A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Internet Area Working Group Working Group of
the IETF.
Title : Updated Specification of the IPv4 ID Field
Author(s) : Joe Touch
Filename : draft-ietf-intarea-ipv4-id-update-06.txt
Pages : 18
Date : 2012-10-09
Abstract:
The IPv4 Identification (ID) field enables fragmentation and
reassembly, and as currently specified is required to be unique
within the maximum lifetime for all datagrams with a given
source/destination/protocol tuple. If enforced, this uniqueness
requirement would limit all connections to 6.4 Mbps. Because
individual connections commonly exceed this speed, it is clear that
existing systems violate the current specification. This document
updates the specification of the IPv4 ID field in RFC791, RFC1122,
and RFC2003 to more closely reflect current practice and to more
closely match IPv6 so that the field's value is defined only when a
datagram is actually fragmented. It also discusses the impact of
these changes on how datagrams are used.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-intarea-ipv4-id-update
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-intarea-ipv4-id-update-06
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-intarea-ipv4-id-update-06
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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