module ietf-te-packet-types {

    yang-version 1.1;

    namespace
      "urn:ietf:params:xml:ns:yang:ietf-te-packet-types";

    prefix te-packet-types;

    import ietf-te-types {
      prefix te-types;
      reference
        "RFC 8776: Common YANG Data Types for Traffic Engineering";


    }

    organization
      "IETF Traffic Engineering Architecture and Signaling (TEAS)
     Working Group";

    contact
      "WG Web:   <https://datatracker.ietf.org/wg/teas/>
     WG List:  <mailto:teas@ietf.org>

     Editor:   Tarek Saad
               <mailto:tsaad@juniper.net>

     Editor:   Rakesh Gandhi
               <mailto:rgandhi@cisco.com>

     Editor:   Vishnu Pavan Beeram
               <mailto:vbeeram@juniper.net>

     Editor:   Xufeng Liu
               <mailto:xufeng.liu.ietf@gmail.com>

     Editor:   Igor Bryskin
               <mailto:i_bryskin@yahoo.com>";

    description
      "This YANG module contains a collection of generally useful YANG
     data type definitions specific to MPLS TE.  The model fully
     conforms to the Network Management Datastore Architecture
     (NMDA).

     Copyright (c) 2020 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 8776; see the
     RFC itself for full legal notices.";

    revision "2020-06-10" {
      description
        "Latest revision of TE MPLS types.";
      reference
        "RFC 8776: Common YANG Data Types for Traffic Engineering";

    }


    typedef te-bandwidth-requested-type {
      type enumeration {
        enum "specified" {
          value 0;
          description
            "Bandwidth is explicitly specified.";
        }
        enum "auto" {
          value 1;
          description
            "Bandwidth is automatically computed.";
        }
      }
      description
        "Enumerated type for specifying whether bandwidth is
       explicitly specified or automatically computed.";
    }

    typedef te-class-type {
      type uint8;
      description
        "Diffserv-TE Class-Type.  Defines a set of Traffic Trunks
       crossing a link that is governed by a specific set of
       bandwidth constraints.  Class-Type is used for the purposes
       of link bandwidth allocation, constraint-based routing, and
       admission control.";
      reference
        "RFC 4124: Protocol Extensions for Support of Diffserv-aware
        MPLS Traffic Engineering";

    }

    typedef bc-type {
      type uint8 {
        range "0..7";
      }
      description
        "Diffserv-TE bandwidth constraints as defined in RFC 4124.";
      reference
        "RFC 4124: Protocol Extensions for Support of Diffserv-aware
        MPLS Traffic Engineering";

    }

    typedef bandwidth-kbps {
      type uint64;
      units "Kbps";
      description
        "Bandwidth values, expressed in kilobits per second.";
    }

    typedef bandwidth-mbps {
      type uint64;
      units "Mbps";
      description
        "Bandwidth values, expressed in megabits per second.";
    }

    typedef bandwidth-gbps {
      type uint64;
      units "Gbps";
      description
        "Bandwidth values, expressed in gigabits per second.";
    }

    identity backup-protection-type {
      description
        "Base identity for the backup protection type.";
    }

    identity backup-protection-link {
      base backup-protection-type;
      description
        "Backup provides link protection only.";
    }

    identity backup-protection-node-link {
      base backup-protection-type;
      description
        "Backup offers node (preferred) or link protection.";
    }

    identity bc-model-type {
      description
        "Base identity for the Diffserv-TE Bandwidth Constraints
       Model type.";
      reference
        "RFC 4124: Protocol Extensions for Support of Diffserv-aware
        MPLS Traffic Engineering";

    }

    identity bc-model-rdm {
      base bc-model-type;
      description
        "Russian Dolls Bandwidth Constraints Model type.";
      reference
        "RFC 4127: Russian Dolls Bandwidth Constraints Model for
        	  Diffserv-aware MPLS Traffic Engineering";

    }

    identity bc-model-mam {
      base bc-model-type;
      description
        "Maximum Allocation Bandwidth Constraints Model type.";
      reference
        "RFC 4125: Maximum Allocation Bandwidth Constraints Model for
        	  Diffserv-aware MPLS Traffic Engineering";

    }

    identity bc-model-mar {
      base bc-model-type;
      description
        "Maximum Allocation with Reservation Bandwidth Constraints
       Model type.";
      reference
        "RFC 4126: Max Allocation with Reservation Bandwidth
        Constraints Model for Diffserv-aware MPLS Traffic Engineering
        & Performance Comparisons";

    }
  }  // module ietf-te-packet-types