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ietf-te-types.yang
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module ietf-te-types {
yang-version 1.1;
namespace "urn:ietf:params:xml:ns:yang:ietf-te-types";
/* Replace with IANA when assigned */
prefix "te-types";
import ietf-inet-types {
prefix inet;
reference "RFC6991: Common YANG Data Types";
}
import ietf-yang-types {
prefix "yang";
reference "RFC6991: Common YANG Data Types";
}
import ietf-routing-types {
prefix "rt-types";
reference "RFC8294: Common YANG Data Types for the Routing Area";
}
organization
"IETF Traffic Engineering Architecture and Signaling (TEAS)
Working Group";
contact
"WG Web: <http://tools.ietf.org/wg/teas/>
WG List: <mailto:teas@ietf.org>
WG Chair: Lou Berger
<mailto:lberger@labn.net>
WG Chair: Vishnu Pavan Beeram
<mailto:vbeeram@juniper.net>
Editor: Tarek Saad
<mailto:tsaad@cisco.com>
Editor: Rakesh Gandhi
<mailto:rgandhi@cisco.com>
Editor: Vishnu Pavan Beeram
<mailto:vbeeram@juniper.net>
Editor: Himanshu Shah
<mailto:hshah@ciena.com>
Editor: Xufeng Liu
<mailto:xufeng.liu.ietf@gmail.com>
Editor: Igor Bryskin
<mailto:Igor.Bryskin@huawei.com>
Editor: Young Lee
<mailto:leeyoung@huawei.com>";
description
"This module contains a collection of generally useful TE
specific YANG data type definitions. The model fully conforms
to the Network Management Datastore Architecture (NMDA).
Copyright (c) 2018 IETF Trust and the persons
identified as authors of the code. All rights reserved.
Redistribution and use in source and binary forms, with or
without modification, is permitted pursuant to, and subject
to the license terms contained in, the Simplified BSD License
set forth in Section 4.c of the IETF Trust's Legal Provisions
Relating to IETF Documents
(https://trustee.ietf.org/license-info).
This version of this YANG module is part of RFC XXXX; see
the RFC itself for full legal notices.";
// RFC Ed.: replace XXXX with actual RFC number and remove this
// note.
// RFC Ed.: update the date below with the date of RFC publication
// and remove this note.
revision "2019-02-06" {
description "Latest revision of TE types";
reference
"RFC XXXX: A YANG Data Model for Common Traffic Engineering
Types";
}
/**
* Typedefs
*/
typedef admin-group {
type yang:hex-string {
/* 01:02:03:04 */
length "1..11";
}
description
"Administrative group/Resource class/Color representation in
hex-string type.";
reference "RFC3630 and RFC5305";
}
typedef admin-groups {
type union {
type admin-group;
type extended-admin-group;
}
description "TE administrative group derived type";
}
typedef extended-admin-group {
type yang:hex-string;
description
"Extended administrative group/Resource class/Color
representation in hex-string type";
reference "RFC7308";
}
typedef path-attribute-flags {
type union {
type identityref {
base session-attributes-flags;
}
type identityref {
base lsp-attributes-flags;
}
}
description "Path attributes flags type";
}
typedef performance-metrics-normality {
type enumeration {
enum "unknown" {
value 0;
description
"Unknown.";
}
enum "normal" {
value 1;
description
"Normal.";
}
enum "abnormal" {
value 2;
description
"Abnormal. The anomalous bit is set.";
}
}
description
"Indicates whether a performance metric is normal, abnormal, or
unknown.";
reference
"RFC7471: OSPF Traffic Engineering (TE) Metric Extensions.
RFC7810: IS-IS Traffic Engineering (TE) Metric Extensions.
RFC7823: Performance-Based Path Selection for Explicitly
Routed Label Switched Paths (LSPs) Using TE Metric
Extensions";
}
typedef srlg {
type uint32;
description "SRLG type";
reference "RFC4203 and RFC5307";
}
typedef te-admin-status {
type enumeration {
enum up {
description
"Enabled.";
}
enum down {
description
"Disabled.";
}
enum testing {
description
"In some test mode.";
}
enum preparing-maintenance {
description
"Resource is disabled in the control plane to prepare for
graceful shutdown for maintenance purposes.";
reference
"RFC5817: Graceful Shutdown in MPLS and Generalized MPLS
Traffic Engineering Networks";
}
enum maintenance {
description
"Resource is disabled in the data plane for maintenance
purposes.";
}
}
description
"Defines a type representing the administrative status of
a TE resource.";
}
typedef te-bandwidth {
type string {
pattern
'0[xX](0((\.0?)?[pP](\+)?0?|(\.0?))|'
+ '1(\.([\da-fA-F]{0,5}[02468aAcCeE]?)?)?[pP](\+)?(12[0-7]|'
+ '1[01]\d|0?\d?\d)?)|0[xX][\da-fA-F]{1,8}|\d+'
+ '(,(0[xX](0((\.0?)?[pP](\+)?0?|(\.0?))|'
+ '1(\.([\da-fA-F]{0,5}[02468aAcCeE]?)?)?[pP](\+)?(12[0-7]|'
+ '1[01]\d|0?\d?\d)?)|0[xX][\da-fA-F]{1,8}|\d+))*';
}
description
"This is the generic bandwidth type that is a string containing
a list of numbers separated by commas, with each of these
number can be non-negative decimal, hex integer, or hex float:
(dec | hex | float)[*(','(dec | hex | float))]
For packet switching type, a float number is used, such as
0x1p10.
For OTN switching type, a list of integers can be used, such
as '0,2,3,1', indicating 2 odu0's and 1 odu3.
For DWDM, a list of pairs of slot number and width can be
used, such as '0, 2, 3, 3', indicating a frequency slot 0 with
slot width 2 and a frequency slot 3 with slot width 3.
Canonically, the string is represented as all lowercase and in
hex where the prefix '0x' precedes the hex number";
} // te-bandwidth
typedef te-ds-class {
type uint8 {
range "0..7";
}
description
"The Differentiated Class-Type of traffic.";
reference "RFC4124: section-4.3.1";
}
typedef te-global-id {
type uint32;
description
"An identifier to uniquely identify an operator, which can be
either a provider or a client.
The definition of this type is taken from RFC6370 and RFC5003.
This attribute type is used solely to provide a globally
unique context for TE topologies.";
}
typedef te-hop-type {
type enumeration {
enum loose {
description
"loose hop in an explicit path";
}
enum strict {
description
"strict hop in an explicit path";
}
}
description
"enumerated type for specifying loose or strict
paths";
reference "RFC3209: section-4.3.2";
}
typedef te-link-access-type {
type enumeration {
enum point-to-point {
description
"The link is point-to-point.";
}
enum multi-access {
description
"The link is multi-access, including broadcast and NBMA.";
}
}
description
"Defines a type representing the access type of a TE link.";
reference
"RFC3630: Traffic Engineering (TE) Extensions to OSPF
Version 2.";
}
typedef te-label-direction {
type enumeration {
enum forward {
description
"Label allocated for the forward LSP direction";
}
enum reverse {
description
"Label allocated for the reverse LSP direction";
}
}
description
"enumerated type for specifying the forward or reverse
label";
}
typedef te-link-direction {
type enumeration {
enum incoming {
description
"explicit route represents an incoming link on a node";
}
enum outgoing {
description
"explicit route represents an outgoing link on a node";
}
}
description
"enumerated type for specifying direction of link on a node";
}
typedef te-metric {
type uint32;
description "TE link metric";
reference "RFC3785";
}
typedef te-node-id {
type yang:dotted-quad;
description
"A type representing the identifier for a node in a TE
topology.
The identifier is represented as 32-bit unsigned integer in
the dotted-quad notation.
This attribute MAY be mapped to the Router Address described
in Section 2.4.1 of [RFC3630], the TE Router ID described in
Section 3 of [RFC6827], the Traffic Engineering Router ID
described in Section 4.3 of [RFC5305], or the TE Router ID
described in Section 3.2.1 of [RFC6119].
The reachability of such a TE node MAY be achieved by a
mechanism such as Section 6.2 of [RFC6827].";
}
typedef te-oper-status {
type enumeration {
enum up {
description
"Operational up.";
}
enum down {
description
"Operational down.";
}
enum testing {
description
"In some test mode.";
}
enum unknown {
description
"Status cannot be determined for some reason.";
}
enum preparing-maintenance {
description
"Resource is disabled in the control plane to prepare for
graceful shutdown for maintenance purposes.";
reference
"RFC5817: Graceful Shutdown in MPLS and Generalized MPLS
Traffic Engineering Networks";
}
enum maintenance {
description
"Resource is disabled in the data plane for maintenance
purposes.";
}
}
description
"Defines a type representing the operational status of
a TE resource.";
}
typedef te-path-disjointness {
type bits {
bit node {
position 0;
description "Node disjoint.";
}
bit link {
position 1;
description "Link disjoint.";
}
bit srlg {
position 2;
description "SRLG (Shared Risk Link Group) disjoint.";
}
}
description
"Type of the resource disjointness for a TE tunnel path.";
reference
"RFC4872: RSVP-TE Extensions in Support of End-to-End
Generalized Multi-Protocol Label Switching (GMPLS)
Recovery";
} // te-path-disjointness
typedef te-recovery-status {
type enumeration {
enum normal {
description
"Both the recovery and working spans are fully
allocated and active, data traffic is being
transported over (or selected from) the working
span, and no trigger events are reported.";
}
enum recovery-started {
description
"The recovery action has been started, but not completed.";
}
enum recovery-succeeded {
description
"The recovery action has succeeded. The working span has
reported a failure/degrade condition and the user traffic
is being transported (or selected) on the recovery span.";
}
enum recovery-failed {
description
"The recovery action has failed.";
}
enum reversion-started {
description
"The reversion has started.";
}
enum reversion-failed {
description
"The reversion has failed.";
}
enum recovery-unavailable {
description
"The recovery is unavailable -- either as a result of an
operator Lockout command or a failure condition detected
on the recovery span.";
}
enum recovery-admin {
description
"The operator has issued a command switching the user
traffic to the recovery span.";
}
enum wait-to-restore {
description
"The recovery domain is recovering from a failure/degrade
condition on the working span that is being controlled by
the Wait-to-Restore (WTR) timer.";
}
}
description
"Defines the status of a recovery action.";
reference
"RFC4427: Recovery (Protection and Restoration) Terminology
for Generalized Multi-Protocol Label Switching (GMPLS).
RFC6378: MPLS Transport Profile (MPLS-TP) Linear Protection";
}
typedef te-template-name {
type string {
pattern '/?([a-zA-Z0-9\-_.]+)(/[a-zA-Z0-9\-_.]+)*';
}
description
"A type for the name of a TE node template or TE link
template.";
}
typedef te-topology-event-type {
type enumeration {
enum "add" {
value 0;
description
"A TE node or te-link has been added.";
}
enum "remove" {
value 1;
description
"A TE node or te-link has been removed.";
}
enum "update" {
value 2;
description
"A TE node or te-link has been updated.";
}
}
description "TE Event type for notifications";
} // te-topology-event-type
typedef te-topology-id {
type union {
type string {
length 0; // empty string
}
type string {
pattern
'([a-zA-Z0-9\-_.]+:)*'
+ '/?([a-zA-Z0-9\-_.]+)(/[a-zA-Z0-9\-_.]+)*';
}
}
description
"An identifier for a topology.
It is optional to have one or more prefixes at the beginning,
separated by colons. The prefixes can be the network-types,
defined in ietf-network.yang, to help user to understand the
topology better before further inquiry.";
reference "RFC8345";
}
typedef te-tp-id {
type union {
type uint32; // Unnumbered
type inet:ip-address; // IPv4 or IPv6 address
}
description
"An identifier for a TE link endpoint on a node.
This attribute is mapped to local or remote link identifier in
RFC3630 and RFC5305.";
}
/* TE features */
feature p2mp-te {
description
"Indicates support for P2MP-TE";
reference "RFC4875";
}
feature frr-te {
description
"Indicates support for TE FastReroute (FRR)";
reference "RFC4090";
}
feature extended-admin-groups {
description
"Indicates support for TE link extended admin
groups.";
reference "RFC7308";
}
feature named-path-affinities {
description
"Indicates support for named path affinities";
}
feature named-extended-admin-groups {
description
"Indicates support for named extended admin groups";
}
feature named-srlg-groups {
description
"Indicates support for named SRLG groups";
}
feature named-path-constraints {
description
"Indicates support for named path constraints";
}
feature path-optimization-metric {
description
"Indicates support for path optimization metric";
}
feature path-optimization-objective-function {
description
"Indicates support for path optimization objective function";
}
/*
* Identities
*/
identity session-attributes-flags {
description
"Base identity for the RSVP-TE session attributes flags";
}
identity local-protection-desired {
base session-attributes-flags;
description "Fastreroute local protection is desired.";
reference "RFC3209";
}
identity se-style-desired {
description
"Shared explicit style to allow the LSP to be
established sharing resources with the old LSP.";
reference "RFC3209";
}
identity local-recording-desired {
description "Local recording desired";
reference "RFC3209";
}
identity bandwidth-protection-desired {
base session-attributes-flags;
description
"Request FRR bandwidth protection on LSRs if
present.";
reference "RFC4090";
}
identity node-protection-desired {
base session-attributes-flags;
description
"Request FRR node protection on LSRs if
present.";
reference "RFC4090";
}
identity path-reevaluation-request {
base session-attributes-flags;
description
"This flag indicates that a path re-evaluation (of the
current path in use) is requested. Note that this does
not trigger any LSP Reroute but instead just signals a
request to evaluate whether a preferable path exists.";
reference "RFC4736";
}
identity soft-preemption-desired {
base session-attributes-flags;
description
"Soft-preemption of LSP resources is desired";
reference "RFC5712";
}
identity lsp-attributes-flags {
description "Base identity for per hop attribute flags";
}
identity end-to-end-rerouting-desired {
base lsp-attributes-flags;
description
"Indicates end-to-end re-routing behavior for an
LSP under establishment. This MAY also be used for
specifying the behavior of end-to-end LSP recovery for
established LSPs.";
reference "RFC4920, RFC5420, RFC7570";
}
identity boundary-rerouting-desired {
base lsp-attributes-flags;
description
"Indicates boundary re-routing behavior for an LSP under
establishment. This MAY also be used for specifying the
segment-based LSP recovery through nested crankback for
established LSPs. The boundary ABR/ASBR can either decide
to forward the PathErr message upstream to an upstream boundary
ABR/ASBR or to the ingress LSR.
Alternatively, it can try to select another egress boundary
LSR.";
reference "RFC4920, RFC5420, RFC7570";
}
identity segment-based-rerouting-desired {
base lsp-attributes-flags;
description
"Indicates segment-based re-routing behavior for an LSP under
establishment. This MAY also be used to specify the segment-
based LSP recovery for established LSPs.";
reference "RFC4920, RFC5420, RFC7570";
}
identity lsp-integrity-required {
base lsp-attributes-flags;
description "Indicates LSP integrity is required";
reference "RFC4875, RFC7570";
}
identity contiguous-lsp-desired {
base lsp-attributes-flags;
description "Indicates contiguous LSP is desired";
reference "RFC5151, RFC7570";
}
identity lsp-stitching-desired {
base lsp-attributes-flags;
description "Indicates LSP stitching is desired";
reference "RFC5150, RFC7570";
}
identity pre-planned-lsp-flag {
base lsp-attributes-flags;
description
"Indicates the LSP MUST be provisioned in the
control plane only.";
reference "RFC6001, RFC7570";
}
identity non-php-behavior-flag {
base lsp-attributes-flags;
description
"Indicates non-php behavior for the LSP is desired";
reference "RFC6511, RFC7570";
}
identity oob-mapping-flag {
base lsp-attributes-flags;
description
"Indicates signaling of the egress binding information
is out-of-band , (e.g., via Border Gateway Protocol (BGP))";
reference "RFC6511, RFC7570";
}
identity entropy-label-capability {
base lsp-attributes-flags;
description "Indicates entropy label capability";
reference "RFC6790, RFC7570";
}
identity oam-mep-entity-desired {
base lsp-attributes-flags;
description "OAM MEP entities desired";
reference "RFC7260";
}
identity oam-mip-entity-desired {
base lsp-attributes-flags;
description "OAM MIP entities desired";
reference "RFC7260";
}
identity srlg-collection-desired {
base lsp-attributes-flags;
description "SRLG collection desired";
reference "RFC8001, RFC7570";
}
identity loopback-desired {
base lsp-attributes-flags;
description
"This flag indicates a particular node on the LSP is
required to enter loopback mode. This can also be
used for specifying the loopback state of the node.";
reference "RFC7571";
}
identity p2mp-te-tree-eval-request {
base lsp-attributes-flags;
description "P2MP-TE tree re-evaluation request";
reference "RFC8149";
}
identity rtm-set-desired {
base lsp-attributes-flags;
description
"Residence Time Measurement (RTM) attribute flag";
reference "RFC8169";
}
identity link-protection-type {
description "Base identity for link protection type.";
}
identity link-protection-unprotected {
base link-protection-type;
description "Unprotected link type";
reference "RFC4872";
}
identity link-protection-extra-traffic {
base link-protection-type;
description "Extra-traffic protected link type";
reference "RFC4427.";
}
identity link-protection-shared {
base link-protection-type;
description "Shared protected link type";
reference "RFC4872";
}
identity link-protection-1-for-1 {
base link-protection-type;
description "One for one protected link type";
reference "RFC4872";
}
identity link-protection-1-plus-1 {
base link-protection-type;
description "One plus one protected link type";
reference "RFC4872";
}
identity link-protection-enhanced {
base link-protection-type;
description "Enhanced protection protected link type";
reference "RFC4872";
}
identity association-type {
description "Base identity for tunnel association";
reference "RFC6780, RFC4872, RFC4873";
}
identity association-type-recovery {
base association-type;
description
"Association Type Recovery used to association LSPs of
same tunnel for recovery";
reference "RFC4872";
}
identity association-type-resource-sharing {
base association-type;
description
"Association Type Resource Sharing used to enable resource
sharing during make-before-break.";
reference "RFC4873";
}
identity association-type-double-sided-bidir {
base association-type;
description
"Association Type Double Sided bidirectional used to associate
two LSPs of two tunnels that are independently configured on
either endpoint";
reference "RFC7551";
}
identity association-type-single-sided-bidir {
base association-type;
description
"Association Type Single Sided bidirectional used to associate
two LSPs of two tunnels, where a tunnel is configured on one
side/endpoint, and the other tunnel is dynamically created on
the other endpoint";
reference "RFC7551";
}
identity objective-function-type {
description "Base objective function type";
reference "RFC4657";
}
identity of-minimize-cost-path {
base objective-function-type;
description
"Minimize cost of path objective function";
reference "RFC5541";
}
identity of-minimize-load-path {
base objective-function-type;
description
"Minimize the load on path(s) objective
function";
}
identity of-maximize-residual-bandwidth {
base objective-function-type;
description
"Maximize the residual bandwidth objective
function";
}
identity of-minimize-agg-bandwidth-consumption {
base objective-function-type;
description
"minimize the aggregate bandwidth consumption
objective function";
}
identity of-minimize-load-most-loaded-link {
base objective-function-type;
description
"Minimize the load on the most loaded link
objective function";
}
identity of-minimize-cost-path-set {
base objective-function-type;
description
"Minimize the cost on a path set objective
function";
}
identity path-computation-method {
description
"base identity for supported path computation
mechanisms";
}
identity path-locally-computed {
base path-computation-method;
description
"indicates a constrained-path LSP in which the
path is computed by the local LER";
}
identity path-externally-queried {
base path-computation-method;
description
"Constrained-path LSP in which the path is
obtained by querying an external source, such as a PCE server.
In the case that an LSP is defined to be externally queried, it
may also have associated explicit definitions (provided
to the external source to aid computation); and the path that is
returned by the external source is not required to provide a
wholly resolved path back to the originating system - that is to
say, some local computation may also be required";
}
identity path-explicitly-defined {
base path-computation-method;
description
"constrained-path LSP in which the path is
explicitly specified as a collection of strict or/and loose
hops";
}
identity lsp-metric-type {
description
"Base identity for types of LSP metric specification";
}
identity lsp-metric-relative {
base lsp-metric-type;
description
"The metric specified for the LSPs to which this identity refers
is specified as a relative value to the IGP metric cost to the
LSP's tail-end.";
}
identity lsp-metric-absolute {
base lsp-metric-type;
description
"The metric specified for the LSPs to which this identity refers
is specified as an absolute value";
}
identity lsp-metric-inherited {
base lsp-metric-type;
description
"The metric for the LSPs to which this identity refers is
not specified explicitly - but rather inherited from the IGP
cost directly";
}
identity te-tunnel-type {
description
"Base identity from which specific tunnel types are
derived.";
}
identity te-tunnel-p2p {
base te-tunnel-type;
description
"TE point-to-point tunnel type.";
}
identity te-tunnel-p2mp {
base te-tunnel-type;
description
"TE point-to-multipoint tunnel type.";
reference "RFC4875";
}
identity tunnel-action-type {
description
"Base identity from which specific tunnel action types
are derived.";
}
identity tunnel-action-resetup {
base tunnel-action-type;
description
"TE tunnel action resetup. Tears the
tunnel's current LSP (if any) and
attempts to re-establish a new LSP";
}
identity tunnel-action-reoptimize {
base tunnel-action-type;
description
"TE tunnel action reoptimize.
Reoptimizes placement of the tunnel LSP(s)";
}
identity tunnel-action-switchpath {
base tunnel-action-type;
description
"TE tunnel action switchpath
Switches the tunnel's LSP to use the specified path";
}
identity te-action-result {
description
"Base identity from which specific TE action results
are derived.";
}
identity te-action-success {
base te-action-result;
description "TE action successful.";
}
identity te-action-fail {
base te-action-result;
description "TE action failed.";
}
identity tunnel-action-inprogress {
base te-action-result;
description "TE action inprogress.";
}
identity tunnel-admin-state-type {
description
"Base identity for TE tunnel admin states";
}
identity tunnel-admin-state-up {
base tunnel-admin-state-type;
description "Tunnel administratively state up";
}
identity tunnel-admin-state-down {
base tunnel-admin-state-type;
description "Tunnel administratively state down";
}
identity tunnel-state-type {
description
"Base identity for TE tunnel states";
}
identity tunnel-state-up {
base tunnel-state-type;
description "Tunnel state up";
}
identity tunnel-state-down {
base tunnel-state-type;
description "Tunnel state down";
}
identity lsp-state-type {
description
"Base identity for TE LSP states";
}
identity lsp-path-computing {
base lsp-state-type;
description
"State path compute in progress";
}
identity lsp-path-computation-ok {
base lsp-state-type;
description
"State path compute successful";
}
identity lsp-path-computation-failed {
base lsp-state-type;
description
"State path compute failed";
}
identity lsp-state-setting-up {
base lsp-state-type;
description
"State setting up";
}
identity lsp-state-setup-ok {
base lsp-state-type;
description
"State setup successful";