[Int-area] I-D Action:draft-ietf-intarea-ipv4-id-update-01.txt

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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)       : J. Touch
	Filename        : draft-ietf-intarea-ipv4-id-update-01.txt
	Pages           : 15
	Date            : 2010-10-22

The IPv4 Identification (ID) field enables fragmentation and
reassembly, and as currently specified is required to be unique
within the maximum lifetime on all datagrams. If enforced, this
uniqueness requirement would limit all connections to 6.4 Mbps.
Because this is obviously not the case, it is clear that existing
systems violate the current specification. This document updates the
specification of the IPv4 ID field to more closely reflect current
practice and to more closely match IPv6 so that the field is defined
only when a datagram is actually fragmented. It also discusses the
impact of these changes on how datagrams are used.

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