module ietf-te-topology { | |
yang-version 1; | |
namespace "urn:ietf:params:xml:ns:yang:ietf-te-topology"; | |
// replace with IANA namespace when assigned | |
prefix "tet"; | |
import ietf-inet-types { | |
prefix "inet"; | |
} | |
import ietf-schedule { | |
prefix "sch"; | |
} | |
import ietf-te-types { | |
prefix "te-types"; | |
} | |
import ietf-network { | |
prefix "nw"; | |
} | |
import ietf-network-topology { | |
prefix "nt"; | |
} | |
organization | |
"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: Xufeng Liu | |
<mailto:xliu@kuatrotech.com> | |
Editor: Igor Bryskin | |
<mailto:Igor.Bryskin@huawei.com> | |
Editor: Vishnu Pavan Beeram | |
<mailto:vbeeram@juniper.net> | |
Editor: Tarek Saad | |
<mailto:tsaad@cisco.com> | |
Editor: Himanshu Shah | |
<mailto:hshah@ciena.com> | |
Editor: Oscar Gonzalez De Dios | |
<mailto:oscar.gonzalezdedios@telefonica.com>"; | |
description "TE topology model"; | |
revision "2016-03-17" { | |
description "Initial revision"; | |
reference "TBD"; | |
} | |
/* | |
* Features | |
*/ | |
feature configuration-schedule { | |
description | |
"This feature indicates that the system supports | |
configuration scheduling."; | |
} | |
feature te-topology-hierarchy { | |
description | |
"This feature indicates that the system allows underlay | |
and/or overlay TE topology hierarchy."; | |
} | |
feature te-performance-metric { | |
description | |
"This feature indicates that the system supports | |
TE performance metric defined in | |
RFC7471: OSPF Traffic Engineering (TE) Metric Extensions."; | |
} | |
feature template { | |
description | |
"This feature indicates that the system supports | |
template configuration."; | |
} | |
/* | |
* Typedefs | |
*/ | |
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."; | |
} | |
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 inet:ip-address; | |
description | |
"An identifier for a node in a topology. | |
The identifier is represented as an IPv4 or IPv6 address. | |
This attribute is mapped to Router ID in | |
RFC3630, RFC5329, RFC5305, and RFC 6119."; | |
} | |
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-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 failuer/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 string { | |
pattern '/?([a-zA-Z0-9\-_.]+)(/[a-zA-Z0-9\-_.]+)*'; | |
} | |
description | |
"An identifier for a topology."; | |
} | |
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."; | |
} | |
/* | |
* Identities | |
*/ | |
/* | |
* Groupings | |
*/ | |
grouping information-source-attributes { | |
description | |
"The attributes identifying source that has provided the | |
related information, and the source credibility."; | |
leaf information-source { | |
type enumeration { | |
enum "unknown" { | |
description "The source is unknown."; | |
} | |
enum "locally-configured" { | |
description "Configured entity."; | |
} | |
enum "ospfv2" { | |
description "OSPFv2."; | |
} | |
enum "ospfv3" { | |
description "OSPFv3."; | |
} | |
enum "isis" { | |
description "ISIS."; | |
} | |
enum "system-processed" { | |
description "System processed entity."; | |
} | |
enum "other" { | |
description "Other source."; | |
} | |
} | |
description | |
"Indicates the source of the information."; | |
} | |
container information-source-state { | |
description | |
"The container contains state attributes related to | |
the information source."; | |
leaf credibility-preference { | |
type uint16; | |
description | |
"The preference value to calculate the traffic | |
engineering database credibility value used for | |
tie-break selection between different | |
information-source values. | |
Higher value is more preferable."; | |
} | |
container topology { | |
description | |
"When the information is processed by the system, | |
the attributes in this container indicate which topology | |
is used to process to generate the result information."; | |
uses te-topology-ref; | |
} // topology | |
leaf routing-instance { | |
type string; | |
description | |
"When applicable, this is the name of a routing instance | |
from which the information is learned."; | |
} // routing-information | |
} | |
} // information-source-attributes | |
grouping performance-metric-attributes { | |
description | |
"Link performance information in real time."; | |
reference | |
"RFC7471: OSPF Traffic Engineering (TE) Metric Extensions."; | |
leaf unidirectional-delay { | |
type uint32 { | |
range 0..16777215; | |
} | |
description "Delay or latency in micro seconds."; | |
} | |
leaf unidirectional-min-delay { | |
type uint32 { | |
range 0..16777215; | |
} | |
description "Minimum delay or latency in micro seconds."; | |
} | |
leaf unidirectional-max-delay { | |
type uint32 { | |
range 0..16777215; | |
} | |
description "Maximum delay or latency in micro seconds."; | |
} | |
leaf unidirectional-delay-variation { | |
type uint32 { | |
range 0..16777215; | |
} | |
description "Delay variation in micro seconds."; | |
} | |
leaf unidirectional-packet-loss { | |
type decimal64 { | |
fraction-digits 6; | |
range "0 .. 50.331642"; | |
} | |
description | |
"Packet loss as a percentage of the total traffic sent | |
over a configurable interval. The finest precision is | |
0.000003%."; | |
} | |
leaf unidirectional-residual-bandwidth { | |
type decimal64 { | |
fraction-digits 2; | |
} | |
description | |
"Residual bandwidth that subtracts tunnel | |
reservations from Maximum Bandwidth (or link capacity) | |
[RFC3630] and provides an aggregated remainder across QoS | |
classes."; | |
} | |
leaf unidirectional-available-bandwidth { | |
type decimal64 { | |
fraction-digits 2; | |
} | |
description | |
"Available bandwidth that is defined to be residual | |
bandwidth minus the measured bandwidth used for the | |
actual forwarding of non-RSVP-TE LSP packets. For a | |
bundled link, available bandwidth is defined to be the | |
sum of the component link available bandwidths."; | |
} | |
leaf unidirectional-utilized-bandwidth { | |
type decimal64 { | |
fraction-digits 2; | |
} | |
description | |
"Bandwidth utilization that represents the actual | |
utilization of the link (i.e. as measured in the router). | |
For a bundled link, bandwidth utilization is defined to | |
be the sum of the component link bandwidth | |
utilizations."; | |
} | |
} // performance-metric-attributes | |
grouping performance-metric-normality-attributes { | |
description | |
"Link performance metric normality attributes."; | |
reference | |
"RFC7471: OSPF Traffic Engineering (TE) Metric Extensions."; | |
leaf unidirectional-delay { | |
type performance-metric-normality; | |
description "Delay normality."; | |
} | |
leaf unidirectional-min-delay { | |
type performance-metric-normality; | |
description "Minimum delay or latency normality."; | |
} | |
leaf unidirectional-max-delay { | |
type performance-metric-normality; | |
description "Maximum delay or latency normality."; | |
} | |
leaf unidirectional-delay-variation { | |
type performance-metric-normality; | |
description "Delay variation normality."; | |
} | |
leaf unidirectional-packet-loss { | |
type performance-metric-normality; | |
description "Packet loss normality."; | |
} | |
leaf unidirectional-residual-bandwidth { | |
type performance-metric-normality; | |
description "Residual bandwidth normality."; | |
} | |
leaf unidirectional-available-bandwidth { | |
type performance-metric-normality; | |
description "Available bandwidth normality."; | |
} | |
leaf unidirectional-utilized-bandwidth { | |
type performance-metric-normality; | |
description "Bandwidth utilization normality."; | |
} | |
} // performance-metric-normality-attributes | |
grouping performance-metric-throttle-container { | |
description | |
"A container controlling performance metric throttle."; | |
container performance-metric-throttle { | |
if-feature te-performance-metric; | |
/*must "suppression-interval >= measure-interval" { | |
error-message | |
"suppression-interval cannot be less then | |
measure-interval."; | |
description | |
"Constraint on suppression-interval and | |
measure-interval."; | |
}*/ | |
description | |
"Link performance information in real time."; | |
reference | |
"RFC7471: OSPF Traffic Engineering (TE) Metric Extensions."; | |
leaf unidirectional-delay-offset { | |
type uint32 { | |
range 0..16777215; | |
} | |
description | |
"Offset value to be added to the measured delay value."; | |
} | |
leaf measure-interval { | |
type uint32; | |
default 30; | |
description | |
"Interval in seconds to measure the extended metric | |
values."; | |
} | |
leaf advertisement-interval { | |
type uint32; | |
description | |
"Interval in seconds to advertise the extended metric | |
values."; | |
} | |
leaf suppression-interval { | |
type uint32 { | |
range "1..max"; | |
} | |
default 120; | |
description | |
"Interval in seconds to suppress advertising the extended | |
metric values."; | |
} | |
container threshold-out { | |
uses performance-metric-attributes; | |
description | |
"If the measured parameter falls outside an upper bound | |
for all but the min delay metric (or lower bound for | |
min-delay metric only) and the advertised value is not | |
already outside that bound, anomalous announcement will be | |
triggered."; | |
} | |
container threshold-in { | |
uses performance-metric-attributes; | |
description | |
"If the measured parameter falls inside an upper bound | |
for all but the min delay metric (or lower bound for | |
min-delay metric only) and the advertised value is not | |
already inside that bound, normal (anomalous-flag cleared) | |
announcement will be triggered."; | |
} | |
container threshold-accelerated-advertisement { | |
description | |
"When the difference between the last advertised value and | |
current measured value exceed this threshold, anomalous | |
announcement will be triggered."; | |
uses performance-metric-attributes; | |
} | |
} | |
} // performance-metric-throttle-container | |
grouping te-link-augment { | |
description | |
"Augmentation for TE link."; | |
container te { | |
presence "TE support."; | |
description | |
"Indicates TE support."; | |
container config { | |
description | |
"Configuration data."; | |
uses te-link-config; | |
} // config | |
container state { | |
config false; | |
description | |
"Operational state data."; | |
uses te-link-config; | |
uses te-link-state-derived; | |
} // state | |
} // te | |
} // te-link-augment | |
grouping te-link-config { | |
description | |
"TE link configuration grouping."; | |
choice bundle-stack-level { | |
description | |
"The TE link can be partitioned into bundled | |
links, or component links."; | |
case bundle { | |
container bundled-links { | |
description | |
"A set of bundled links."; | |
reference | |
"RFC4201: Link Bundling in MPLS Traffic Engineering | |
(TE)."; | |
list bundled-link { | |
key "sequence"; | |
description | |
"Specify a bundled interface that is | |
further partitioned."; | |
leaf sequence { | |
type uint32; | |
description | |
"Identify the sequence in the bundle."; | |
} | |
leaf src-tp-ref { | |
type nt:tp-id; | |
description | |
"Reference to another TE termination point on the | |
same souruce node."; | |
} | |
leaf des-tp-ref { | |
type nt:tp-id; | |
description | |
"Reference to another TE termination point on the | |
same destination node."; | |
} | |
} // list bundled-link | |
} | |
} | |
case component { | |
container component-links { | |
description | |
"A set of component links"; | |
list component-link { | |
key "sequence"; | |
description | |
"Specify a component interface that is | |
sufficient to unambiguously identify the | |
appropriate resources"; | |
leaf sequence { | |
type uint32; | |
description | |
"Identify the sequence in the bundle."; | |
} | |
leaf src-interface-ref { | |
type string; | |
description | |
"Reference to component link interface on the | |
source node."; | |
} | |
leaf des-interface-ref { | |
type string; | |
description | |
"Reference to component link interface on the | |
destinatioin node."; | |
} | |
} | |
} | |
} | |
} // bundle-stack-level | |
leaf-list te-link-template { | |
if-feature template; | |
type te-template-name; | |
description | |
"The reference to a TE link template."; | |
} | |
uses te-link-config-attributes; | |
} // te-link-config | |
grouping te-link-config-attributes { | |
description | |
"Link configuration attributes in a TE topology."; | |
container te-link-attributes { | |
description "Link attributes in a TE topology."; | |
uses sch:schedules; | |
leaf access-type { | |
type te-link-access-type; | |
description | |
"Link access type, which can be point-to-point or | |
multi-access."; | |
} | |
leaf is-abstract { | |
type empty; | |
description "Present if the link is abstract."; | |
} | |
leaf name { | |
type string; | |
description "Link Name."; | |
} | |
container underlay { | |
if-feature te-topology-hierarchy; | |
presence | |
"Indicates the underlay exists for this link."; | |
description "Attributes of the te-link underlay."; | |
reference | |
"RFC4206: Label Switched Paths (LSP) Hierarchy with | |
Generalized Multi-Protocol Label Switching (GMPLS) | |
Traffic Engineering (TE)"; | |
uses te-link-underlay-attributes; | |
} // underlay | |
leaf admin-status { | |
type te-admin-status; | |
description | |
"The administrative state of the link."; | |
} | |
uses performance-metric-throttle-container; | |
uses te-link-info-attributes; | |
} // te-link-attributes | |
} // te-link-config-attributes | |
grouping te-link-info-attributes { | |
description | |
"Advertised TE information attributes."; | |
leaf link-index { | |
type uint64; | |
description | |
"The link identifier. If OSPF is used, this represents an | |
ospfLsdbID. If IS-IS is used, this represents an isisLSPID. | |
If a locally configured link is used, this object represents | |
a unique value, which is locally defined in a router."; | |
} | |
leaf administrative-group { | |
type te-types:admin-groups; | |
description | |
"Administrative group or color of the link. | |
This attribute covers both administrative group (defined in | |
RFC3630, RFC5329, and RFC5305), and extended administrative | |
group (defined in RFC7308)."; | |
} | |
leaf max-link-bandwidth { | |
type decimal64 { | |
fraction-digits 2; | |
} | |
description | |
"Maximum bandwidth that can be seen on this link in this | |
direction. Units in bytes per second."; | |
reference | |
"RFC3630: Traffic Engineering (TE) Extensions to OSPF | |
Version 2. | |
RFC5305: IS-IS Extensions for Traffic Engineering."; | |
} | |
leaf max-resv-link-bandwidth { | |
type decimal64 { | |
fraction-digits 2; | |
} | |
description | |
"Maximum amount of bandwidth that can be reserved in this | |
direction in this link. Units in bytes per second."; | |
reference | |
"RFC3630: Traffic Engineering (TE) Extensions to OSPF | |
Version 2. | |
RFC5305: IS-IS Extensions for Traffic Engineering."; | |
} | |
list unreserved-bandwidth { | |
key "priority"; | |
max-elements "8"; | |
description | |
"Unreserved bandwidth for 0-7 priority levels. Units in | |
bytes per second."; | |
reference | |
"RFC3630: Traffic Engineering (TE) Extensions to OSPF | |
Version 2. | |
RFC5305: IS-IS Extensions for Traffic Engineering."; | |
leaf priority { | |
type uint8 { | |
range "0..7"; | |
} | |
description "Priority."; | |
} | |
leaf bandwidth { | |
type decimal64 { | |
fraction-digits 2; | |
} | |
description | |
"Unreserved bandwidth for this level."; | |
} | |
} | |
leaf te-default-metric { | |
type uint32; | |
description | |
"Traffic Engineering Metric."; | |
} | |
container performance-metric { | |
if-feature te-performance-metric; | |
description | |
"Link performance information in real time."; | |
reference | |
"RFC7471: OSPF Traffic Engineering (TE) Metric Extensions."; | |
container measurement { | |
description | |
"Measured performance metric values. Static configuration | |
and manual overrides of these measurements are also | |
allowed."; | |
uses performance-metric-attributes; | |
} | |
container normality | |
{ | |
description | |
"Performance metric normality values."; | |
uses performance-metric-normality-attributes; | |
} | |
} | |
leaf link-protection-type { | |
type enumeration { | |
enum "unprotected" { | |
description "Unprotected."; | |
} | |
enum "extra-traffic" { | |
description "Extra traffic."; | |
} | |
enum "shared" { | |
description "Shared."; | |
} | |
enum "1-for-1" { | |
description "One for one protection."; | |
} | |
enum "1-plus-1" { | |
description "One plus one protection."; | |
} | |
enum "enhanced" { | |
description "Enhanced protection."; | |
} | |
} | |
description | |
"Link Protection Type desired for this link."; | |
reference | |
"RFC4202: Routing Extensions in Support of | |
Generalized Multi-Protocol Label Switching (GMPLS)."; | |
} | |
list interface-switching-capability { | |
key "switching-capability"; | |
description | |
"List of Interface Switching Capabilities Descriptors (ISCD) | |
for this link."; | |
reference | |
"RFC3471: Generalized Multi-Protocol Label Switching (GMPLS) | |
Signaling Functional Description. | |
RFC4203: OSPF Extensions in Support of Generalized | |
Multi-Protocol Label Switching (GMPLS)."; | |
leaf switching-capability { | |
type string; | |
description | |
"Switching Capability for this interface."; | |
} | |
leaf encoding { | |
type string; | |
description | |
"Encoding supported by this interface."; | |
} | |
list max-lsp-bandwidth { | |
key "priority"; | |
max-elements "8"; | |
description | |
"Maximum LSP Bandwidth at priorities 0-7."; | |
leaf priority { | |
type uint8 { | |
range "0..7"; | |
} | |
description "Priority."; | |
} | |
leaf bandwidth { | |
type decimal64 { | |
fraction-digits 2; | |
} | |
description | |
"Max LSP Bandwidth for this level"; | |
} | |
} | |
container time-division-multiplex-capable { | |
when "../switching-capability = 'TDM'" { | |
description "Valid only for TDM"; | |
} | |
description | |
"Interface has time-division multiplex capabilities."; | |
leaf minimum-lsp-bandwidth { | |
type decimal64 { | |
fraction-digits 2; | |
} | |
description | |
"Minimum LSP Bandwidth. Units in bytes per second."; | |
} | |
leaf indication { | |
type enumeration { | |
enum "standard" { | |
description | |
"Indicates support of standard SONET/SDH."; | |
} | |
enum "arbitrary" { | |
description | |
"Indicates support of arbitrary SONET/SDH."; | |
} | |
} | |
description | |
"Indication whether the interface supports Standard or | |
Arbitrary SONET/SDH"; | |
} | |
} | |
list interface-adjustment-capability { | |
key "upper-sc"; | |
description | |
"List of Interface Adjustment Capability Descriptors (IACD) | |
for this link."; | |
reference | |
"RFC6001: Generalized MPLS (GMPLS) Protocol Extensions | |
for Multi-Layer and Multi-Region Networks (MLN/MRN)."; | |
leaf upper-sc { | |
type string; | |
description | |
"Switching Capability for this interface."; | |
} | |
leaf upper-encoding { | |
type string; | |
description | |
"Encoding supported by this interface."; | |
} | |
list max-lsp-bandwidth { | |
key "priority"; | |
max-elements "8"; | |
description | |
"Maximum LSP Bandwidth at priorities 0-7."; | |
leaf priority { | |
type uint8 { | |
range "0..7"; | |
} | |
description "Priority."; | |
} | |
leaf bandwidth { | |
type decimal64 { | |
fraction-digits 2; | |
} | |
description | |
"Max LSP Bandwidth for this level."; | |
} | |
} | |
} // interface-adjustment-capability | |
} // interface-switching-capability | |
container te-srlgs { | |
description | |
"A list of SLRGs."; | |
leaf-list values { | |
type te-types:srlg; | |
description "SRLG value."; | |
reference | |
"RFC4202: Routing Extensions in Support of | |
Generalized Multi-Protocol Label Switching (GMPLS)."; | |
} | |
} | |
} // te-link-info-attributes | |
grouping te-link-state-derived { | |
description | |
"Link state attributes in a TE topology."; | |
leaf oper-status { | |
type te-oper-status; | |
description | |
"The current operational state of the link."; | |
} | |
uses information-source-attributes; | |
list alt-information-sources { | |
key "information-source"; | |
description | |
"A list of information sources learned but not used."; | |
uses information-source-attributes; | |
uses te-link-info-attributes; | |
} | |
container recovery { | |
description | |
"Status of the recovery process."; | |
leaf restoration-status { | |
type te-recovery-status; | |
description | |
"Restoration status."; | |
} | |
leaf protection-status { | |
type te-recovery-status; | |
description | |
"Protection status."; | |
} | |
} | |
container underlay { | |
if-feature te-topology-hierarchy; | |
description "State attributes for te-link underlay."; | |
uses te-link-state-underlay-attributes; | |
} | |
} // te-link-state-derived | |
grouping te-link-state-underlay-attributes { | |
description "State attributes for te-link underlay."; | |
leaf dynamic { | |
type boolean; | |
description | |
"true if the underlay is dynamically created."; | |
} | |
leaf committed { | |
type boolean; | |
description | |
"true if the underlay is committed."; | |
} | |
} // te-link-state-underlay-attributes | |
grouping te-link-underlay-attributes { | |
description "Attributes for te-link underlay."; | |
reference | |
"RFC4206: Label Switched Paths (LSP) Hierarchy with | |
Generalized Multi-Protocol Label Switching (GMPLS) | |
Traffic Engineering (TE)"; | |
container underlay-primary-path { | |
description | |
"The service path on the underlay topology that | |
supports this link."; | |
uses te-topology-ref; | |
list path-element { | |
key "path-element-id"; | |
description | |
"A list of path elements describing the service path."; | |
leaf path-element-id { | |
type uint32; | |
description "To identify the element in a path."; | |
} | |
uses te-path-element; | |
} | |
} // underlay-primary-path | |
list underlay-backup-path { | |
key "index"; | |
description | |
"A list of backup service paths on the underlay topology that | |
protect the underlay primary path. If the primary path is | |
not protected, the list contains zero elements. If the | |
primary path is protected, the list contains one or more | |
elements."; | |
leaf index { | |
type uint32; | |
description | |
"A sequence number to identify a backup path."; | |
} | |
uses te-topology-ref; | |
list path-element { | |
key "path-element-id"; | |
description | |
"A list of path elements describing the backup service | |
path"; | |
leaf path-element-id { | |
type uint32; | |
description "To identify the element in a path."; | |
} | |
uses te-path-element; | |
} | |
} // underlay-backup-path | |
leaf underlay-protection-type { | |
type uint16; | |
description | |
"Underlay protection type desired for this link"; | |
} | |
container underlay-trail-src { | |
uses nt:tp-ref; | |
description | |
"Source TE link of the underlay trail."; | |
} | |
container underlay-trail-des { | |
uses nt:tp-ref; | |
description | |
"Destination TE link of the underlay trail."; | |
} | |
} // te-link-underlay-attributes | |
grouping te-node-augment { | |
description | |
"Augmentation for TE node."; | |
container te { | |
presence "TE support."; | |
description | |
"Indicates TE support."; | |
leaf te-node-id { | |
type te-node-id; | |
mandatory true; | |
description | |
"The identifier of a node in the TE topology. | |
A node is specific to a topology to which it belongs."; | |
} | |
container config { | |
description | |
"Configuration data."; | |
uses te-node-config; | |
} // config | |
container state { | |
config false; | |
description | |
"Operational state data."; | |
uses te-node-config; | |
uses te-node-state-derived; | |
} // state | |
list tunnel-termination-point { | |
key "tunnel-tp-id"; | |
description | |
"A termination point can terminate a tunnel."; | |
leaf tunnel-tp-id { | |
type binary; | |
description | |
"Tunnel termination point identifier."; | |
} | |
container config { | |
description | |
"Configuration data."; | |
uses te-node-tunnel-termination-capability; | |
} | |
container state { | |
config false; | |
description | |
"Operational state data."; | |
uses te-node-tunnel-termination-capability; | |
leaf switching-capability { | |
type string; | |
mandatory true; | |
description | |
"Switching Capability."; | |
} | |
leaf encoding { | |
type string; | |
mandatory true; | |
description | |
"Encoding type."; | |
} | |
} // state | |
} // tunnel-termination-point | |
} // te | |
} // te-node-augment | |
grouping te-node-config { | |
description "TE node configuration grouping."; | |
leaf-list te-node-template { | |
if-feature template; | |
type te-template-name; | |
description | |
"The reference to a TE node template."; | |
} | |
uses te-node-config-attributes; | |
} // te-node-config | |
grouping te-node-config-attributes { | |
description "Configuration node attributes in a TE topology."; | |
container te-node-attributes { | |
description "Containing node attributes in a TE topology."; | |
uses sch:schedules; | |
leaf admin-status { | |
type te-admin-status; | |
description | |
"The administrative state of the link."; | |
} | |
uses te-node-connectivity-matrix; | |
uses te-node-info-attributes; | |
} // te-node-attributes | |
} // te-node-config-attributes | |
grouping te-node-config-attributes-notification { | |
description | |
"Configuration node attributes for template in a TE topology."; | |
container te-node-attributes { | |
description "Containing node attributes in a TE topology."; | |
uses sch:schedules; | |
leaf admin-status { | |
type te-admin-status; | |
description | |
"The administrative state of the link."; | |
} | |
uses te-node-connectivity-matrix-abs; | |
uses te-node-info-attributes; | |
} // te-node-attributes | |
} // te-node-config-attributes-notification | |
grouping te-node-config-attributes-template { | |
description | |
"Configuration node attributes for template in a TE topology."; | |
container te-node-attributes { | |
description "Containing node attributes in a TE topology."; | |
uses sch:schedules; | |
leaf admin-status { | |
type te-admin-status; | |
description | |
"The administrative state of the link."; | |
} | |
uses te-node-info-attributes; | |
} // te-node-attributes | |
} // te-node-config-attributes-template | |
grouping te-node-connectivity-matrix { | |
description "Connectivity matrix on a TE node."; | |
list connectivity-matrix { | |
key "id"; | |
description | |
"Represents node's switching limitations, i.e. limitations | |
in interconnecting network TE links across the node."; | |
reference | |
"RFC7579: General Network Element Constraint Encoding | |
for GMPLS-Controlled Networks."; | |
leaf id { | |
type uint32; | |
description "Identifies the connectivity-matrix entry."; | |
} | |
container from { | |
leaf tp-ref { | |
type nt:tp-id; | |
description | |
"Relative reference to source termination point."; | |
} | |
description | |
"Reference to source NTP."; | |
} | |
container to { | |
leaf tp-ref { | |
type nt:tp-id; | |
description | |
"Relative reference to destination termination point."; | |
} | |
description | |
"Reference to destination NTP."; | |
} | |
leaf is-allowed { | |
type boolean; | |
description | |
"true - switching is allowed, | |
false - switching is disallowed."; | |
} | |
} | |
} // te-node-connectivity-matrix | |
grouping te-node-connectivity-matrix-abs { | |
description | |
"Connectivity matrix on a TE node, using absolute | |
paths to reference termination points."; | |
list connectivity-matrix { | |
key "id"; | |
description | |
"Represents node's switching limitations, i.e. limitations | |
in interconnecting network TE links across the node."; | |
reference | |
"RFC7579: General Network Element Constraint Encoding | |
for GMPLS-Controlled Networks."; | |
leaf id { | |
type uint32; | |
description "Identifies the connectivity-matrix entry."; | |
} | |
container from { | |
uses nt:tp-ref; | |
description | |
"Reference to source NTP."; | |
} | |
container to { | |
uses nt:tp-ref; | |
description | |
"Reference to destination NTP."; | |
} | |
leaf is-allowed { | |
type boolean; | |
description | |
"true - switching is allowed, | |
false - switching is disallowed."; | |
} | |
} | |
} // te-node-connectivity-matrix-abs | |
grouping te-node-info-attributes { | |
description | |
"Advertised TE information attributes."; | |
leaf domain-id { | |
type uint32; | |
description | |
"Identifies the domain that this node belongs. | |
This attribute is used to support inter-domain links."; | |
reference | |
"RFC5152: A Per-Domain Path Computation Method for | |
Establishing Inter-Domain Traffic Engineering (TE) | |
Label Switched Paths (LSPs). | |
RFC5392: OSPF Extensions in Support of Inter-Autonomous | |
System (AS) MPLS and GMPLS Traffic Engineering. | |
RFC5316: ISIS Extensions in Support of Inter-Autonomous | |
System (AS) MPLS and GMPLS Traffic Engineering."; | |
} | |
leaf is-abstract { | |
type empty; | |
description | |
"Present if the node is abstract, not present if the node | |
is actual."; | |
} | |
leaf name { | |
type inet:domain-name; | |
description "Node name."; | |
} | |
leaf-list signaling-address { | |
type inet:ip-address; | |
description "Node signaling address."; | |
} | |
container underlay-topology { | |
if-feature te-topology-hierarchy; | |
description | |
"When an abstract node encapsulates a topology, | |
the attributes in this container point to said topology."; | |
uses te-topology-ref; | |
} | |
} // te-node-info-attributes | |
grouping te-node-state-derived { | |
description "Node state attributes in a TE topology."; | |
leaf oper-status { | |
type te-oper-status; | |
description | |
"The current operational state of the node."; | |
} | |
leaf is-multi-access-dr { | |
type empty; | |
description | |
"The presence of this attribute indicates that this TE node | |
is a pseudonode elected as a designated router."; | |
reference | |
"RFC3630: Traffic Engineering (TE) Extensions to OSPF | |
Version 2. | |
RFC1195: Use of OSI IS-IS for Routing in TCP/IP and Dual | |
Environments."; | |
} | |
uses information-source-attributes; | |
list alt-information-sources { | |
key "information-source"; | |
description | |
"A list of information sources learned but not used."; | |
uses information-source-attributes; | |
uses te-node-connectivity-matrix; | |
uses te-node-info-attributes; | |
} | |
} // te-node-state-derived | |
grouping te-node-state-derived-notification { | |
description "Node state attributes in a TE topology."; | |
leaf oper-status { | |
type te-oper-status; | |
description | |
"The current operational state of the node."; | |
} | |
leaf is-multi-access-dr { | |
type empty; | |
description | |
"The presence of this attribute indicates that this TE node | |
is a pseudonode elected as a designated router."; | |
reference | |
"RFC3630: Traffic Engineering (TE) Extensions to OSPF | |
Version 2. | |
RFC1195: Use of OSI IS-IS for Routing in TCP/IP and Dual | |
Environments."; | |
} | |
uses information-source-attributes; | |
list alt-information-sources { | |
key "information-source"; | |
description | |
"A list of information sources learned but not used."; | |
uses information-source-attributes; | |
uses te-node-connectivity-matrix-abs; | |
uses te-node-info-attributes; | |
} | |
} // te-node-state-derived-notification | |
grouping te-node-tunnel-termination-capability { | |
description | |
"Termination capability of a tunnel termination point on a | |
TE node."; | |
list termination-capability { | |
key "link-tp"; | |
description | |
"The termination capabilities between | |
tunnel-termination-point and link termination-point. | |
The capability information can be used to compute | |
the tunnel path."; | |
leaf link-tp { | |
type nt:tp-id; | |
description | |
"Link termination point."; | |
} | |
} // termination-capability | |
} // te-node-tunnel-termination-capability | |
grouping te-path-element { | |
description | |
"A group of attributes defining an element in a TE path | |
such as TE node, TE link, TE atomic resource or label."; | |
uses te-types:explicit-route-subobject; | |
} // te-path-element | |
grouping te-termination-point-augment { | |
description | |
"Augmentation for TE termination point."; | |
container te { | |
presence "TE support."; | |
description | |
"Indicates TE support."; | |
leaf te-tp-id { | |
type te-tp-id; | |
mandatory true; | |
description | |
"An identifier to uniquely identify a TE termination | |
point."; | |
} | |
container config { | |
description | |
"Configuration data."; | |
uses te-termination-point-config; | |
} // config | |
container state { | |
config false; | |
description | |
"Operational state data."; | |
uses te-termination-point-config; | |
} // state | |
} // te | |
} // te-termination-point-augment | |
grouping te-termination-point-config { | |
description | |
"TE termination point configuration grouping."; | |
uses sch:schedules; | |
} // te-termination-point-config | |
grouping te-topologies-augment { | |
description | |
"Augmentation for TE topologies."; | |
container te { | |
presence "TE support."; | |
description | |
"Indicates TE support."; | |
container templates { | |
description | |
"Configuration parameters for templates used for TE | |
topology."; | |
list node-template { | |
if-feature template; | |
key "name"; | |
leaf name { | |
type te-template-name; | |
description | |
"The name to identify a TE node template."; | |
} | |
description | |
"The list of TE node templates used to define sharable | |
and reusable TE node attributes."; | |
uses template-attributes; | |
uses te-node-config-attributes-template; | |
} // node-template | |
list link-template { | |
if-feature template; | |
key "name"; | |
leaf name { | |
type te-template-name; | |
description | |
"The name to identify a TE link template."; | |
} | |
description | |
"The list of TE link templates used to define sharable | |
and reusable TE link attributes."; | |
uses template-attributes; | |
uses te-link-config-attributes; | |
} // link-template | |
} // templates | |
} // te | |
} // te-topologies-augment | |
grouping te-topology-augment { | |
description | |
"Augmentation for TE topology."; | |
container te { | |
presence "TE support."; | |
description | |
"Indicates TE support."; | |
leaf provider-id { | |
type te-global-id; | |
mandatory true; | |
description | |
"An identifier to uniquely identify a provider."; | |
} | |
leaf client-id { | |
type te-global-id; | |
mandatory true; | |
description | |
"An identifier to uniquely identify a client."; | |
} | |
leaf te-topology-id { | |
type te-topology-id; | |
mandatory true; | |
description | |
"It is presumed that a datastore will contain many | |
topologies. To distinguish between topologies it is | |
vital to have UNIQUE topology identifiers."; | |
} | |
container config { | |
description | |
"Configuration data."; | |
uses te-topology-config; | |
} // config | |
container state { | |
config false; | |
description | |
"Operational state data."; | |
uses te-topology-config; | |
} // state | |
} // te | |
} // te-topology-augment | |
grouping te-topology-config { | |
description | |
"TE topology configuration grouping."; | |
uses sch:schedules; | |
leaf preference { | |
type uint8 { | |
range "1..255"; | |
} | |
description | |
"Specifies a preference for this topology. A lower number | |
indicates a higher preference."; | |
} | |
} // te-topology-config | |
grouping te-topology-ref { | |
description | |
"References a TE topology."; | |
leaf provider-id-ref { | |
type te-global-id; | |
description | |
"A reference to a provider-id."; | |
} | |
leaf client-id-ref { | |
type te-global-id; | |
description | |
"A reference to a client-id."; | |
} | |
leaf te-topology-id-ref { | |
type tet:te-topology-id; | |
description | |
"A reference to a te-topology-id."; | |
} | |
leaf network-id-ref { | |
type nw:network-id; | |
description | |
"A reference to a network-id in base ietf-network module."; | |
} | |
} // te-topology-ref | |
grouping te-topology-type { | |
description | |
"Identifies the TE topology type."; | |
container te-topology { | |
presence "Indicates TE topology."; | |
description | |
"Its presence identifies the TE topology type."; | |
} | |
} // te-topology-type | |
grouping template-attributes { | |
description | |
"Common attributes for all templates."; | |
leaf priority { | |
type uint16; | |
description | |
"The preference value to resolve conflicts between different | |
templates. When two or more templates specify values for | |
one configuration attribute, the value from the template | |
with the highest priority is used."; | |
} | |
leaf reference-change-policy { | |
type enumeration { | |
enum no-action { | |
description | |
"When an attribute changes in this template, the | |
configuration node referring to this template does | |
not take any action."; | |
} | |
enum not-allowed { | |
description | |
"When any configuration object has a reference to this | |
template, changing this template is not allowed."; | |
} | |
enum cascade { | |
description | |
"When an attribute changes in this template, the | |
configuration object referring to this template applies | |
the new attribute value to the corresponding | |
configuration."; | |
} | |
} | |
description | |
"This attribute specifies the action taken to a configuration | |
node that has a reference to this template."; | |
} | |
} // template-attributes | |
/* | |
* Configuration data nodes | |
*/ | |
augment "/nw:networks/nw:network/nw:network-types" { | |
description | |
"Introduce new network type for TE topology."; | |
uses te-topology-type; | |
} | |
augment "/nw:networks" { | |
description | |
"Augmentation parameters for TE topologies."; | |
uses te-topologies-augment; | |
} | |
augment "/nw:networks/nw:network" { | |
when "nw:network-types/te-topology" { | |
description | |
"Augmentation parameters apply only for networks with | |
TE topology type."; | |
} | |
description | |
"Configuration parameters for TE topology."; | |
uses te-topology-augment; | |
} | |
augment "/nw:networks/nw:network/nw:node" { | |
when "../nw:network-types/te-topology" { | |
description | |
"Augmentation parameters apply only for networks with | |
TE topology type."; | |
} | |
description | |
"Configuration parameters for TE at node level."; | |
uses te-node-augment; | |
} | |
augment "/nw:networks/nw:network/nt:link" { | |
when "../nw:network-types/te-topology" { | |
description | |
"Augmentation parameters apply only for networks with | |
TE topology type."; | |
} | |
description | |
"Configuration parameters for TE at link level"; | |
uses te-link-augment; | |
} | |
augment "/nw:networks/nw:network/nw:node/" | |
+ "nt:termination-point" { | |
when "../../nw:network-types/te-topology" { | |
description | |
"Augmentation parameters apply only for networks with | |
TE topology type."; | |
} | |
description | |
"Configuration parameters for TE at termination point level"; | |
uses te-termination-point-augment; | |
} | |
/* | |
* Operational state data nodes | |
*/ | |
/* | |
* Notifications | |
*/ | |
notification te-node-event { | |
description "Notification event for TE node."; | |
leaf event-type { | |
type te-topology-event-type; | |
description "Event type."; | |
} | |
uses nw:node-ref; | |
uses te-topology-type; | |
uses tet:te-node-config-attributes-notification; | |
uses tet:te-node-state-derived-notification; | |
} | |
notification te-link-event { | |
description "Notification event for TE link."; | |
leaf event-type { | |
type te-topology-event-type; | |
description "Event type"; | |
} | |
uses nt:link-ref; | |
uses te-topology-type; | |
uses tet:te-link-config-attributes; | |
uses tet:te-link-state-derived; | |
} | |
augment "/te-link-event/te-link-attributes/underlay" { | |
description "Add state attributes to te-link underlay."; | |
uses te-link-state-underlay-attributes; | |
} | |
} |