RFC 4925 on Softwire Problem Statement

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        RFC 4925

        Title:      Softwire Problem Statement 

        Author:     X. Li, Ed.,

                    S. Dawkins, Ed.,

                    D. Ward, Ed.,

                    A. Durand, Ed.

        Status:     Informational

        Date:       July 2007

        Mailbox:    xing@cernet.edu.cn, 

                    spencer@mcsr-labs.org, 

                    dward@cisco.com, alain_durand@cable.comcast.com

        Pages:      23

        Characters: 49298

        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-softwire-problem-statement-03.txt

        URL:        http://www.rfc-editor.org/rfc/rfc4925.txt

This document captures the problem statement for the Softwires

Working Group, which is developing standards for the discovery,

control, and encapsulation methods for connecting IPv4 networks

across IPv6-only networks as well as IPv6 networks across IPv4-only

networks.  The standards will encourage multiple, inter-operable

vendor implementations by identifying, and extending where necessary,

existing standard protocols to resolve a selected set of "IPv4/IPv6"

and "IPv6/IPv4" transition problems.  This document describes the

specific problems ("Hubs and Spokes" and "Mesh") that will be solved

by the standards developed by the Softwires Working Group.  Some

requirements (and non-requirements) are also identified to better

describe the specific problem scope.  This memo provides information for 

the Internet community.

This document is a product of the Softwires

Working Group of the IETF.

INFORMATIONAL: This memo provides information for the Internet community. 

It does not specify an Internet standard of any kind. Distribution

of this memo is unlimited.

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