YANG Data Models for requesting Path Computation in Optical Networks

YANG Models for Optical Path Computation

YANG Model for WSON Path Computation

file "ietf-wson-path-computation@2022-03-07.yang" module ietf-wson-path-computation { yang-version 1.1; namespace "urn:ietf:params:xml:ns:yang:ietf-wson-path-computation"; prefix "wson-pc"; import ietf-te-path-computation { prefix "tepc"; revision-date "2021-09-06"; reference "I-D.ietf-teas-yang-path-computation-14: Yang model for requesting Path Computation."; } import ietf-te { prefix "te"; revision-date "2021-02-20"; reference "I-D.ietf-teas-yang-te-19: A YANG Data Model for Traffic Engineering Tunnels and Interfaces. "; } import ietf-layer0-types { prefix "l0-types"; } organization "IETF CCAMP Working Group"; contact "WG Web: WG List: Editor: Aihua Guo Editor: Italo Busi Editor: Sergio Belotti "; description "This module defines a model for requesting WSON Path Computation. The model fully conforms to the Network Management Datastore Architecture (NMDA). Copyright (c) 2022 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."; revision "2022-03-07" { description "Initial version."; reference "RFC XXXX: YANG Model for OTN and Optical Path Computation"; // RFC Ed.: replace XXXX with actual RFC number, update date // information and remove this note } /* * Data nodes */ augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request" { description "Augment with additional constraints for WSON paths."; uses l0-types:l0-tunnel-attributes; uses l0-types:l0-path-constraints; } augment "/te:tunnels-path-compute/te:output/" + "te:path-compute-result/tepc:response/" + "tepc:computed-paths-properties/" + "tepc:computed-path-properties/tepc:path-properties" { description "Augment with additional properties for WSON paths."; uses l0-types:l0-path-properties; } /* * Augment Route Hop */ augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:optimizations/tepc:algorithm/" + "tepc:metric/tepc:optimization-metric/" + "tepc:explicit-route-exclude-objects/" + "tepc:route-object-exclude-object/tepc:type" { description "Augment the route hop for the optimization of the explicit route objects excluded by the path computation of the requested path."; case oms-element { leaf oms-element-uid { type string; description "The unique id of the OMS element."; } description "The OMS element route hop type"; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:optimizations/tepc:algorithm/" + "tepc:metric/tepc:optimization-metric/" + "tepc:explicit-route-include-objects/" + "tepc:route-object-include-object/tepc:type" { description "Augment the route hop for the optimization of the explicit route objects included by the path computation of the requested path."; case oms-element { leaf oms-element-uid { type string; description "The unique id of the OMS element."; } description "The OMS element route hop type"; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:explicit-route-objects-always/" + "tepc:route-object-exclude-always/tepc:type" { description "Augment the route hop for the explicit route objects always excluded by the path computation of the requested path."; case oms-element { leaf oms-element-uid { type string; description "The unique id of the OMS element."; } description "The OMS element route hop type"; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:explicit-route-objects-always/" + "tepc:route-object-include-exclude/tepc:type" { description "Augment the route hop for the explicit route objects included or excluded by the path computation of the requested path."; case oms-element { leaf oms-element-uid { type string; description "The unique id of the OMS element."; } description "The OMS element route hop type"; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:synchronization/tepc:exclude-objects/tepc:excludes/" + "tepc:type" { description "Augment the route hop for the explicit route objects to always exclude from synchronized path computation."; case oms-element { leaf oms-element-uid { type string; description "The unique id of the OMS element."; } description "The OMS element route hop type"; } } augment "/te:tunnels-path-compute/te:output/" + "te:path-compute-result/tepc:response/" + "tepc:computed-paths-properties/" + "tepc:computed-path-properties/tepc:path-properties/" + "tepc:path-route-objects/tepc:path-route-object/" + "tepc:type" { description "Augment the route hop for the route object of the computed path."; case oms-element { leaf oms-element-uid { type string; description "The unique id of the OMS element."; } description "The OMS element route hop type"; } } /* * Augment TE label range information */ augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:path-in-segment/" + "tepc:label-restrictions/tepc:label-restriction" { description "Augment TE label range information for the ingress segment of the requested path."; uses l0-types:l0-label-range-info; } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:path-out-segment/" + "tepc:label-restrictions/tepc:label-restriction" { description "Augment TE label range information for the egress segment of the requested path."; uses l0-types:l0-label-range-info; } /* * Augment TE label. */ augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:optimizations/tepc:algorithm/" + "tepc:metric/tepc:optimization-metric/" + "tepc:explicit-route-exclude-objects/" + "tepc:route-object-exclude-object/tepc:type/tepc:label/" + "tepc:label-hop/tepc:te-label/tepc:technology" { description "Augment TE label hop for the optimization of the explicit route objects excluded by the path computation of the requested path."; case wson { uses l0-types:wson-label-hop; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:optimizations/tepc:algorithm/" + "tepc:metric/tepc:optimization-metric/" + "tepc:explicit-route-include-objects/" + "tepc:route-object-include-object/tepc:type/tepc:label/" + "tepc:label-hop/tepc:te-label/tepc:technology" { description "Augment TE label hop for the optimization of the explicit route objects included by the path computation of the requested path."; case wson { uses l0-types:wson-label-hop; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:explicit-route-objects-always/" + "tepc:route-object-exclude-always/tepc:type/tepc:label/" + "tepc:label-hop/tepc:te-label/tepc:technology" { description "Augment TE label hop for the explicit route objects always excluded by the path computation of the requested path."; case wson { uses l0-types:wson-label-hop; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:explicit-route-objects-always/" + "tepc:route-object-include-exclude/tepc:type/tepc:label/" + "tepc:label-hop/tepc:te-label/tepc:technology" { description "Augment TE label hop for the explicit route objects included or excluded by the path computation of the requested path."; case wson { uses l0-types:wson-label-hop; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:path-in-segment/" + "tepc:label-restrictions/tepc:label-restriction/" + "tepc:label-start/tepc:te-label/tepc:technology" { description "Augment TE label range start for the ingress segment of the requested path."; case wson { uses l0-types:wson-label-start-end; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:path-in-segment/" + "tepc:label-restrictions/tepc:label-restriction/" + "tepc:label-end/tepc:te-label/tepc:technology" { description "Augment TE label range end for the ingress segment of the requested path."; case wson { uses l0-types:wson-label-start-end; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:path-in-segment/" + "tepc:label-restrictions/tepc:label-restriction/" + "tepc:label-step/tepc:technology" { description "Augment TE label range step for the ingress segment of the requested path."; case wson { uses l0-types:wson-label-step; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:path-out-segment/" + "tepc:label-restrictions/tepc:label-restriction/" + "tepc:label-start/tepc:te-label/tepc:technology" { description "Augment TE label range start for the egress segment of the requested path."; case wson { uses l0-types:wson-label-start-end; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:path-out-segment/" + "tepc:label-restrictions/tepc:label-restriction/" + "tepc:label-end/tepc:te-label/tepc:technology" { description "Augment TE label range end for the egress segment of the requested path."; case wson { uses l0-types:wson-label-start-end; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:path-request/tepc:path-out-segment/" + "tepc:label-restrictions/tepc:label-restriction/" + "tepc:label-step/tepc:technology" { description "Augment TE label range end for the egress segment of the requested path."; case wson { uses l0-types:wson-label-step; } } augment "/te:tunnels-path-compute/te:input/te:path-compute-info/" + "tepc:synchronization/tepc:exclude-objects/tepc:excludes/" + "tepc:type/tepc:label/tepc:label-hop/" + "tepc:te-label/tepc:technology" { description "Augment TE label hop for the explicit route objects to always exclude from synchronized path computation."; case wson { uses l0-types:wson-label-hop; } } augment "/te:tunnels-path-compute/te:output/" + "te:path-compute-result/tepc:response/" + "tepc:computed-paths-properties/" + "tepc:computed-path-properties/tepc:path-properties/" + "tepc:path-route-objects/tepc:path-route-object/" + "tepc:type/tepc:label/" + "tepc:label-hop/tepc:te-label/tepc:technology" { description "Augment TE label hop for the route object of the computed path."; case wson { uses l0-types:wson-label-hop; } } }

]]>


YANG Model for Flexi-grid Path Computation

 file "ietf-flexi-grid-path-computation@2022-03-07.yang"
module ietf-flexi-grid-path-computation {
  yang-version 1.1;
  namespace
    "urn:ietf:params:xml:ns:yang:ietf-flexi-grid-path-computation";
  prefix "flexg-pc";

  import ietf-te-path-computation {
    prefix "tepc";
    revision-date "2021-09-06";
    reference 
      "I-D.ietf-teas-yang-path-computation-14: Yang model
      for requesting Path Computation.";
  }

  import ietf-te {
    prefix "te";
    revision-date "2021-02-20";
    reference
      "I-D.ietf-teas-yang-te-19: A YANG Data Model for Traffic
      Engineering Tunnels and Interfaces. ";
  }

  import ietf-layer0-types {
    prefix "l0-types";
  }

  organization
    "IETF CCAMP Working Group";
  contact
    "WG Web:   
     WG List:  

     Editor:   Aihua Guo
               

     Editor:   Italo Busi
               

     Editor:   Sergio Belotti
               ";

  description
    "This module defines a model for requesting
    Flexi-grid Path Computation.

    The model fully conforms to the Network Management 
    Datastore Architecture (NMDA).
    
    Copyright (c) 2022 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.";

  revision "2022-03-07" {
    description
      "Initial version.";
    reference
      "RFC XXXX: YANG Model for OTN and Optical Path Computation";
    // RFC Ed.: replace XXXX with actual RFC number, update date 
    // information and remove this note
  }

 /*
  * Data nodes
  */

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request" {
    description
       "Augment with additional constraints flexi-grid
        media channel.";
    uses l0-types:l0-tunnel-attributes;
    uses l0-types:l0-path-constraints;
  }

  augment "/te:tunnels-path-compute/te:output/"
        + "te:path-compute-result/tepc:response/"
        + "tepc:computed-paths-properties/"
        + "tepc:computed-path-properties/tepc:path-properties" {
    description
       "Augment with additional properties for Flexi-grid paths.";
    uses l0-types:l0-path-properties;
  }

  /*
   * Augment Route Hop
   */

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:optimizations/tepc:algorithm/"
        + "tepc:metric/tepc:optimization-metric/"
        + "tepc:explicit-route-exclude-objects/"
        + "tepc:route-object-exclude-object/tepc:type" {
    description
      "Augment the route hop for the optimization of the explicit
      route objects excluded by the path computation of the requested
      path.";
    case oms-element {
      leaf oms-element-uid {
        type string;
        description
          "The unique id of the OMS element.";
      }
      description
        "The OMS element route hop type";
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:optimizations/tepc:algorithm/"
        + "tepc:metric/tepc:optimization-metric/"
        + "tepc:explicit-route-include-objects/"
        + "tepc:route-object-include-object/tepc:type" {
    description
      "Augment the route hop for the optimization of the explicit
      route objects included by the path computation of the requested
      path.";
    case oms-element {
      leaf oms-element-uid {
        type string;
        description
          "The unique id of the OMS element.";
      }
      description
        "The OMS element route hop type";
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:explicit-route-objects-always/"
        + "tepc:route-object-exclude-always/tepc:type" {
    description
      "Augment the route hop for the explicit route objects always
      excluded by the path computation of the requested path.";
    case oms-element {
      leaf oms-element-uid {
        type string;
        description
          "The unique id of the OMS element.";
      }
      description
        "The OMS element route hop type";
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:explicit-route-objects-always/"
        + "tepc:route-object-include-exclude/tepc:type" {
    description
      "Augment the route hop for the explicit route objects included
      or excluded by the path computation of the requested path.";
    case oms-element {
      leaf oms-element-uid {
        type string;
        description
          "The unique id of the OMS element.";
      }
      description
        "The OMS element route hop type";
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:synchronization/tepc:exclude-objects/tepc:excludes/"
        + "tepc:type" {
    description
      "Augment the route hop for the explicit route objects to always
      exclude from synchronized path computation.";
    case oms-element {
      leaf oms-element-uid {
        type string;
        description
          "The unique id of the OMS element.";
      }
      description
        "The OMS element route hop type";
    }
  }

  augment "/te:tunnels-path-compute/te:output/"
        + "te:path-compute-result/tepc:response/"
        + "tepc:computed-paths-properties/"
        + "tepc:computed-path-properties/tepc:path-properties/"
        + "tepc:path-route-objects/tepc:path-route-object/"
        + "tepc:type" {
    description
      "Augment the route hop for the route object of the computed
      path.";
    case oms-element {
      leaf oms-element-uid {
        type string;
        description
          "The unique id of the OMS element.";
      }
      description
        "The OMS element route hop type";
    }
  }

  /*
   * Augment TE label range information
   */

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-in-segment/"
        + "tepc:label-restrictions/tepc:label-restriction" {
    description
      "Augment TE label range information for the ingress segment
      of the requested path.";
    uses l0-types:flexi-grid-label-range-info;
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-out-segment/"
        + "tepc:label-restrictions/tepc:label-restriction" {
    description
      "Augment TE label range information for the egress segment
      of the requested path.";
    uses l0-types:flexi-grid-label-range-info;
  }

  /*
   * Augment TE label.
   */

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:optimizations/tepc:algorithm/"
        + "tepc:metric/tepc:optimization-metric/"
        + "tepc:explicit-route-exclude-objects/"
        + "tepc:route-object-exclude-object/tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the optimization of the explicit
      route objects excluded by the path computation of the requested
      path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:optimizations/tepc:algorithm/"
        + "tepc:metric/tepc:optimization-metric/"
        + "tepc:explicit-route-include-objects/"
        + "tepc:route-object-include-object/tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the optimization of the explicit
      route objects included by the path computation of the requested
      path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:explicit-route-objects-always/"
        + "tepc:route-object-exclude-always/tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the explicit route objects always
      excluded by the path computation of the requested path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:explicit-route-objects-always/"
        + "tepc:route-object-include-exclude/tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the explicit route objects included
      or excluded by the path computation of the requested path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-in-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-start/tepc:te-label/tepc:technology" {
    description
      "Augment TE label range start for the ingress segment
      of the requested path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-start-end;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-in-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-end/tepc:te-label/tepc:technology" {
    description
      "Augment TE label range end for the ingress segment
      of the requested path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-start-end;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-in-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-step/tepc:technology" {
    description
      "Augment TE label range step for the ingress segment
      of the requested path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-step;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-out-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-start/tepc:te-label/tepc:technology" {
    description
      "Augment TE label range start for the egress segment
      of the requested path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-start-end;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-out-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-end/tepc:te-label/tepc:technology" {
    description
      "Augment TE label range end for the egress segment
      of the requested path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-start-end;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-out-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-step/tepc:technology" {
    description
      "Augment TE label range end for the egress segment
      of the requested path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-step;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:synchronization/tepc:exclude-objects/tepc:excludes/"
        + "tepc:type/tepc:label/tepc:label-hop/"
        + "tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the explicit route objects to always
      exclude from synchronized path computation.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:output/"
        + "te:path-compute-result/tepc:response/"
        + "tepc:computed-paths-properties/"
        + "tepc:computed-path-properties/tepc:path-properties/"
        + "tepc:path-route-objects/tepc:path-route-object/"
        + "tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the route object of the computed
      path.";
    case flexi-grid {
      uses l0-types:flexi-grid-label-hop;
    }
  }
}

]]>



YANG Model for OTN Path Computation

 file "ietf-otn-path-computation@2021-10-07.yang"
module ietf-otn-path-computation {
  yang-version 1.1;
  namespace "urn:ietf:params:xml:ns:yang:ietf-otn-path-computation";
  prefix "otn-pc";

  import ietf-te-path-computation {
    prefix "tepc";
    revision-date "2021-09-06";
    reference 
    "I-D.ietf-teas-yang-path-computation-14: Yang model
    for requesting Path Computation.";
  }

  import ietf-te {
    prefix "te";
    revision-date "2021-02-20";
    reference
      "I-D.ietf-teas-yang-te-19: A YANG Data Model for Traffic
      Engineering Tunnels and Interfaces. ";
  }

  import ietf-layer1-types {
    prefix "l1-types";
    reference 
    "I-D.ietf-ccamp-layer1-types: 
     A YANG Data Model for Layer 1 Types. ";
  }

  organization
    "IETF CCAMP Working Group";
  contact
    "WG Web:   
     WG List:  

     Editor:   Aihua Guo
               

     Editor:   Italo Busi
               

     Editor:   Sergio Belotti
               ";

  description
    "This module defines a model for requesting
    OTN Path Computation.

    The model fully conforms to the Network Management 
    Datastore Architecture (NMDA).
    
    Copyright (c) 2021 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.";

  revision "2021-10-07" {
    description
      "Initial version.";
    reference
      "RFC XXXX: YANG Model for OTN and Optical Path Computation";
    // RFC Ed.: replace XXXX with actual RFC number, update date 
    // information and remove this note
  }

 /*
  * Data nodes
  */

  /*
   * Augment TE bandwidth
   */

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:te-bandwidth/tepc:technology" {
    description
      "Augment TE bandwidth of the requested path.";
    case otn {
      uses l1-types:otn-path-bandwidth;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:tunnel-attributes/tepc:te-bandwidth/"
        + "tepc:technology" {
    description
      "Augment TE bandwidth of the requested tunnel attributes.";
    case otn {
      uses l1-types:otn-path-bandwidth;
    }
  }

  augment "/te:tunnels-path-compute/te:output/"
        + "te:path-compute-result/tepc:response/"
        + "tepc:computed-paths-properties/"
        + "tepc:computed-path-properties/tepc:path-properties/"
        + "tepc:te-bandwidth/tepc:technology" {
    description
      "Augment TE bandwidth of the computed path properties.";
    case otn {
      uses l1-types:otn-path-bandwidth;
    }
  }

  /*
   * Augment TE label range information
   */

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-in-segment/"
        + "tepc:label-restrictions/tepc:label-restriction" {
    description
      "Augment TE label range information for the ingress segment
      of the requested path.";
    uses l1-types:otn-label-range-info;
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-out-segment/"
        + "tepc:label-restrictions/tepc:label-restriction" {
    description
      "Augment TE label range information for the egress segment
      of the requested path.";
    uses l1-types:otn-label-range-info;
  }

  /*
   * Augment TE label.
   */

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:optimizations/tepc:algorithm/"
        + "tepc:metric/tepc:optimization-metric/"
        + "tepc:explicit-route-exclude-objects/"
        + "tepc:route-object-exclude-object/tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the optimization of the explicit
      route objects excluded by the path computation of the requested
      path.";
    case otn {
      uses l1-types:otn-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:optimizations/tepc:algorithm/"
        + "tepc:metric/tepc:optimization-metric/"
        + "tepc:explicit-route-include-objects/"
        + "tepc:route-object-include-object/tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the optimization of the explicit
      route objects included by the path computation of the requested
      path.";
    case otn {
      uses l1-types:otn-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:explicit-route-objects-always/"
        + "tepc:route-object-exclude-always/tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the explicit route objects always
      excluded by the path computation of the requested path.";
    case otn {
      uses l1-types:otn-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:explicit-route-objects-always/"
        + "tepc:route-object-include-exclude/tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the explicit route objects included
      or excluded by the path computation of the requested path.";
    case otn {
      uses l1-types:otn-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-in-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-start/tepc:te-label/tepc:technology" {
    description
      "Augment TE label range start for the ingress segment
      of the requested path.";
    case otn {
      uses l1-types:otn-label-start-end;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-in-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-end/tepc:te-label/tepc:technology" {
    description
      "Augment TE label range end for the ingress segment
      of the requested path.";
    case otn {
      uses l1-types:otn-label-start-end;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-in-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-step/tepc:technology" {
    description
      "Augment TE label range step for the ingress segment
      of the requested path.";
    case otn {
      uses l1-types:otn-label-step;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-out-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-start/tepc:te-label/tepc:technology" {
    description
      "Augment TE label range start for the egress segment
      of the requested path.";
    case otn {
      uses l1-types:otn-label-start-end;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-out-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-end/tepc:te-label/tepc:technology" {
    description
      "Augment TE label range end for the egress segment
      of the requested path.";
    case otn {
      uses l1-types:otn-label-start-end;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:path-request/tepc:path-out-segment/"
        + "tepc:label-restrictions/tepc:label-restriction/"
        + "tepc:label-step/tepc:technology" {
    description
      "Augment TE label range end for the egress segment
      of the requested path.";
    case otn {
      uses l1-types:otn-label-step;
    }
  }

  augment "/te:tunnels-path-compute/te:input/te:path-compute-info/"
        + "tepc:synchronization/tepc:exclude-objects/tepc:excludes/"
        + "tepc:type/tepc:label/tepc:label-hop/"
        + "tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the explicit route objects to always
      exclude from synchronized path computation.";
    case otn {
      uses l1-types:otn-label-hop;
    }
  }

  augment "/te:tunnels-path-compute/te:output/"
        + "te:path-compute-result/tepc:response/"
        + "tepc:computed-paths-properties/"
        + "tepc:computed-path-properties/tepc:path-properties/"
        + "tepc:path-route-objects/tepc:path-route-object/"
        + "tepc:type/tepc:label/"
        + "tepc:label-hop/tepc:te-label/tepc:technology" {
    description
      "Augment TE label hop for the route object of the computed
      path.";
    case otn {
      uses l1-types:otn-label-hop;
    }
  }
}

]]>