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Dynamic Host Configuration Protocol for IPv6 (DHCPv6) Option for Dual-Stack Lite (RFC6334)

IP.com Disclosure Number: IPCOM000209542D
Original Publication Date: 2011-Aug-01
Included in the Prior Art Database: 2011-Aug-09
Document File: 14 page(s) / 14K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Hankins: AUTHOR [+2]

Abstract

Dual-Stack Lite [RFC6333] is a solution to offer both IPv4 and IPv6 connectivity to customers that are addressed only with an IPv6 prefix (no IPv4 address is assigned to the attachment device). One of its key components is an IPv4-over-IPv6 tunnel, commonly referred to as a softwire. A DS-Lite "Basic Bridging BroadBand" (B4) device will not know if the network it is attached to offers Dual-Stack Lite service, and if it did would not know the remote endpoint of the tunnel to establish a softwire.

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Internet Engineering Task Force (IETF)                        D. Hankins Request for Comments: 6334                                        Google Category: Standards Track                                   T. Mrugalski ISSN: 2070-1721                          Gdansk University of Technology                                                              August 2011

       Dynamic Host Configuration Protocol for IPv6 (DHCPv6) Option                           for Dual-Stack Lite

Abstract

   This document specifies a DHCPv6 option that is meant to be used by a    Dual-Stack Lite Basic Bridging BroadBand (B4) element to discover the    IPv6 address of its corresponding Address Family Transition Router    (AFTR).

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 5741.

   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/rfc6334.

Copyright Notice

   Copyright (c) 2011 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.

 Hankins & Mrugalski          Standards Track                    [Page 1]
 RFC 6334                  DS-Lite DHCPv6 Option              August 2011

 Table of Contents

   1. Introduction ....................................................2    2. Requirements Language ...........................................2    3. The AFTR-Name DHCPv6 Option .....................................2    4. DHCPv6 Server Behavior ..........................................4    5. DHCPv6 Client Behavior ..........................................4    6. Security Considerations .........................................5    7. IANA Considerations ...............