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reference
"GS NFV IFA011: Section 7.1.9.3, Information elements
related to Virtual Memory.";
}
leaf over-subscription-policy {
type string;
"The memory core oversubscription policy in terms of
virtual memory to physical memory on the platform.
The cardinality can be 0 during the allocation
request, if no particular value is requested.";
"GS NFV IFA011: Section 7.1.9.3, Information elements
related to Virtual Memory.";
list vdu-mem-requirements {
key "key";
description
"Array of key-value pair requirements on the memory for
the VDU.";
reference
"GS NFV IFA011: Section 7.1.9.3.2, VirtualMemoryData
information element.";
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leaf numa-enabled {
type boolean;
description
"It specifies the memory allocation to be cognisant of
the relevant process/core allocation. The cardinality
can be 0 during the allocation request, if no
particular value is requested.";
reference
"GS NFV IFA011: Section 7.1.9.3, Information elements
related to Virtual Memory.";
}
description
"The virtual memory of the virtualised compute.";
reference
"GS NFV IFA011: Section 7.1.9.2.2, VirtualComputeDesc
Information element.";
}
container virtual-cpu {
description
"The virtual CPU(s)of the virtualised compute.";
reference
"GS NFV IFA011: Section 7.1.9.2.2, VirtualComputeDesc
Information element.";
leaf cpu-architecture {
"CPU architecture type. Examples are x86, ARM. The
cardinality can be 0 during the allocation request,
if no particular CPU architecture type is requested.";
"GS NFV IFA011: Section 7.1.9.2.3, VirtualCpuData
information elements.";
leaf num-virtual-cpu {
type uint16 {
range "1..max";
default 1;
description
"Number of virtual CPUs.";
reference
"GS NFV IFA011: Section 7.1.9.2.3, VirtualCpuData
information elements.";
}
leaf clock {
type uint32;
units "MHz";
"Minimum virtual CPU clock rate (e.g. in MHz). The
cardinality can be 0 during the allocation request,
if no particular value is requested.";
"GS NFV IFA011: Section 7.1.9.2.3, VirtualCpuData
information elements.";
leaf oversubscription-policy {
type string;
"The CPU core oversubscription policy e.g. the relation
of virtual CPU cores to physical CPU cores/threads.
The cardinality can be 0 during the allocation request,
if no particular value is requested.";
"GS NFV IFA011: Section 7.1.9.2.3, VirtualCpuData
information elements.";
}
list vdu-cpu-requirements {
key "key";
}
description
"Array of key-value pair requirements on the compute
(CPU) for the VDU.";
reference
"GS NFV IFA011: Section 7.1.9.3.2, VirtualCpuData
information element.";
}
container pinning {
presence "Set to specify CPU pinning.";
leaf policy {
default "dynamic";
type enumeration {
enum "static";
enum "dynamic";
}
"Indicates the policy for CPU pinning.
Values:
• static
• dynamic
In case of 'static' the virtual CPU cores are
requested to be allocated to logical CPU cores
according to the rules defined in
virtualCpuPinningRules. In case of 'dynamic' the
allocation of virtual CPU cores to logical CPU cores
is decided by the VIM. (e.g. SMT (Simultaneous
MultiThreading) requirements).";
"GS NFV IFA011: Section 7.1.9.2.4,
VirtualCpuPinningData information element.";
list rule {
when "../policy = 'static'";
leaf key {
type string;
}
leaf value {
type string;
}
description
"List of rules that should be considered during the
allocation of the virtual CPUs to logical CPUs in case
of 'static' virtualCpuPinningPolicy.";
"GS NFV IFA011: Section 7.1.9.2.4,
VirtualCpuPinningData information element.";
description
"The virtual CPU pinning configuration for the
virtualised compute resource.";
reference
"GS NFV IFA011: Section 7.1.9.2.3,
VirtualCpuData information element.";
}
}
list virtual-disk {
key "id";
description
"The local or ephemeral disk(s) of the virtualised compute.";
reference
"GS NFV IFA011: Section 7.1.9.2.2, VirtualComputeDesc
Information element.";
leaf id {
type string;
description
"Unique identifier for the list of virtual disks.";
}
uses block-storage-data;
}
list virtual-storage-desc {
key "id";
description
"Storage requirements for a Virtual Storage instance
attached to the VNFC created from this VDU";
leaf id {
type string;
description
"Unique identifier of this VirtualStorageDesc in the
VNFD.";
reference
"GS NFV IFA011: Section 7.1.9.4, Information elements
related to Virtual Storage.";
}
leaf type-of-storage {
// Needed to be able to onboard images
type identityref {
base storage-type;
"Type of virtualised storage resource
Values:
• BLOCK
• OBJECT
• FILE.";
reference
"GS NFV IFA011: Section 7.1.9.4, Information elements
related to Virtual Storage.";
when '../type-of-storage = "nfv:block"';
"Specifies the details of block storage. It shall
be present when the 'typeOfStorage' attribute is set to
'BLOCK'. It shall be absent otherwise.";
reference
"GS NFV IFA011: Section 7.1.9.4, Information elements
related to Virtual Storage.";
uses block-storage-data;
}
container object-storage-data {
when '../type-of-storage = "nfv:object"';
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description
"Specifies the details of object storage. It shall be
present when the 'typeOfStorage' attribute is set to
'OBJECT'. It shall be absent otherwise.";
reference
"GS NFV IFA011: Section 7.1.9.4, Information elements
related to Virtual Storage.";
leaf max-size-of-storage {
type uint64;
units "GB";
default 0;
description
"Max size of virtualised storage resource in GB.";
reference
"GS NFV IFA011: Section 7.1.9.4.4, ObjectStorage Information
element.";
}
}
container file-storage-data {
when '../type-of-storage = "nfv:file"';
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description
"Specifies the details of file storage. It shall be present
when the 'typeOfStorage' attribute is set to 'FILE'. It
shall be absent otherwise.";
reference
"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.";
}
}
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uses nfvi-maintenance-info {
description
"When present, provides information on the rules to be
observed when an instance based on this
VirtualStorageDesc is impacted during NFVI operation
and maintenance (e.g. NFVI resource upgrades).";
reference
"GS NFV IFA011: Section 7.1.9.4, Information elements
related to Virtual Storage.";
}
leaf per-vnfc-instance {
type boolean;
default "true";
description
"Indicates whether the virtual storage resource shall be
instantiated per VNFC instance.
If the value is true (default), a virtual storage
resource shall be instantiated for each VNFC instance
that is based on a VDU referring to this virtual storage
descriptor and have the same lifetime as the VNFC instance.
If the value is false, a single virtual storage resource
shall be instantiated with a lifetime independent of the
lifetime of individual VNFC instances based on a VDU
referring to this virtual storage descriptor.The storage
resource shall have the same lifetime as the VNF instance";
reference
"GS NFV IFA011: Section 7.1.9.4, Information elements
related to Virtual Storage.";
}
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.";
}
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leaf externally-managed {
type enumeration {
enum required;
enum allowed;
}
description
"Specifies the intent of the VNF designer w.r.t. the
internal VL instances created from this descriptor being
externally managed.
Values:
REQUIRED
ALLOWED
Default: ALLOWED
If the VNFD does not reference any LCM script and if the
'vnfmInfo' attribute in the 'Vnfd' information element
indicates that the VNF can be managed by any ETSI NFV
compliant VNFM, this attribute shall not be present.";
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 {
path "../../vdu/int-cpd/id";
}
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 int-virtual-link-desc {
path "../../int-virtual-link-desc/id";
"Reference of the internal VLD which this VipCpd
connects to";
"GS NFV IFA011: Section 7.1.17.2 VipCpd information element.";
}
leaf dedicated-ip-address {
type boolean;
description
"If set to true, it indicates that the VIP address
shall be different from the addresses allocated to
all of the VduCp instances associated to it.
If set to false, the VIP address shall be the same
as one of the VduCp instances associated to it.";
"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.
Values:
• high availability
• load balancing.";
"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 7.1.17.";
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