module openconfig-aft {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/aft";

    prefix oc-aft;

    import openconfig-extensions {
      prefix oc-ext;
    }

    include openconfig-aft-ipv4;
    include openconfig-aft-ipv6;
    include openconfig-aft-mpls;
    include openconfig-aft-pf;
    include openconfig-aft-ethernet;
    include openconfig-aft-common;

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
www.openconfig.net";

    description
      "A model describing the forwarding entries installed on a network
element. It should be noted that this model is not expected to
align 1:1 with the underlying structure used directly by a
forwarding element (e.g., linecard), but rather provide an
abstraction that can be consumed by an NMS to observe, and in some
cases manipulate, the internal forwarding database in a simplified
manner. Since the underlying model of the forwarding table is not
expected to align with this model, the structure described herein
is referred to as an Abstract Forwarding Table (AFT), rather than
the FIB.";

    revision "2021-12-09" {
      description
        "Add pop-top-label in NH AFT entry state";
      reference
        "0.9.0";

    }

    revision "2021-08-06" {
      description
        "Add references to the network instance within which to resolve
a next-hop-group; fix defect where NHG could not be an ID defined
outside the current NI; add metadata; add IP-in-IP encap.";
      reference
        "0.8.0";

    }

    revision "2021-07-15" {
      description
        "NHG-ID and NH-ID space management.";
      reference
        "0.7.0";

    }

    revision "2020-11-06" {
      description
        "Make AFT model read-only.";
      reference
        "0.6.0";

    }

    revision "2020-09-09" {
      description
        "Remove leafs that are not used as keys from config containers as
AFT model is ready-only.
* next-hop/interface-ref/config.
* all leafs under policy-forwarding-entry/config except index.";
      reference
        "0.5.0";

    }

    revision "2019-11-07" {
      description
        "Move lsp-name leaf out of aft-common-entry-nexthop-state group.";
      reference
        "0.4.1";

    }

    revision "2019-08-02" {
      description
        "Add installing protocol for IPv[46] unicast entries.
Add the ability to describe conditional next-hop groups
outside of the policy forwarding module to allow for efficient
handling of CBTS, where many prefixes may share the same next-hop
criteria.";
      reference
        "0.4.0";

    }

    revision "2019-08-01" {
      description
        "Add lsp-name leaf to AFT next-hop.";
      reference
        "0.3.3";

    }

    revision "2018-11-21" {
      description
        "Add OpenConfig module metadata extensions.";
      reference
        "0.3.2";

    }

    revision "2017-08-24" {
      description "Formatting fixes";
      reference
        "0.3.1";

    }

    revision "2017-05-10" {
      description
        "Refactor to provide concretised per-AF schemas per AFT.";
      reference
        "0.3.0";

    }

    oc-ext:openconfig-version "0.9.0";
    oc-ext:regexp-posix;
    oc-ext:catalog-organization "openconfig";
    oc-ext:origin "openconfig";
  }  // module openconfig-aft