I-D ACTION:draft-chen-mip6-gprs-05.txt
Internet-Drafts@ietf.org Thu, 05 January 2006 20:50 UTC
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Subject: I-D ACTION:draft-chen-mip6-gprs-05.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Problem Statement for MIPv6 Interactions with GPRS/UMTS Packet Filtering Author(s) : X. Chen, et al. Filename : draft-chen-mip6-gprs-05.txt Pages : 17 Date : 2006-1-5 This document provides an analysis of certain inter-working problems between IPv6 nodes running Mobile IPv6, at least one of which is connected to a Third Generation Partnership Project (3GPP) specified General Packet Radio Service/Universal Mobile Tele- communications System (GPRS/UMTS) network. The inter-working problems are caused by some specific packet filtering operations at the edge of the GPRS/UMTS network which are applied to control access to the GPRS/UMTS services and network resources. However, we believe that other scenarios may exist in which similar packet filtering operations may be applied and that similar problems would arise in these more general scenarios. The GPRS Gateway Support Node (GGSN) checks the source address or the destination address in the basic IPv6 header of incoming or outgoing IP datagrams against a set of packet filtering information established during the GPRS/UMTS session set-up. The packet filtering information remains stable during the sessions and independent of Mobile IP. When MIPv6 is activated by either end of the IPv6 mobile nodes, the packet filtering will fail to perform properly and subsequently block the traffic due to the mismatch between the packet filters and the current source address or destination address in the basic IPv6 header of the IP datagrams to and from the IPv6 mobile nodes. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-chen-mip6-gprs-05.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-chen-mip6-gprs-05.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-chen-mip6-gprs-05.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft.
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