
type string;
}
list lifecycle-management-script {
key "event";
leaf event {
leaf script {
type string;
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list df {
min-elements 1;
must "default-instantiation-level or " +
"count(ns-instantiation-level) = 1" {
error-message
"default-instantiation-level must be present if there " +
"multiple instantion-level";
reference
"GS NFV IFA014: Section 6.3.2.2 NsDf information element";
}
key "id";
description
"Identifies a DF within the scope of an NSD.";
reference
"GS NFV IFA014: Section 6.2.2.2 Network Service Descriptor
information element";
leaf id {
type string;
description
"Identifies this NsDf information element. It identifies
a NS DF within the NSD.";
reference
"GS NFV IFA014: Section 6.3.2.2 NsDf information element";
}
leaf flavour-key {
type leafref {
path "../monitored-info/id";
description
"Assurance parameter against which this flavour is being
described.
The key can be a combination of multiple assurance
parameters with a logical relationship between them.
The parameters should be present as a monitoredInfo
attribute in the NSD.";
reference
"GS NFV IFA014: Section 6.3.2.2 NsDf information element";
}
list vnf-profile {
must "min-number-of-instances <= max-number-of-instances";
must "boolean(../../vnfd-id[.=current()/vnfd-id])" {
error-message "VNFDs in the profile has to be listed as a " +
"dependency of the network service " +
"descriptor.";
}
"VNF profile to be used for the NS flavour.";
"GS NFV IFA014: Section 6.3.2.2 NsDf information element";
"Identifier of this vnfProfile information element. It
uniquely identifies a VnfProfile.";
"GS NFV IFA014: Section 6.3.3.2 VnfProfile information
element";
leaf vnfd-id {
mandatory true;
path "../../../../vnfd/id";
"References a VNFD.";
reference
"GS NFV IFA014: Section 6.3.3.2 VnfProfile information
element";
}
leaf flavour-id {
mandatory true;
type leafref {
path "deref(../vnfd-id)/../df/id";
}
description
"Identifies a flavour within the VNFD.";
"GS NFV IFA014: Section 6.3.3.2 VnfProfile information
element";
leaf instantiation-level {
mandatory true;
type leafref {
path "deref(../flavour-id)/../instantiation-level/id";
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description
"Identifier of the instantiation level of the VNF DF
to be used for instantiation. If not present, the
default instantiation level as declared in the VNFD
shall be used.";
reference
"GS NFV IFA014: Section 6.3.3.2 VnfProfile information
element";
}
leaf min-number-of-instances {
default 1;
type uint16;
description
"Minimum number of instances of the VNF based on this
VNFD that is permitted to exist for this VnfProfile.";
reference
"GS NFV IFA014: Section 6.3.3.2 VnfProfile information
element";
}
leaf max-number-of-instances {
default 1;
type uint16;
description
"Maximum number of instances of the VNF based on this
VNFD that is permitted to exist for this VnfProfile.";
reference
"GS NFV IFA014: Section 6.3.3.2 VnfProfile information
element";
}
uses local-affinity-or-anti-affinity-rule;
list affinity-or-anti-affinity-group {
"Identifier(s) of the affinity or anti-affinity
group(s) the VnfProfile belongs to.";
"GS NFV IFA014: Section 6.3.3.2 VnfProfile information
element";
path "../../../affinity-or-anti-affinity-group/id";
list virtual-link-connectivity {
key "virtual-link-profile-id";
description
"Defines the connection information of the VNF, it
contains connection relationship between a VNF
connection point and a NS Virtual Link.";
reference
"GS NFV IFA014: Section 6.3.3.2 VnfProfile information
leaf virtual-link-profile-id {
path "../../../virtual-link-profile/id";
"Reference an NS VL profile.";
"GS NFV IFA014: Section 6.3.7.2, NsVirutalLinkConnectivity
information element.";
list constituent-cpd-id {
key "constituent-base-element-id";
"Describes a connection point on a VNF/PNF or a SAP
which connects to virtual links instantiated from
the profile identified in the virtualLinkProfileId
attribute.";
"GS NFV IFA014: Section 6.3.7
NsVirtualLinkConnectivity information element";
leaf constituent-base-element-id {
description
"Reference to the profile of an NS constituent.";
reference
"GS NFV IFA014: Section 6.4.8
CpdInConstituentElement information element";
path "deref(../../../vnfd-id)/../ext-cpd/id";
"A reference to the descriptor of a connection point
attached to one of the constituent VNFs and PNFs or to
the descriptor of a NS SAP.";
"GS NFV IFA014: Section 6.4.4.2 CpdPool information
element";
list pnf-profile {
key "id";
must "boolean(../../pnfd-id[.=current()/pnfd-id])" {
error-message "PNFDs in the profile has to be listed as a " +
"dependency of the network service " +
"descriptor.";
}
leaf id {
type string;
description
"Identifier of this PnfProfile information element.
It uniquely identifies a PnfProfile.";
reference
"GS NFV IFA014: Section 6.3.6.2 PnfProfile information
element";
}
leaf pnfd-id {
type leafref {
path "../../../../pnfd/id";
description
"References a PNFD.";
reference
"GS NFV IFA014: Section 6.3.6.2 PnfProfile information
element";
list virtual-link-connectivity {
key "virtual-link-profile-id";
description
"Defines the connection information of the PNF, it
contains connection relationship between a PNF
connection point and a NS Virtual Link.";
reference
"GS NFV IFA014: Section 6.3.6.2 PnfProfile information
element";
leaf virtual-link-profile-id {
path "../../../virtual-link-profile/id";
"Reference an NS VL profile.";
"GS NFV IFA014: Section 6.3.7.2, NsVirutalLinkConnectivity
information element.";
list constituent-cpd-id {
key "constituent-base-element-id";
"Describes a connection point on a VNF/PNF or a SAP
which connects to virtual links instantiated from
the profile identified in the virtualLinkProfileId
attribute.";
"GS NFV IFA014: Section 6.3.7
NsVirtualLinkConnectivity information element";
leaf constituent-base-element-id {
"Reference to the profile of an NS constituent.";
"GS NFV IFA014: Section 6.4.8
CpdInConstituentElement information element";
leaf constituent-cpd-id {
type leafref {
path "deref(../../../pnfd-id)/../ext-cpd/id";
"A reference to the descriptor of a connection point
attached to one of the constituent VNFs and PNFs or to
the descriptor of a NS SAP.";
"GS NFV IFA014: Section 6.4.4.2 CpdPool information
element";
list virtual-link-profile {
key "id";
description
"VL profile to be used for the NS flavour.";
reference
"GS NFV IFA014: Section 6.3.2.2 NsDf information element";
leaf id {
type string;
"Uniquely identifies this VirtualLinkProfile
information element.";
"GS NFV IFA014: Section 6.3.2.2 VirtualLinkProfile
information element";
}
leaf virtual-link-desc-id {
mandatory true;
type leafref {
path "../../../virtual-link-desc/id";
description
"Uniquely references a VLD.";
reference
"GS NFV IFA014: Section 6.3.2.2 VirtualLinkProfile
information element";
}
leaf flavour-id {
mandatory true;
type leafref {
path "deref(../virtual-link-desc-id)/../df/id";
description
"Identifies a flavour within the VLD.";
reference
"GS NFV IFA014: Section 6.3.2.2 VirtualLinkProfile
information element";
}
uses local-affinity-or-anti-affinity-rule;
list affinity-or-anti-affinity-group {
key "id";
description
"Identifies an affinity or anti-affinity group the
VLs instantiated according to the VlProfile belong
to.";
reference
"GS NFV IFA014: Section 6.3.4.2 VirtualLinkProfile
information element";