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module etsi-nfv-common {
namespace "urn:etsi:params:xml:ns:yang:etsi-nfv-common";
prefix common;
"Common data types for ETSI data models.";
Common data structures to support VNFD and NSD according to:
ETSI GS NFV-IFA 014 Ed251v244
ETSI GS NFV-IFA 011 Ed251v243";
}
/*
* Identities.
*/
identity layer-protocol {
}
identity Ethernet {
base layer-protocol;
}
identity MPLS {
base layer-protocol;
}
identity ODU2 {
base layer-protocol;
}
identity IPv4 {
base layer-protocol;
}
identity IPv6 {
base layer-protocol;
}
identity Pseudo-Wire {
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base layer-protocol;
}
identity address-type {
description
"Describes the type of the address to be assigned to the CP
instantiated from the parent CPD.
Value:
• MAC address.
• IP address.
• …
The content type shall be aligned with the address type
supported by the layerProtocol attribute of the parent CPD.";
reference
"GS NFV IFA011: Section 7.1.3.3, AddressData information
element.";
}
identity mac-address {
base address-type;
}
identity ip-address {
base address-type;
}
identity supported-operation {
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";
}
identity instantiate-vnf {
base supported-operation;
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description
"This operation instantiates a particular DF of a VNF based on
the definition in the VNFD.";
reference
"GS NFV IFA007: Section 7.2.3 Instantiate VNF Operation";
}
identity scale-vnf {
base supported-operation;
description
"This operation provides methods to request scaling a VNF in
multiple ways:
• horizontal scaling:
- scale out: adding additional VNFC instances to the VNF to
increase capacity
- scale in: removing VNFC instances from the VNF, in order to
release unused capacity";
reference
"GS NFV IFA007: Section 7.2.4 Scale VNF Operation";
}
identity scale-vnf-to-level {
base supported-operation;
description
"This operation scales an instantiated VNF of a particular DF to
a target size. The target size is either expressed as an
instantiation level of that DF as defined in the VNFD, or given
as a list of scale levels, one per scaling aspect of that DF.
Instantiation levels and scaling aspects are declared in the
VNFD. Typically, the result of this operation is adding and/or
removing Network Functions Virtualization Infrastructure (NFVI)
resources to/from the VNF.";
reference
"GS NFV IFA007: Section 7.2.5 Scale VNF To Level Operation";
}
identity change-vnf-flavour {
base supported-operation;
description
"This operation changes the DF of a VNF instance.";
reference
"GS NFV IFA007: Section 7.2.6 Change VNF Flavour Operation";
}
identity terminate-vnf {
base supported-operation;
description
"This operation terminates a VNF.
A VNF can be terminated gracefully or forcefully. Graceful
termination means that the VNFM arranges to take the
VNF out of service, e.g. by asking the VNF's EM to take the
VNF out of service, and only after that shuts down the
VNF and releases the resources. Forceful termination means that
the VNFM immediately shuts down the VNF and releases the
resources. A time interval can be specified for taking the VNF
out of service, after which the VNF is shut down if taking it
out of service has not completed.";
reference
"GS NFV IFA007: Section 7.2.7 Terminate VNF Operation";
}
identity query-vnf {
base supported-operation;
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description
"This operation provides information about VNF instances. The
applicable VNF instances can be chosen based on
filtering criteria, and the information can be restricted to
selected attributes.";
reference
"GS NFV IFA007: Section 7.2.9 Query VNF Operation";
}
identity heal-vnf {
base supported-operation;
description
"This operation enables the NFVO to request a VNFM to perform a
VNF healing procedure.";
reference
"GS NFV IFA007: Section 7.2.10 Heal VNF Operation";
}
identity operate-vnf {
base supported-operation;
description
"This operation enables requesting to change the state of a VNF
instance, including starting and stopping the VNF instance.";
reference
"GS NFV IFA007: Section 7.2.11 Operate VNF Operation";
}
identity modify-vnf-information {
base supported-operation;
description
"This operation allows updating information about a VNF
instance.";
reference
"GS NFV IFA007: Section 7.2.12 Modify VNF Operation";
}
identity cp-role {
description
"Identifies the role of the port in the context of the traffic
flow patterns in the VNF or parent NS.";
reference
"GS NFV IFA011: Section 7.1.6.3 Cpd information element";
}
identity root {
base cp-role;
}
identity leaf {
base cp-role;
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}
/*
* Typedefs
*/
typedef flow-pattern {
type enumeration {
enum line;
enum tree;
enum mesh;
}
}
typedef affinity-type {
type enumeration {
enum "affinity";
enum "anti-affinity";
}
}
typedef affinity-scope {
type enumeration {
enum "nfvi-node";
enum "zone-group";
enum "zone";
enum "nfvi-pop";
}
}
typedef internal-lifecycle-management-script-event {
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type enumeration {
enum "start-instantiation";
enum "end-instantiation";
enum "start-scaling";
enum "end-scaling";
enum "start-healing";
enum "end-healing";
enum "start-termination";
enum "end-termination";
enum "start-vnf-flavor-change";
enum "end-vnf-flavor-change";
enum "start-vnf-operation-change";
enum "end-vnf-operation-change";
enum "start-vnf-ext-conn-change";
enum "end-vnf-ext-conn-change";
enum "start-vnfinfo-modification";
enum "end-vnfinfo-modification";
}
}
grouping local-affinity-or-anti-affinity-rule {
list local-affinity-or-anti-affinity-rule {
key "affinity-type affinity-scope";
leaf affinity-type {
type affinity-type;
description
"Specifies whether the rule is an affinity rule or an
anti-affinity rule.";
reference
"GS NFV IFA011: Section 7.1.8.11,
LocalAffinityOrAntiAffinityRule information element.";
}
leaf affinity-scope {
type affinity-scope;
description
"Specifies the scope of the rule, possible values are
'NFVI-PoP', 'Zone', 'ZoneGroup', 'NFVI-node'.";
reference
"GS NFV IFA011: Section 7.1.8.11,
LocalAffinityOrAntiAffinityRule information element.";
}
}
}
grouping connectivity-type {
container connectivity-type {
leaf layer-protocol {
mandatory true;
type identityref {
base layer-protocol;
}
description
"Identifies the protocol this VL gives access to (Ethernet,
MPLS, ODU2, IPV4, IPV6, Pseudo-Wire).";
reference
"GS NFV IFA011: Section 7.1.7.3, ConnectivityType
information element.";
}
leaf flow-pattern {
type flow-pattern;
description
"Identifies the flow pattern of the connectivity (Line,
Tree, Mesh).";
reference
"GS NFV IFA011: Section 7.1.7.3, ConnectivityType
information element.";
}
}
}
grouping link-bitrate-requirements {
leaf root {
type uint64;
units "Mbps";
mandatory true;
description
"Specifies the 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 uint64;
units "Mbps";
description
"Specifies the 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.";
}
}
grouping monitoring-parameter {
leaf name {
type string;
description
"Human readable name of the monitoring parameter.";
reference
"GS NFV IFA011: Section 7.1.11.3, MonitoringParameter
information element.";
}
leaf performance-metric {
type string;
description
"Performance metric that is monitored. This attribute shall
contain the related 'Measurement Name' value as defined in
clause 7.2 of ETSI GS NFV-IFA 027";
reference
"GS NFV IFA011: Section 7.1.11.3, MonitoringParameter
information element and Section 7.2 of ETSI GS NFV-IFA 027.";
}
leaf collection-period {
type uint64;
units "ms";
description
"An attribute that describes the recommended periodicity at
which to collect the performance information. VNFM determines
if this parameter is considered.
The vendor may provide this information as a guidance for
creating PmJobs if needed.";
reference
"GS NFV IFA011: Section 7.1.11.3, MonitoringParameter
information element.";
}
}
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grouping security-parameters {
leaf signature {
type string;
description
"Provides the signature of the signed part of the
descriptor.";
reference
"GS NFV IFA014: Section 6.2.5, SecurityParameters
information element.";
}
leaf algorithm {
type string;
description
"Identifies the algorithm used to compute the signature.";
reference
"GS NFV IFA014: Section 6.2.5, SecurityParameters
information element.";
}
leaf certificate {
type string;
description
"Provides a certificate or a reference to a certificate to
validate the signature.";
reference
"GS NFV IFA014: Section 6.2.5, SecurityParameters
information element.";
}
}
grouping cpd {
description
"A Cpd information element describes network connectivity to a
compute resource or a VL.";
reference
"GS NFC IFA011: Section 7.1.6.3 Cpd Information Element";
leaf id {
type string;
description
"Identifier of this Cpd information element.";
reference
"GS NFV IFA011: Section 7.1.6.3, Cpd information element.";
}
leaf layer-protocol {
mandatory true;
type identityref {
base common:layer-protocol;
}
description
"Identifies which protocol the CP uses for connectivity
purposes (Ethernet, MPLS, ODU2, IPV4, IPV6, Pseudo-Wire,
etc.).";
reference
"GS NFV IFA011: Section 7.1.6.3, Cpd information element.";
}
leaf role {
type identityref {
base common:cp-role;
}
description
"Identifies the role of the port in the context of the
traffic flow patterns in the VNF or parent NS. For example a
VNF with a tree flow pattern within the VNF will have legal
cpRoles of ROOT and LEAF.";
reference
"GS NFV IFA011: Section 7.1.6.3, Cpd information element.";
}
leaf description {
type string;
description
"Human readable description of the connection point";
reference
"GS NFV IFA011: Section 7.1.6.3, Cpd information element.";
}
container protocol {
description
"Identifies the protocol layering information the CP uses for
connectivity purposes and associated information. There shall
be one cpProtocol for each layer protocol as indicated by the
attribute layerProtocol.";
reference
"GS NFV IFA011: Section 7.1.6.3, Cpd information element.";
leaf associated-layer-protocol {
type identityref {
base common:layer-protocol;
}
description
"One of the values of the attribute layerProtocol of the Cpd
IE.";
reference
"GS NFV IFA011: Section 7.1.6.8, CpProtocolData information
element.";
}
list address-data {
key "address-type";
leaf address-type {
type identityref {
base common:address-type;
}
description
"Describes the type of the address to be assigned to the CP
instantiated from the parent CPD.
Value:
• MAC address.
• IP address.
• …
The content type shall be aligned with the address type
supported by the layerProtocol attribute of the parent CPD.";
reference
"GS NFV IFA011: Section 7.1.3.3, AddressData information
element.";
}
container l2-address-data {
when "../address-type='mac-address'";
}
container l3-address-data {
when "../address-type='ip-address'";
leaf ip-address-assignment {
type boolean;
description
"Specify if the address assignment is the responsibility
of management and orchestration function or not. If it
is set to True, it is the management and orchestration
function responsibility. ";
reference
"GS NFV IFA011: Section 7.1.3.4, L3AddressData
information element.";
}
leaf floating-ip-activated {
type boolean;
description
"Specify if the floating IP scheme is activated on the CP
or not.";
reference
"GS NFV IFA011: Section 7.1.3.4, L3AddressData
information element.";
}
leaf ip-address-type {
type enumeration {
enum "ipv4";
enum "ipv6";
}
description
"Define address type. The address type should be aligned
with the address type supported by the layerProtocol
attribute of the parent VnfExtCpd.";
reference
"GS NFV IFA011: Section 7.1.3.4, L3AddressData
information element.";
}
leaf number-of-ip-addresses {
type uint32;
description
"Minimum number of IP addresses to be assigned based on
this L3AddressData information element.";
reference
"GS NFV IFA011: Section 7.1.3.4, L3AddressData
information element.";
}
}
description
"The AddressData information element supports providing
information about the addressing scheme and parameters
applicable to a CP.";
reference
"GS NFV IFA011: Section 7.1.3.3, AddressData information
element.";
}
}
leaf trunk-mode {
type boolean;
description
"Information about whether the CP instantiated from this CPD
is in Trunk mode (802.1Q or other).";
reference
"GS NFV IFA011: Section 7.1.6.3, Cpd information element.";
}
}