Basic Network Mobility Support for Internet ITS (特集ユビキタス環境のモバイル通信システムとITS)

概要

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In this paper, we propose a basic network mobility protocol which meets the requirements of Internet ITS and the IETF network mobility (NEMO) working group. Network mobility arises when an entire network is changing its point of attachment to the Internet topology, such as networks found in vehicles. Our solution is designed to provide extensions to Mobile IPv6, the IETF solution for host mobility The protocol assigns a unique unchanging prefix to each mobile network. A mobile router registers the prefix binding only to a home agent. The prefix binding is the association between the unique prefix and a mobile router's care-of address. All packets from and to the mobile network are tunneled through the bi-directional tunnel established between the mobile router and the home agent. The protocol supports various mobile network configurations such as nested mobility, multiple network interfaces on a mobile router, multiple mobile routers for a mobile network, and multiple home agents. Due to the strategy followed by the NEMO working group, this paper doesn't emphasize the routing optimization feature of our solution. We evaluate our solution against the Internet ITS requirements. Those are satisfied. Consequently, our proposal is well suited for Internet ITS systems.
一般社団法人情報処理学会の論文
2003-12-15