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A Novel Integration Mechanism of FMIPv6 and HMIPv6 to Reduce Loss and Out-of-Sequence Problem  

Lee, Jae-Hwoon (동국대학교 정보통신공학과)
Lim, Yu-Jin (수원대학교 정보미디어학과)
Publication Information
Journal of KIISE:Information Networking / v.34, no.2, 2007 , pp. 110-119 More about this Journal
Abstract
Mobile IPv6 (MIPv6) enables a mobile node (MN) to maintain its connectivity with a correspondent node (CN) while changing its point of attachment. In MIPv6, packets sent from a CN to a MN during handover are lost. Several mechanisms including FMIPv6 and HMIPv6 have been proposed in order to minimize packet loss. However, such mechanisms still suffer from performance degradation due to not only packet loss but also out-of-sequence packets. In this paper, we propose I-FHMIPv6 to resolve packet loss as well as the out-of-sequence packet problem. In I-FHMIPv6, the flush message is newly defined in order to notify a home agent (HA) or CN of the fact that the binding cache entry of a MN is about to be updated. A MN receiving the flush message can know that there is no more packets transmitted via the previous route, which resolve the out-of-sequence packet problem. Moreover, with the proposed mechanism, we can minimize packet loss by integrating FMIPv6 and HMIPv6 efficiently. I-FHMIPv6 is evaluated by performing simulations, and the simulation results show that I-FHMIPv6 outperforms FMIPv6 and HMIPv6.
Keywords
Mobile IPv6; handover; packet disorder;
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  • Reference
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