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ietf-te-types.yang
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ietf-te-types.yang
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module ietf-te-types {
namespace "urn:ietf:params:xml:ns:yang:ietf-te-types";
/* Replace with IANA when assigned */
prefix "te-types";
import ietf-inet-types {
prefix inet;
}
import ietf-yang-types {
prefix "yang";
}
import ietf-routing-types {
prefix "rt-types";
}
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@ericsson.com>
Editor: Igor Bryskin
<mailto:Igor.Bryskin@huawei.com>";
description
"This module contains a collection of generally
useful TE specific YANG data type defintions.";
revision "2017-07-02" {
description "Latest revision of TE types";
reference "RFC3209";
}
/*
* Identities
*/
identity objective-function-type {
description "Base objective function type";
}
identity of-minimize-cost-path {
base objective-function-type;
description
"Mimimuze cost of path objective function";
}
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 (which are 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";
}
/**
* Typedefs
*/
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.";
} // te-bandwidth
typedef te-ds-class {
type uint8 {
range "0..7";
}
description
"The Differentiatied Class-Type of traffic.";
reference "RFC4124: section-4.3.1";
}
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";
}
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 for the LSPs to which this identity refers is
not specified explicitly - but rather inherited from the IGP
cost directly";
}
identity tunnel-type {
description
"Base identity from which specific tunnel types are
derived.";
}
identity tunnel-p2p {
base tunnel-type;
description
"TE point-to-point tunnel type.";
}
identity tunnel-p2mp {
base tunnel-type;
description
"TE point-to-multipoint tunnel type.";
}
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 reoptimize
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 successul.";
}
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-computatione-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";
}
identity lsp-state-setup-failed {
base lsp-state-type;
description
"State setup failed";
}
identity lsp-state-up {
base lsp-state-type;
description "State up";
}
identity lsp-state-tearing-down {
base lsp-state-type;
description
"State tearing down";
}
identity lsp-state-down {
base lsp-state-type;
description "State down";
}
identity path-invalidation-action-type {
description
"Base identity for TE path invalidation action types";
}
identity path-invalidation-action-drop-type {
base path-invalidation-action-type;
description
"TE path invalidation action drop";
}
identity path-invalidation-action-drop-tear {
base path-invalidation-action-type;
description
"TE path invalidation action tear";
}
identity lsp-prot-type {
description
"Base identity from which LSP protection types are
derived.";
}
identity lsp-prot-unprotected {
base lsp-prot-type;
description
"LSP protection 'Unprotected'";
reference "RFC4872";
}
identity lsp-prot-reroute-extra {
base lsp-prot-type;
description
"LSP protection '(Full) Rerouting'";
reference "RFC4872";
}
identity lsp-prot-reroute {
base lsp-prot-type;
description
"LSP protection 'Rerouting without Extra-Traffic'";
reference "RFC4872";
}
identity lsp-prot-1-for-n {
base lsp-prot-type;
description
"LSP protection '1:N Protection with Extra-Traffic'";
reference "RFC4872";
}
identity lsp-prot-unidir-1-to-1 {
base lsp-prot-type;
description
"LSP protection '1+1 Unidirectional Protection'";
reference "RFC4872";
}
identity lsp-prot-bidir-1-to-1 {
base lsp-prot-type;
description
"LSP protection '1+1 Bidirectional Protection'";
reference "RFC4872";
}
identity switching-capabilities {
description
"Base identity for interface switching capabilities";
}
identity switching-psc1 {
base switching-capabilities;
description
"Packet-Switch Capable-1 (PSC-1)";
}
identity switching-evpl {
base switching-capabilities;
description
"Ethernet Virtual Private Line (EVPL)";
}
identity switching-l2sc {
base switching-capabilities;
description
"Layer-2 Switch Capable (L2SC)";
}
identity switching-tdm {
base switching-capabilities;
description
"Time-Division-Multiplex Capable (TDM)";
}
identity switching-otn {
base switching-capabilities;
description
"OTN-TDM capable";
}
identity switching-dcsc {
base switching-capabilities;
description
"Data Channel Switching Capable (DCSC)";
}
identity switching-lsc {
base switching-capabilities;
description
"Lambda-Switch Capable (LSC)";
}
identity switching-fsc {
base switching-capabilities;
description
"Fiber-Switch Capable (FSC)";
}
identity lsp-encoding-types {
description
"Base identity for encoding types";
}
identity lsp-encoding-packet {
base lsp-encoding-types;
description
"Packet LSP encoding";
}
identity lsp-encoding-ethernet {
base lsp-encoding-types;
description
"Ethernet LSP encoding";
}
identity lsp-encoding-pdh {
base lsp-encoding-types;
description
"ANSI/ETSI LSP encoding";
}
identity lsp-encoding-sdh {
base lsp-encoding-types;
description
"SDH ITU-T G.707 / SONET ANSI T1.105 LSP encoding";
}
identity lsp-encoding-digital-wrapper {
base lsp-encoding-types;
description
"Digital Wrapper LSP encoding";
}
identity lsp-encoding-lambda {
base lsp-encoding-types;
description
"Lambda (photonic) LSP encoding";
}
identity lsp-encoding-fiber {
base lsp-encoding-types;
description
"Fiber LSP encoding";
}
identity lsp-encoding-fiber-channel {
base lsp-encoding-types;
description
"FiberChannel LSP encoding";
}
identity lsp-encoding-oduk {
base lsp-encoding-types;
description
"G.709 ODUk (Digital Path)LSP encoding";
}
identity lsp-encoding-optical-channel {
base lsp-encoding-types;
description
"Line (e.g., 8B/10B) LSP encoding";
}
identity lsp-encoding-line {
base lsp-encoding-types;
description
"Line (e.g., 8B/10B) LSP encoding";
}
identity path-signaling-type {
description
"Base identity from which specific path signaling
types are derived.";
}
identity path-signaling-rsvpte {
base tunnel-type;
description
"RSVP-TE path signaling type";
}
identity path-signaling-sr {
base tunnel-type;
description
"Segment-routing path signaling type";
}
identity te-path-setup-protocol {
description
"base identity for supported TE LSPs signaling
protocols";
}
identity te-path-setup-static {
base te-path-setup-protocol;
description
"Static LSP provisioning";
}
identity te-path-setup-rsvp {
base te-path-setup-protocol;
description
"RSVP-TE signaling protocol";
}
identity te-path-setup-sr {
base te-path-setup-protocol;
description
"Segment routing";
}
/* TE basic features */
feature p2mp-te {
description
"Indicates support for P2MP-TE";
}
feature frr-te {
description
"Indicates support for TE FastReroute (FRR)";
}
feature extended-admin-groups {
description
"Indicates support for TE link extended admin
groups.";
}
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";
}
identity route-usage-type {
description
"Base identity for route usage";
}
identity route-include-ero {
base route-usage-type;
description
"Include ERO from route";
}
identity route-exclude-ero {
base route-usage-type;
description
"Exclude ERO from route";
}
identity route-exclude-srlg {
base route-usage-type;
description
"Exclude SRLG from route";
}
identity path-metric-type {
description
"Base identity for path metric type";
}
identity path-metric-te {
base path-metric-type;
description
"TE path metric";
}
identity path-metric-igp {
base path-metric-type;
description
"IGP path metric";
}
identity path-metric-hop {
base path-metric-type;
description
"Hop path metric";
}
identity path-metric-delay-average {
base path-metric-type;
description
"Unidirectional average link delay";
reference "RFC7471";
}
identity path-tiebreaker-type {
description
"Base identity for path tie-breaker type";
}
identity path-tiebreaker-minfill {
base path-tiebreaker-type;
description
"Min-Fill LSP path placement";
}
identity path-tiebreaker-maxfill {
base path-tiebreaker-type;
description
"Max-Fill LSP path placement";
}
identity path-tiebreaker-randoom {
base path-tiebreaker-type;
description
"Random LSP path placement";
}
identity bidir-provisioning-mode {
description
"Base identity for bidirectional provisioning
mode.";
}
identity bidir-provisioning-single-sided {
base bidir-provisioning-mode;
description
"Single-sided bidirectional provioning mode";
}
identity bidir-provisioning-double-sided {
base bidir-provisioning-mode;
description
"Double-sided bidirectional provioning mode";
}
identity bidir-association-type {
description
"Base identity for bidirectional association type";
}
identity bidir-assoc-corouted {
base bidir-association-type;
description
"Co-routed bidirectional association type";
}
identity bidir-assoc-non-corouted {
base bidir-association-type;
description
"Non co-routed bidirectional association type";
}
identity resource-affinities-type {
description
"Base identity for resource affinities";
}
identity resource-aff-include-all {
base resource-affinities-type;
description
"The set of attribute filters associated with a
tunnel all of which must be present for a link
to be acceptable";
}
identity resource-aff-include-any {
base resource-affinities-type;
description
"The set of attribute filters associated with a
tunnel any of which must be present for a link
to be acceptable";
}
identity resource-aff-exclude-any {
base resource-affinities-type;
description
"The set of attribute filters associated with a
tunnel any of which renders a link unacceptable";
}
typedef optimization-goal {
type enumeration {
enum minimize {
description "Pick lowest path metric goal";
}
enum maximize {
description "Pick highest path metric goal";
}
enum randomize {
description
"Pick a path at random from list of
equally favorable ones";
}
}
description "TE optimization goal";
}
identity te-optimization-criterion {
description
"Base identity for TE optimization criterion.";
reference
"RFC3272: Overview and Principles of Internet Traffic
Engineering.";
}
identity not-optimized {
base te-optimization-criterion;
description "Optimization is not applied.";
}
identity cost {
base te-optimization-criterion;
description "Optimized on cost.";
}
identity delay {
base te-optimization-criterion;
description "Optimized on delay.";
}
/*
* Typedefs
*/
typedef percentage {
type uint8 {
range "0..100";
}
description
"Integer indicating a percentage value";
}
typedef performance-metric-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 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-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-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 broacast 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-node-id {
type yang:dotted-quad;
description
"An identifier for a node in a topology.
The identifier is represented as 32-bit unsigned integer in
the dotted-quad notation.
This attribute is mapped to Router ID in
RFC3630, RFC5329, RFC5305, and RFC6119.";
}
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