OSPF YANG Model Augmentations for Additional Features - Version 1
draft-acee-lsr-ospf-yang-augmentation-v1-00

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Internet                                                       A. Lindem
Internet-Draft                                             Cisco Systems
Intended status: Informational                                     Y. Qu
Expires: January 8, 2020                                       Futurewei
                                                            July 7, 2019

   OSPF YANG Model Augmentations for Additional Features - Version 1
              draft-acee-lsr-ospf-yang-augmentation-v1-00

Abstract

   This document defines YANG data modules augmenting the IETF OSPF YANG
   model to provide support for OSPF Two-Part Metric as defined in RFC
   8042, OSPF Graceful Link Shutdown as defined in RFC 8379 and OSPF
   Link-Local Signaling (LLS) Extensions for Local Interface ID
   Advertisement as defined in RFC 8510.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on January 8, 2020.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of

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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  YANG Module for OSPF Two-Part Metric  . . . . . . . . . . . .   3
   3.  YANG Module for OSPF Graceful Link Shutdown . . . . . . . . .   6
   4.  YANG Module for OSPF LLS Extenstion for Local Interface ID
       Advertisement . . . . . . . . . . . . . . . . . . . . . . . .  11
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  14
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  15
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  15
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  15
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  16
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  16

1.  Overview

   YANG [RFC6020] [RFC7950] is a data definition language used to define
   the contents of a conceptual data store that allows networked devices
   to be managed using NETCONF [RFC6241].  YANG is proving relevant
   beyond its initial confines, as bindings to other interfaces (e.g.,
   ReST) and encodings other than XML (e.g., JSON) are being defined.
   Furthermore, YANG data models can be used as the basis for
   implementation of other interfaces, such as CLI and programmatic
   APIs.

   This document defines YANG data modules augmenting the IETF OSPF YANG
   model [I-D.ietf-ospf-yang], which itself augments [RFC8349], to
   provide support for configuration and operational state for the
   following OSPF features:

   RFC8042:  OSPF Two-Part Metric [RFC8042].

   RFC8379:  OSPF Graceful Link Shutdown [RFC8379].

   RFC8510:  OSPF Link-Local Signaling (LLS) Extensions for Local
      Interface ID Advertisement[RFC8510].

   The augmentations defined in this document requires support for the
   OSPF base model[I-D.ietf-ospf-yang] which defines basic OSPF
   configuration and state.  The OSPF YANG model augments the ietf-
   routing YANG model defined in [RFC8022].

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1.1.  Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].

2.  YANG Module for OSPF Two-Part Metric

   This document defines a YANG module for OSPF Two-Part Metric feature
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