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"GS NFV IFA011: Section 7.1.9.4, Information elements
related to Virtual Storage.";
leaf size-of-storage {
type uint64;
units "GB";
default 0;
description
"Size of virtualised storage resource in GB.";
reference
"GS NFV IFA011: Section 7.1.9.4.5, FileStorageData
Information element.";
}
leaf file-system-protocol {
type string;
default "cifs";
description
"The shared file system protocol (e.g. NFS, CIFS).";
reference
"GS NFV IFA011: Section 7.1.9.4.5, FileStorageData
Information element.";
}
leaf int-virtual-link-desc {
type leafref {
path "../../../sw-image-desc/id";
}
mandatory true;
description
"Reference of the internal VLD which this file storage
connects to. The attached VDUs shall connect to the
same internal VLD.";
reference
"GS NFV IFA011: Section 7.1.9.4.5, FileStorageData
Information element.";
}
}
list sw-image-desc {
key "id";
description
"Defines descriptors of software images to be used by the
VNF.";
reference
"GS NFV IFA011: Section 7.1.2, VNFD Information element.";
leaf id {
type string;
"The identifier of this software image.";
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"GS NFV IFA011: Section 7.1.6.5, SwImageDesc information
element";
}
leaf name {
mandatory true;
type string;
description
"The name of this software image.";
reference
"GS NFV IFA011: Section 7.1.6.5 SwImageDesc
information element.";
}
leaf version {
mandatory true;
type string;
description
"The version of this software image.";
reference
"GS NFV IFA011: Section 7.1.6.5 SwImageDesc
information element.";
}
leaf provider {
type string;
description
"The provider of this software image. If not present the
provider of the software image is assumed to be same as
the VNF provider.";
reference
"GS NFV IFA011: Section 7.1.6.5 SwImageDesc
information element.";
}
container checksum {
leaf algorithm {
type identityref {
base checksum-algorithm;
}
"Species the algorithm used to obtain the checksum
value.";
"GS NFV IFA011: Section 7.1.6.10 ChecksumData
"Contains the result of applying the algorithm
indicated by the algorithm attribute to the data to
which this ChecksumData refers.";
"GS NFV IFA011: Section 7.1.6.10 ChecksumData
description
"The checksum of the software image file.";
reference
"GS NFV IFA011: Section 7.1.6.5 SwImageDesc
information element.";
}
leaf container-format {
default "bare";
type enumeration {
enum "aki" {
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"An Amazon kernel image.";
}
enum "ami" {
description
"An Amazon machine image.";
}
enum "ari" {
description
"An Amazon ramdisk image.";
}
enum "bare" {
description
"The image does not have a container or metadata
envelope.";
}
enum "docker" {
description
"A docker container format.";
}
enum "ova" {
description
"An OVF package in a tarfile.";
}
enum "ovf" {
description
"The OVF container format.";
description
"The container format describes the container file
format in which software image is provided.";
reference
"GS NFV IFA011: Section 7.1.6.5 SwImageDesc
information element.";
}
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leaf disk-format {
default "qcow2";
type enumeration {
enum "aki" {
description
"An Amazon kernel image.";
}
enum "ami" {
description
"An Amazon machine image.";
}
enum "ari" {
description
"An Amazon ramdisk image.";
}
enum "iso" {
description
"An archive format for the data contents of an
disk, such as CD-ROM.";
}
enum "qcow2" {
description
"Supported by the QEMU emulator that can expand
dynamically and supports Copy on Write.";
}
enum "raw" {
description
"An unstructured disk image format; if you have a
file without an extension it is possibly a raw
format.";
}
enum "vdi" {
description
"Supported by VirtualBox virtual machine monitor
and the QEMU emulator.";
}
enum "vhd" {
description
"The VHD disk format, a common disk format used by
virtual machine monitors from VMware, Xen,
Microsoft, VirtualBox, and others.";
}
enum "vhdx" {
description
"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.";
}
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";
default 0;
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 {
mandatory true;
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 {
default ".";
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 flavour {
"Describes a specific flavour of the VL with specific
bitrate requirements.";
"GS NFV IFA011: Section 7.1.7.2, VnfVirtualLinkDesc
Information elements.";
leaf id {
type string;
description
"Identifies a flavour within a VnfVirtualLinkDesc.";
"GS NFV IFA011: Section 7.1.8.5, VirtualLinkDescFlavour
information element.";
container qos {
presence "VL QoS parameters";
"GS NFV IFA011: Section 7.1.8.5, VirtualLinkDescFlavour
information element.";
leaf latency {
type uint32;
units "ms";
mandatory true;
"Specifies the maximum latency in ms.";
"GS NFV IFA011: Section 7.1.8.10, QoS information
element.";
leaf packet-delay-variation {
type uint32;
units "ms";
mandatory true;
"Specifies the maximum jitter in ms.";
"GS NFV IFA011: Section 7.1.8.10, QoS information
element.";
leaf packet-loss-ratio {
type decimal64 {
fraction-digits "2";
range "0..1.00";
}
"Specifies the maximum packet loss ratio.";
reference
"GS NFV IFA011: Section 7.1.8.10, QoS information
element.";
leaf-list test-access {
type string;
"Specifies test access facilities expected on the VL
(e.g. none, passive monitoring, or active (intrusive)
loopbacks at endpoints.";
"GS NFV IFA011: Section 7.1.7.2, VnfVirtualLinkDesc
information element.";
"Provides human-readable information on the purpose of
the VL (e.g. control plane traffic).";
"GS NFV IFA011: Section 7.1.7.2, VnfVirtualLinkDesc
information element.";
}
list monitoring-parameters {
key "id";
leaf id {
type string;
description
"Unique identifier of the monitoring parameter.";
"GS NFV IFA011: Section 7.1.11.3, MonitoringParameter
information element.";
uses nfvi-maintenance-info {
description
"When present, provides information on the rules to be
observed when an instance based on this
VnfVirtualLinkDesc is impacted during NFVI operation and
maintenance (e.g. NFVI resource upgrades).";
reference
"GS NFV IFA011: Section 7.1.7.2, VnfVirtualLinkDesc
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.";
choice cp-connection {
leaf int-virtual-link-desc {
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:nfv/nfv:vnfd/nfv:int-virtual-link-desc/nfv:id";
container int-cpd {
leaf vdu-id {
leaf cpd {
type leafref {
path "deref(../vdu-id)/../int-cpd/id";
leaf vip-cpd {
type leafref {
path "../../vip-cpd/id";
}
description
"Reference to the VIP CPD which is used to instantiate CPs
to hold virtual IP addresses. These CPs are, in turn,
exposed as external CPs defined by this external CPD.
One and only one of the following attributes shall be
present: intVirtualLinkDesc or intCpd or vipCpd .";
reference
"GS NFV-IFA011: Section 7.1.3.2, VnfExtCpd information
element";
}
uses virtual-network-interface-requirements;
leaf nicio-requirements {
type leafref {
path "/nfv:nfv/nfv:vnfd/nfv:virtual-compute-desc/nfv:id";
}
description
"This references (couples) the CPD with any logical node I/O
requirements (for network devices) that may have been
created. Linking these attributes is necessary so that so
that I/O requirements that need to be articulated at the
logical node level can be associated with the network
interface requirements associated with the CPD.";
reference
"GS NFV-IFA011: Section 7.1.6.6,
VirtualNetworkInterfaceRequirements information element";
}
uses cpd;
leaf security-group-rule-id {
type leafref {
path "../../security-group-rule/id";
}
description
"Reference of the security group rules bound to this
CPD.";
reference
"GS NFV IFA011: Section 7.1.6.3 Cpd information element";
}
}
list vip-cpd {
key "id";
leaf-list int-cpd {
type leafref {
path "../../vdu/int-cpd/int-virtual-link-desc";
}
description
"Reference to the internal VDU CPD which is used to
instantiate internal CPs. These internal CPs share the
virtual IP addresses allocated when a VipCp instance
is created from the VipCpd.";
reference
"GS NFV IFA011: Section 7.1.17.2, VipCpd information element.";
}
leaf-list vnf-ext-cpd {
type leafref {
path "../../ext-cpd/id";
}
description
"Reference to the VNF external CPD which is used to
instantiate external CPs. These external CPs share the
virtual IP addresses allocated when a VipCp instance is
created from the VipCpd.";
reference
"GS NFV IFA011: Section 7.1.17.2, VipCpd information element.";
}
leaf vip-function {
type identityref {
base vip-function;
}
description
"It indicates the function the virtual IP address is used
for. Permitted values: high availability, load balancing.";
reference
"GS NFV IFA011: Section 7.1.17.2, VipCpd information element.";
}
uses cpd;
description
"Describes virtual IP addresses to be shared among instances
of connection points. See clause 7.1.x.";
reference
"GS NFV IFA011: Section 7.1.2, VNFD information element.";
}
list df {
must "default-instantiation-level or " +
"count(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 DeploymentFlavour.";
}
leaf description {
type string;
description
"Human readable description of the deployment flavour";
reference
"GS NFV IFA011: Section 7.1.8, Information elements
to the DeploymentFlavour.";
}
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 DeploymentFlavour.";
leaf id {
type leafref {
path "../../../vdu/id";
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reference
"GS NFV IFA011: Section 7.1.8.3, VduProfile information
element.";
}
leaf min-number-of-instances {
type uint16;
default 1;
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;
default 1;
must ". >= ../min-number-of-instances";
reference
"GS NFV IFA011: Section 7.1.8.3, VduProfile information
element.";
type leafref {
path "../../affinity-or-anti-affinity-group/id";
}
"References of the affinity or anti-affinity
"GS NFV IFA011: Section 7.1.8.3, VduProfile information
element.";
}
uses nfvi-maintenance-info {
description
"When present, provides information on the impact
tolerance and rules to be observed when instance(s) of
the VDU are impacted during NFVI operation and
maintenance (e.g. NFVI resource upgrades).";
reference
"GS NFV IFA011: Section 7.1.8.3, VduProfile information
element.";
}
list virtual-link-profile {
key "id flavour";
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.";
path "/nfv:nfv/nfv:vnfd/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.";
path "deref(../../../ext-cpd/int-virtual-link-desc)" +
"Identifies a flavour within the VnfVirtualLinkDesc.";
"GS NFV IFA011: Section 7.1.8.4, VirtualLinkProfile
information element.";
type leafref {
path "../../affinity-or-anti-affinity-group/id";
}
"References of the affinity or anti-affinity
group(s) the VnfVirtualLinkDesc belongs to.";
"GS NFV IFA011: Section 7.1.8.4, VirtualLinkProfile
information element.";
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container max-bit-rate-requirements {
leaf root {
mandatory "true";
type uint32;
description
"Throughput requirement of the link (e.g. bitrate of
E-Line, root bitrate of E-Tree, aggregate capacity
of E-LAN).";
reference
"GS NFV IFA011: Section 7.1.8.6,
LinkBitrateRequirements information element.";
}
leaf leaf {
type uint32;
description
"Throughput requirement of leaf connections to the
link when applicable to the connectivity type
(e.g. for E-Tree and E-LAN branches).";
reference
"GS NFV IFA011: Section 7.1.8.6,
LinkBitrateRequirements information element.";
}
"Specifies the maximum bitrate requirements for a VL
instantiated according to this profile.";
"GS NFV IFA011: Section 7.1.8.4, VirtualLinkProfile
information element.";
}
container min-bit-rate-requirements {
leaf root {
mandatory "true";
type uint32;
"Throughput requirement of the link (e.g. bitrate of
E-Line, root bitrate of E-Tree, aggregate capacity
of E-LAN).";
"GS NFV IFA011: Section 7.1.8.6,
LinkBitrateRequirements information element.";
"Throughput requirement of leaf connections to the
link when applicable to the connectivity type
(e.g. for E-Tree and E-LAN branches).";
"GS NFV IFA011: Section 7.1.8.6,
LinkBitrateRequirements information element.";
}
description
"Specifies the minimum bitrate requirements for a VL
instantiated according to this profile.";
reference
"GS NFV IFA011: Section 7.1.8.4, VirtualLinkProfile
information element.";
}
container virtual-link-protocol-data {
leaf associated-layer-protocol {
type identityref {
base layer-protocol;
description
"One of the values of the attribute layerProtocol of
the ConnectivityType IE.";
reference
"GS NFV IFA011: Section 7.1.8.13,
VirtualLinkProtocolData information element.";
}
container l2-protocol-data {
when "(../associated-layer-protocol = 'Ethernet') or " +
"(../associated-layer-protocol = 'MPLS') or " +
"(../associated-layer-protocol = 'ODU2') or " +
"(../associated-layer-protocol = 'Pseudo-Wire')";
leaf name {
type string;
"Network name associated with this L2 protocol.";
"GS NFV IFA011: Section 7.1.8.14,
L2ProtocolData information element.";
leaf network-type {
type enumeration {
enum flat;
enum vlan;
enum vxlan;
enum gre;
"Specifies the network type for this L2 protocol.
Possible values: FLAT, VLAN, VXLAN, GRE.";
"GS NFV IFA011: Section 7.1.8.14,
L2ProtocolData information element.";
"Specifies whether to support VLAN transparency for
this L2 protocol or not.";
"GS NFV IFA011: Section 7.1.8.14,
L2ProtocolData information element.";
leaf mtu {
type uint16;
description
"Specifies the maximum transmission unit (MTU) value
for this L2 protocol.";
reference
"GS NFV IFA011: Section 7.1.8.14,
L2ProtocolData information element.";
}
leaf segmentation-id {
type string;
description
"If present, specifies a specific virtualised network
segment, which depends on the network type. For e.g.,
VLAN ID for VLAN network type and tunnel ID for
GRE/VXLAN network types.";
"GS NFV IFA011: Section 7.1.8.14,
L2ProtocolData information element.";
"Specifies the L2 protocol data for this virtual link.
Shall be present when the associatedLayerProtocol
attribute indicates a L2 protocol and shall be absent
otherwise.";
"GS NFV IFA011: Section 7.1.8.13,
VirtualLinkProtocolData information element.";
}
container l3-protocol-data {
when "(../associated-layer-protocol = 'IPv4') or " +
"(../associated-layer-protocol = 'IPv6')";
leaf name {
type string;
description
"Network name associated with this L3 protocol.";
reference
"GS NFV IFA011: Section 7.1.8.15,
L3ProtocolData information element.";
}
leaf ip-version {
type enumeration {
enum ipv4;
enum ipv6;
"Specifies IP version of this L3 protocol.
Value:
• IPV4.
• IPV6.";
"GS NFV IFA011: Section 7.1.8.15,
L3ProtocolData information element.";
"Specifies the CIDR (Classless InterDomain Routing)
of this L3 protocol.";
"GS NFV IFA011: Section 7.1.8.15,
L3ProtocolData information element.";
leaf-list ip-allocation-pools {
type string;
description
"Specifies the allocation pools with start and end
IP addresses for this L3 protocol.";
reference
"GS NFV IFA011: Section 7.1.8.15,
L3ProtocolData information element.";
}
leaf gateway-ip {
type inet:ip-address;
"Specifies the gateway IP address for this L3
protocol.";
"GS NFV IFA011: Section 7.1.8.15,
L3ProtocolData information element.";
leaf dhcp-enabled {
type boolean;
default "true";
"Indicates whether DHCP (Dynamic Host Configuration
Protocol) is enabled or disabled for this L3
protocol.";
"GS NFV IFA011: Section 7.1.8.15,
L3ProtocolData information element.";
leaf ipv6-address-mode {
when "../ip-version = 'ipv6'";
type enumeration {
enum slaac;
enum dhcpv6-stateful;
enum dhcpv6-stateless;
"Specifies IPv6 address mode. Possible values:
• SLAAC.
• DHCPV6-STATEFUL.
• DHCPV6-STATELESS.
May be present when the value of the ipVersion
attribute is 'IPV6' and shall be absent otherwise.";
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"GS NFV IFA011: Section 7.1.8.15,
L3ProtocolData information element.";
}
description
"Specifies the L3 protocol data for this virtual link.
Shall be present when the associatedLayerProtocol
attribute indicates a L3 protocol and shall be absent
otherwise.";
reference
"GS NFV IFA011: Section 7.1.8.13,
VirtualLinkProtocolData information element.";
}
description
"Specifies the protocol data for a VL instantiated
according to this profile. Cardinality 0 is used when
no protocol data needs to be specified.";
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 "vdu-id";
min-elements 1;
description
"Sets the number of instances for the VDU in this