module bbf-network-function-types {

    yang-version 1.1;

    namespace
      "urn:bbf:yang:bbf-network-function-types";

    prefix bbf-nft;

    import bbf-device-types {
      prefix bbf-dvct;
    }

    organization
      "Broadband Forum <https://www.broadband-forum.org>
SDN/NFV Work Area";

    contact
      "Comments or questions about this Broadband Forum YANG module
should be directed to <mailto:help@broadband-forum.org>.

Editor:      Tim Carey, Nokia

Editor:      Jeff Hartley, Commscope

WA Director: Mengmeng Li, China Mobile

WA Director: Bruno Cornaglia, Vodafone";

    description
      "This module contains a collection of YANG definitions for
supporting the Broadband Forum requirements for network function
(NF) shared types used by functionality as described in TR-451.

Copyright (c) 2019-2022, Broadband Forum

Redistribution and use in source and binary forms, with or
without modification, are permitted provided that the following
conditions are met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above
   copyright notice, this list of conditions and the following
   disclaimer in the documentation and/or other materials
   provided with the distribution.

3. Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products
   derived from this software without specific prior written
   permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

The above license is used as a license under copyright only.
Please reference the Forum IPR Policy for patent licensing terms
<https://www.broadband-forum.org/ipr-policy>.

Any moral rights which are necessary to exercise under the above
license grant are also deemed granted under this license.

This version of this YANG module is part of TR-451; see
the TR itself for full legal notices.";

    revision "2022-06-07" {
      description
        "Issue 1.
* Approval Date:    2022-06-07.
* Publication Date: 2022-06-07.";
      reference
        "TR-451: vOMCI Specification
        	<https://www.broadband-forum.org/technical/download/
        		 TR-451_Issue-1.pdf>";

    }


    identity nf-type {
      description
        "Base identity for defining network function (NF) types.";
    }

    identity pnf-type {
      base bbf-dvct:device-type;nf-type;
      description
        "Base identity from which physical network function (PNF)
types are derived.";
    }

    identity vnf-type {
      base nf-type;
      description
        "Base identity from which specific virtual network function
(VNF) types are derived.";
    }

    identity access-vnf-type {
      base vnf-type;
      description
        "Base identity from which specific access virtual network
function types are derived.";
    }

    identity vomci-function {
      base access-vnf-type;
      description
        "Virtual OMCI network function.";
    }

    identity vomci-proxy {
      base access-vnf-type;
      description
        "Virtual OMCI Proxy network function.";
    }

    identity voltmf {
      base access-vnf-type;
      description
        "Virtual OLT management network function.";
    }

    identity onu-management-proxy {
      base access-vnf-type;
      description
        "ONU Management Proxy network function.";
    }

    identity nf-topology {
      description
        "Base identity for defining the topology which connects network
functions (NF).";
    }

    identity mesh {
      base nf-topology;
      description
        "Identity for a mesh type of topology that connects NFs.";
    }

    identity star {
      base nf-topology;
      description
        "Identity for a star type of topology that connects NFs.";
    }

    identity point-to-point {
      base nf-topology;
      description
        "Identity for a point to point type of topology that
connects NFs.";
    }

    identity other-topology {
      base nf-topology;
      description
        "Identity for a point type of topology that connects NFs that
is not already defined.";
    }
  }  // module bbf-network-function-types