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Fast Handover Mechanism for Multi-Interface MIPv6 Environments and Performance Evaluation  

Park, Man-Kyu (Department of Information and Communications Engineering, Chungnam National University)
Hwang, An-Kyu (Department of Information and Communications Engineering, Chungnam National University)
Lee, Jae-Yong (Department of Information and Communications Engineering, Chungnam National University)
Kim, Byung-Chul (Department of Information and Communications Engineering, Chungnam National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.44, no.12, 2007 , pp. 34-43 More about this Journal
Abstract
Recently, in addition to the sharp increase of mobile nodes, various kinds of wireless technologies are available for mobile nodes. If IPv6 technology is applied to the network, multi-homing terminals which have several public IP addresses on one interface will be common. Accordingly, there are many research activities on mobility management for multi-interface, multi-homming nodes. In this paper we propose an extended fast handover mechanism for multi-interface MIPv6 environments that uses multi-interface FBU (MFBU) message instead of the existing FBU message. The MFBU message has the "tunnel destination" mobility option that points a specific tunnel destination other than NAR, and "T" flag that indicates the existence of tunnel destination option. The proposed mechanism can improve the TCP performance by mitigating packet reordering during FMIPv6 handover that can cause unnecessary congestion control due to 3 duplicate ACKs. In this paper, we implemented a multi-Interface MIPv6 simulator by extending a single-interface MIPv6 simulator in NS-2, and showed that the performance of TCP traffic is improved by using the proposed multi-interface fast MIPv6.
Keywords
Fast Handover; Multi-Interface; Wireless LAN; FMIPv6; Muli-interface FMIPv6;
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