module ietf-otn-topology {
    yang-version 1;

    namespace "urn:ietf:params:xml:ns:yang:ietf-otn-topology";
    prefix "otntopo";

    import ietf-network {
     prefix "nd";
    }

    import ietf-network-topology {
     prefix "lnk";
    }

    import ietf-te-topology {
     prefix "tet";
    }


    revision 2017-04-25 {
     description
      "Revision 0.3";
     reference
      "draft-zhang-ccamp-l1-topo-yang-07.txt";
    }


    grouping otn-link-attributes {

        list available-odu-info{
            key "priority";
            max-elements "8";

            leaf priority {
                type uint8 {
                range "0..7";
                }
            }

            list odulist {
                key "odu-type";

                leaf odu-type {
                    type string;
                 }

                leaf number {
                    type uint16;
                }
            }
        }

        leaf distance {
            type uint32;
        }
    }

    augment "/nd:networks/nd:network/lnk:link/tet:te/tet:config" {
       uses otn-link-attributes;
    }
   }