module ietf-te-topology {
    yang-version 1;
    namespace "ietf-te-topology";
    prefix "tet";

    import ietf-te-types {
        prefix "te-types";
    }

    import ietf-network {
        prefix "nw";
    }

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

    revision "2016-03-17" {
        description "Initial revision";
        reference "TBD";
    }

    grouping te-link-augment {
        container te {
            container config {
                uses te-link-config;
            } // config
        } // te
    } // te-link-augment

    grouping te-link-config {
        uses te-link-config-attributes;
    } // te-link-config

    grouping te-link-config-attributes {
        container te-link-attributes {
            container underlay {
                uses te-link-underlay-attributes;
            } // underlay
        } // te-link-attributes
    } // te-link-config-attributes

    grouping te-link-underlay-attributes {
        container underlay-primary-path {
            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
    } // te-link-underlay-attributes

    grouping te-path-element {
        uses te-types:explicit-route-subobject;
    } // te-path-element

    augment "/nw:networks/nw:network/nt:link" {
        uses te-link-augment;
    }
}