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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: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
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.
INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
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