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I-D ACTION:draft-jung-mobileip-bet-enhance-00.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.


	Title		: An enhancement for limiting the length of tunnel in 
                          the fast handover method using bi-directional edge 
                          tunnel (BET)
	Author(s)	: H. Jung, J. Min
	Filename	: draft-jung-mobileip-bet-enhance-00.txt
	Pages		: 6
	Date		: 2002-9-11
	
To support real-time services such as VoIP in Mobile IPv4/v6, several
fast handover methods have been proposed. The fast handover method
using BET is one of them and was chosen as an alternate protocol to
FMIPv6 version 4. BET has advantage in reducing the handover latency
because it does not perform the layer 3 registration. However, the
long BET in certain situation could be not acceptable. In that case,
a mechanism is needed to limit the tunnel length of BET. In this
draft, we propose to group the ARs by predefined value to limit the
tunnel length of BET. An anchor router is changed whenever a MN
changes its associated group.

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