Basic Requirements for IPv6 Customer Edge Routers
draft-ietf-v6ops-rfc7084-bis-04

Document Type Active Internet-Draft (v6ops WG)
Last updated 2017-06-12
Replaces draft-palet-v6ops-rfc7084-bis, draft-v6ops-rfc7084-bis
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Stream WG state WG Document (wg milestone: Nov 2017 - Update RFC 7084 (IPv... )
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IPv6 Operations (v6ops)                                J. Palet Martinez
Internet-Draft                                         Consulintel, S.L.
Obsoletes: 7084 (if approved)                              June 11, 2017
Intended status: Informational
Expires: December 13, 2017

           Basic Requirements for IPv6 Customer Edge Routers
                    draft-ietf-v6ops-rfc7084-bis-04

Abstract

   This document specifies requirements for an IPv6 Customer Edge (CE)
   router.  Specifically, the current version of this document focuses
   on the basic provisioning of an IPv6 CE router and the provisioning
   of IPv6 hosts attached to it and the support of HNCP ([RFC7788]) for
   automated provisioning of downstream routers.  The document also
   covers several transition technologies, as required in a world where
   IPv4 addresses are no longer available, so hosts in the customer LANs
   with IPv4-only or IPv6-only applications or devices, requiring to
   communicate with IPv4-only services at the Internet, are able to do
   so.  The document obsoletes RFC 7084.

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
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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   time.  It is inappropriate to use Internet-Drafts as reference
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   This Internet-Draft will expire on December 13, 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
   (http://trustee.ietf.org/license-info) in effect on the date of

Palet Martinez          Expires December 13, 2017               [Page 1]
Internet-Draft         IPv6 CE Router Requirements             June 2017

   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  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Usage Scenarios . . . . . . . . . . . . . . . . . . . . . . .   5
   4.  Architecture  . . . . . . . . . . . . . . . . . . . . . . . .   6
     4.1.  Current IPv4 End-User Network Architecture  . . . . . . .   6
     4.2.  IPv6 End-User Network Architecture  . . . . . . . . . . .   7
       4.2.1.  Local Communication . . . . . . . . . . . . . . . . .   9
   5.  Requirements  . . . . . . . . . . . . . . . . . . . . . . . .   9
     5.1.  General Requirements  . . . . . . . . . . . . . . . . . .   9
     5.2.  WAN-Side Configuration  . . . . . . . . . . . . . . . . .  10
     5.3.  LAN-Side Configuration  . . . . . . . . . . . . . . . . .  14
     5.4.  Transition Technologies Support . . . . . . . . . . . . .  16
       5.4.1.  IPv4 Service Continuity in Customer LANs  . . . . . .  16
         5.4.1.1.  464XLAT . . . . . . . . . . . . . . . . . . . . .  16
         5.4.1.2.  Dual-Stack Lite (DS-Lite) . . . . . . . . . . . .  17
         5.4.1.3.  Lightweight 4over6 (lw4o6)  . . . . . . . . . . .  18
         5.4.1.4.  MAP-E . . . . . . . . . . . . . . . . . . . . . .  18
         5.4.1.5.  MAP-T . . . . . . . . . . . . . . . . . . . . . .  19
       5.4.2.  Support of IPv6 in IPv4-only WAN access . . . . . . .  19
         5.4.2.1.  6in4  . . . . . . . . . . . . . . . . . . . . . .  19
         5.4.2.2.  6rd . . . . . . . . . . . . . . . . . . . . . . .  20
     5.5.  IPv4 Multicast Support  . . . . . . . . . . . . . . . . .  22
     5.6.  Security Considerations . . . . . . . . . . . . . . . . .  22
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  22
   7.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  23
   8.  ANNEX A: Code Considerations  . . . . . . . . . . . . . . . .  23
   9.  ANNEX B: Changes from RFC7084 . . . . . . . . . . . . . . . .  24
   10. ANNEX C: Changes from RFC7084-bis-00  . . . . . . . . . . . .  24
   11. ANNEX D: Changes from RFC7084-bis-01  . . . . . . . . . . . .  25
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