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Enhancement of Fast Handover for Mobile IPv6 based on IEEE 802.11 Network  

Ryu, Seong-Geun (숭실대학교 컴퓨터학과)
Mun, Young-Song (숭실대학교 컴퓨터학과)
Publication Information
Journal of KIISE:Information Networking / v.35, no.1, 2008 , pp. 46-55 More about this Journal
Abstract
As a mobility support for IP have studied, Internet Engineering Task Force(IETF) standardized the Mobile IPv6(MIPv6) protocol. When a mobile node moves between subnets, MIPv6 maintains connectivity to network and supports seamless communication, and these processes are called a Handover. Whenever the mobile node moves between subnets, the Handover is performed. The mobile node can not communicate during the Handover. This period is Galled Handover latency. To reduce this latency, mipshop working group standardizes Fast Handovers for Mobile IPv6(FMIPv6), but latency which the mobile node registers its new care-of address to a home agent and a correspondent node is still long. To solve this problem, we propose a scheme that the mobile node registers the new care-of address to the home agent and initiates Return Routability procedure in advance during layer 2 handover, based on FMIPv6 and IEEE 802.11. We analyze MIPv6, FMIPv6 and the proposed scheme in term of packet transmission cost during the Handover. Compared to MIPv6 the proposed scheme gains 79% improvement, while it gains 31% improvement compared to FMIPv6.
Keywords
Mobile IPv6; FMIPv6; IEEE 802.11; Handover;
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