BCP 153, RFC 6598 on IANA-Reserved IPv4 Prefix for Shared Address Space
rfc-editor@rfc-editor.org Fri, 20 April 2012 23:20 UTC
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Subject: BCP 153, RFC 6598 on IANA-Reserved IPv4 Prefix for Shared Address Space
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A new Request for Comments is now available in online RFC libraries.
BCP 153
RFC 6598
Title: IANA-Reserved IPv4 Prefix for Shared
Address Space
Author: J. Weil, V. Kuarsingh,
C. Donley, C. Liljenstolpe,
M. Azinger
Status: Best Current Practice
Stream: IETF
Date: April 2012
Mailbox: jason.weil@twcable.com,
victor.kuarsingh@gmail.com,
c.donley@cablelabs.com,
cdl@asgaard.org,
marla.azinger@frontiercorp.com
Pages: 11
Characters: 22055
Updates: RFC5735
See Also: BCP00153
I-D Tag: draft-weil-shared-transition-space-request-15.txt
URL: http://www.rfc-editor.org/rfc/rfc6598.txt
This document requests the allocation of an IPv4 /10 address block to
be used as Shared Address Space to accommodate the needs of Carrier-
Grade NAT (CGN) devices. It is anticipated that Service Providers
will use this Shared Address Space to number the interfaces that
connect CGN devices to Customer Premises Equipment (CPE).
Shared Address Space is distinct from RFC 1918 private address space
because it is intended for use on Service Provider networks.
However, it may be used in a manner similar to RFC 1918 private
address space on routing equipment that is able to do address
translation across router interfaces when the addresses are identical
on two different interfaces. Details are provided in the text of
this document.
This document details the allocation of an additional special-use
IPv4 address block and updates RFC 5735. This memo documents an
Internet Best Current Practice.
BCP: This document specifies an Internet Best Current Practices for the
Internet Community, and requests discussion and suggestions for
improvements. Distribution of this memo is unlimited.
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