I-D ACTION:draft-iponair-dna-polimand-01.txt

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	Title		: Policy Based Mobile IP Handoff Decision (POLIMAND)
	Author(s)	: S. Aust
	Filename	: draft-iponair-dna-polimand-01.txt
	Pages		: 12
	Date		: 2004-2-18
	
A hand-off is the process during which a node is handed off between 
two mobility agents. Mobile IP hand-offs occur as a consequence of 
lower layer (i. e., link-layer) hand-offs that signify a location 
switch between two IP networks. For the duration of a Mobile IP 
hand-off, a mobile node is unable to send or receive traffic. The 
length of this disruption is considered critical because it can 
affect the performance of communications. An additional factor that 
is closely bound with that of Mobile IP hand-offs is that of agent 
selection. That involves the selection of the most suitable mobility 
agent from which a mobile node should receive service. 
With the help of link-layer information such as signal strength,    signal quality and throughput it is possible to accelerate Mobile IP 
hand-offs on one side and on the other to lead to the selection of 
the best possible mobility agent. This draft describes a policy 
based Mobile IP handoff decision method (POLIMAND) that allows for 
enhanced Mobile IP handoffs and optimal agent selection based on 
link layer information.

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