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Enhanced Mobile Network Protocol for Its Robustness and Policy Based Routing
Ryuji WAKIKAWA Susumu KOSHIBA Thierry ERNST Julien CHARBON Keisuke UEHARA Jun MURAI
IEICE TRANSACTIONS on Communications
Publication Date: 2004/03/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Internet Technology IV)
Category: Mobile Networking
network mobility, mobile IP, IPv6, mobile computing, system management,
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In this paper, we discuss the performance of a basic scheme to support network mobility. Network mobility arises when an entire network segment, such as a network inside a vehicle, changes its topological location and thus its access point to the fixed backbone network. Mechanisms to support network mobility are necessary to maintain sessions. The approach followed by the IETF (NEMO Basic Support) and us (B-ORC) is to establish a bi-directional tunnel between the mobile network and the Internet. As we show, this bi-directional tunnel is a performance bottleneck and leads to single points of failure. In order to address the issues of the existing mobile network architecture, we propose enhanced operations of the basic mobile network protocol to achieve reliability and efficiency: (1) multiple bi-directional tunnels between the mobile network and the Internet, and (2) policy-based routing. The proposed operations could be realized by extending the existing architecture and protocol. The performance of various multihoming configurations is evaluated based on the implementation of our own basic scheme. The evaluation criteria are delay, throughput and latency. The results are encouraging and show we can achieve a better throughput.