A Seamless Handoff Approach of Mobile IP Based on Dual-Link

Authors:
Tan Min;Tian Lin;Kang Jianchu
Affiliations:
Beijing University;Beijing University of Aeronautics and Astronautics;Beijing University of Aeronautics and Astronautics
Venue:
WICON '05 Proceedings of the First International Conference on Wireless Internet
Year:
2005

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Abstract

Mobile IP protocol solves the problem of mobility support forhosts connected to Internet anytime and anywhere, and makesthe mobility transparent to the higher layer applications. But thehandoff latency in Mobile IP affects the quality of communication.This paper proposes a seamless handoff approach based ondual-link and link layer trigger, using information from link layerto predict and trigger the dual-link handoff. During the handoff, MN keeps one link connected with the current network while it handoff another link to the new network. In this paper we develop a model system based on this approach and provide experiments to evaluate the performance of this approach. The experimental results show that this approach can ensurethe seamless handoff of Mobile IP.