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Title : Using Higher Layer Triggers for Low Latency Handoffs in MIPv4
Author(s) : S. Antoine
Filename : draft-antoine-mip4-lowlatency-handoff-triggers-00.txt
Pages : 9
Date : 2006-12-15
This document introduces the use of triggers coming from layers
higher than the link layer to initiate the Low Latency Handoff in
Mobile IPv4 (MIPv4) . The Low Latency Handoff for MIPv4 assumes
availability of Layer 2 (L2) triggers that contain Layer 3 (L3)
information for the Mobile Node (MN) to handoff. However, the low
latency draft does not describe the method by which the L2 trigger is
produced neither does it explicitly describe by what mechanism the L3
information present in the L2 trigger is acquired. The Low Latency
Handoff for MIPv4 relies on availability of the L2 trigger. However
relying only on the link information to initiate a handoff does not
generally gather enough information for the MN to handoff to the most
suitable available access network. Information from higher layers
such as Higher Layer Triggers can be used to command a MN to quickly
move from one access to another one. Using Higher Layer Triggers to
initiate the handoff enables the implementation of policy based
handoff to garantee load balancing of the wireless networks and
Quality of Services to the end users.
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