A YANG Data Module for Dual-Stack Lite (DS-Lite)
draft-ietf-softwire-dslite-yang-10

Document Type Active Internet-Draft (softwire WG)
Last updated 2017-11-17
Replaces draft-boucadair-softwire-dslite-yang
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Network Working Group                                       M. Boucadair
Internet-Draft                                              C. Jacquenet
Intended status: Standards Track                                  Orange
Expires: May 20, 2018                                       S. Sivakumar
                                                           Cisco Systems
                                                       November 16, 2017

            A YANG Data Module for Dual-Stack Lite (DS-Lite)
                   draft-ietf-softwire-dslite-yang-10

Abstract

   This document defines a YANG module for the DS-Lite Address Family
   Transition Router (AFTR) and Basic Bridging BroadBand (B4) elements.

Editorial Note (To be removed by RFC Editor)

   Please update these statements with the RFC number to be assigned to
   this document:

   o  "This version of this YANG module is part of RFC XXXX;"

   o  "RFC XXXX: A YANG Data Module for Dual-Stack Lite (DS-Lite)";

   o  "reference: RFC XXXX"

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
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on May 20, 2018.

Boucadair, et al.         Expires May 20, 2018                  [Page 1]
Internet-Draft             DS-Lite YANG Module             November 2017

Copyright Notice

   Copyright (c) 2017 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
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  DS-Lite YANG Module: An Overview  . . . . . . . . . . . . . .   4
   3.  DS-Lite YANG Module . . . . . . . . . . . . . . . . . . . . .   6
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .  14
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  15
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  15
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  16
     7.1.  Normative references  . . . . . . . . . . . . . . . . . .  16
     7.2.  Informative references  . . . . . . . . . . . . . . . . .  17
   Appendix A.  B4 Example . . . . . . . . . . . . . . . . . . . . .  18
   Appendix B.  AFTR Examples  . . . . . . . . . . . . . . . . . . .  18
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  19

1.  Introduction

   This document defines a data model for DS-Lite [RFC6333], using the
   YANG data modeling language [RFC7950].  Both the Address Family
   Transition Router (AFTR) and Basic Bridging BroadBand (B4) elements
   are covered by this specification.

   As a reminder, Figure 1 illustrates an overview of the DS-Lite
   architecture that involves AFTR and B4 elements.

Boucadair, et al.         Expires May 20, 2018                  [Page 2]
Internet-Draft             DS-Lite YANG Module             November 2017

                      +-----------+
                      |    Host   |
                      +-----+-----+
                            |192.0.2.1
                            |
                            |
                            |192.0.2.2
                  +---------|---------+
                  |         |         |
                  |    Home router    |
                  |+--------+--------+|
                  ||       B4        ||
                  |+--------+--------+|
                  +--------|||--------+
                           |||2001:db8:0:1::1
                           |||
                           |||<-IPv4-in-IPv6 softwire
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