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Privacy extensions to Stateless Address Autoconf



Hi Folks,
  A new version of "Privacy Extensions to Address Autoconf"(rfc3041bis) is 
out. I would really appreciate any comments on this draft. I would like
to change the hash algorithm for generating these addresses from MD5 to
SHA-1 since MD5 support is no longer a MUST for IPv6 nodes. If anyone has 
strong opinions either for or against this change please voice them as 
well.

Thanks
Suresh

---------- Forwarded message ----------
Date: Wed, 22 Sep 2004 15:33:52 -0400
From: Internet-Drafts@ietf.org
To: i-d-announce@ietf.org
Cc: ipv6@ietf.org
Subject: I-D ACTION:draft-ietf-ipv6-privacy-addrs-v2-00.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Version 6 Working Group Working Group of the IETF.

	Title		: Privacy Extensions for Stateless Address 
			  Autoconfiguration in IPv6
	Author(s)	: T. Narten, et al.
	Filename	: draft-ietf-ipv6-privacy-addrs-v2-00.txt
	Pages		: 26
	Date		: 2004-9-23
	
Nodes use IPv6 stateless address autoconfiguration to generate
   addresses without the necessity of a Dynamic Host Configuration
   Protocol (DHCP) server.  Addresses are formed by combining network
   prefixes with an interface identifier.  On interfaces that contain
   embedded IEEE Identifiers, the interface identifier is typically
   derived from it.  On other interface types, the interface identifier

   is generated through other means, for example, via random number
   generation.  This document describes an extension to IPv6 stateless
   address autoconfiguration for interfaces whose interface identifier
   is derived from an IEEE identifier.  Use of the extension causes
   nodes to generate global scope addresses from interface identifiers
   that change over time, even in cases where the interface contains an
   embedded IEEE identifier.  Changing the interface identifier (and the
   global scope addresses generated from it) over time makes it more
   difficult for eavesdroppers and other information collectors to
   identify when different addresses used in different transactions
   actually correspond to the same node.

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