A YANG Data Model for Routing Management
RFC 8022

Document Type RFC - Proposed Standard (November 2016; No errata)
Last updated 2016-11-09
Replaces draft-lhotka-netmod-routing-cfg
Stream IETF
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Stream WG state Submitted to IESG for Publication
Document shepherd Lou Berger
Shepherd write-up Show (last changed 2016-10-20)
IESG IESG state RFC 8022 (Proposed Standard)
Consensus Boilerplate Yes
Telechat date
Responsible AD Benoit Claise
Send notices to draft-ietf-netmod-routing-cfg.all@ietf.org
IANA IANA review state IANA OK - Actions Needed
IANA action state RFC-Ed-Ack
Internet Engineering Task Force (IETF)                         L. Lhotka
Request for Comments: 8022                                        CZ.NIC
Category: Standards Track                                      A. Lindem
ISSN: 2070-1721                                            Cisco Systems
                                                           November 2016

                A YANG Data Model for Routing Management

Abstract

   This document contains a specification of three YANG modules and one
   submodule.  Together they form the core routing data model that
   serves as a framework for configuring and managing a routing
   subsystem.  It is expected that these modules will be augmented by
   additional YANG modules defining data models for control-plane
   protocols, route filters, and other functions.  The core routing data
   model provides common building blocks for such extensions -- routes,
   Routing Information Bases (RIBs), and control-plane protocols.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 7841.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc8022.

Copyright Notice

   Copyright (c) 2016 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
   (http://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
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Lhotka & Lindem              Standards Track                    [Page 1]
RFC 8022                 YANG Routing Management           November 2016

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology and Notation  . . . . . . . . . . . . . . . . . .   3
     2.1.  Glossary of New Terms . . . . . . . . . . . . . . . . . .   4
     2.2.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   5
     2.3.  Prefixes in Data Node Names . . . . . . . . . . . . . . .   5
   3.  Objectives  . . . . . . . . . . . . . . . . . . . . . . . . .   6
   4.  The Design of the Core Routing Data Model . . . . . . . . . .   6
     4.1.  System-Controlled and User-Controlled List Entries  . . .   8
   5.  Basic Building Blocks . . . . . . . . . . . . . . . . . . . .   9
     5.1.  Route . . . . . . . . . . . . . . . . . . . . . . . . . .   9
     5.2.  Routing Information Base (RIB)  . . . . . . . . . . . . .   9
     5.3.  Control-Plane Protocol  . . . . . . . . . . . . . . . . .  10
       5.3.1.  Routing Pseudo-Protocols  . . . . . . . . . . . . . .  10
       5.3.2.  Defining New Control-Plane Protocols  . . . . . . . .  11
     5.4.  Parameters of IPv6 Router Advertisements  . . . . . . . .  12
   6.  Interactions with Other YANG Modules  . . . . . . . . . . . .  13
     6.1.  Module "ietf-interfaces"  . . . . . . . . . . . . . . . .  13
     6.2.  Module "ietf-ip"  . . . . . . . . . . . . . . . . . . . .  13
   7.  Routing Management YANG Module  . . . . . . . . . . . . . . .  14
   8.  IPv4 Unicast Routing Management YANG Module . . . . . . . . .  26
   9.  IPv6 Unicast Routing Management YANG Module . . . . . . . . .  32
     9.1.  IPv6 Router Advertisements Submodule  . . . . . . . . . .  37
   10. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  47
   11. Security Considerations . . . . . . . . . . . . . . . . . . .  48
   12. References  . . . . . . . . . . . . . . . . . . . . . . . . .  49
     12.1.  Normative References . . . . . . . . . . . . . . . . . .  49
     12.2.  Informative References . . . . . . . . . . . . . . . . .  50
   Appendix A.  The Complete Data Trees  . . . . . . . . . . . . . .  51
     A.1.  Configuration Data  . . . . . . . . . . . . . . . . . . .  51
     A.2.  State Data  . . . . . . . . . . . . . . . . . . . . . . .  52
   Appendix B.  Minimum Implementation . . . . . . . . . . . . . . .  53
   Appendix C.  Example: Adding a New Control-Plane Protocol . . . .  54
   Appendix D.  Data Tree Example  . . . . . . . . . . . . . . . . .  56
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