[rfc-dist] RFC 6269 on Issues with IP Address Sharing

rfc-editor at rfc-editor.org rfc-editor at rfc-editor.org
Tue Jun 28 15:35:11 PDT 2011


A new Request for Comments is now available in online RFC libraries.

        
        RFC 6269

        Title:      Issues with IP Address Sharing 
        Author:     M. Ford, Ed.,
                    M. Boucadair, A. Durand,
                    P. Levis, P. Roberts
        Status:     Informational
        Stream:     IETF
        Date:       June 2011
        Mailbox:    ford at isoc.org, 
                    mohamed.boucadair at orange-ftgroup.com, 
                    adurand at juniper.net, 
                    pierre.levis at orange-ftgroup.com, 
                    roberts at isoc.org
        Pages:      29
        Characters: 71660
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-intarea-shared-addressing-issues-05.txt

        URL:        http://www.rfc-editor.org/rfc/rfc6269.txt

The completion of IPv4 address allocations from IANA and the Regional
Internet Registries (RIRs) is causing service providers around the
world to question how they will continue providing IPv4 connectivity
service to their subscribers when there are no longer sufficient IPv4
addresses to allocate them one per subscriber.  Several possible
solutions to this problem are now emerging based around the idea of
shared IPv4 addressing.  These solutions give rise to a number of
issues, and this memo identifies those common to all such address
sharing approaches.  Such issues include application failures,
additional service monitoring complexity, new security
vulnerabilities, and so on.  Solution-specific discussions are out of
scope.

Deploying IPv6 is the only perennial way to ease pressure on the
public IPv4 address pool without the need for address sharing
mechanisms that give rise to the issues identified herein.  This 
document is not an Internet Standards Track specification; it is
published for informational purposes.

This document is a product of the Internet Area Working Group Working Group of the IETF.


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