A Design and Evaluation of User-space IP Mobility Implementation

An architecture for IP layer mobility such as MIPv6 requires modification in the protocol stack of mobile terminals for seamless handoff across different IP networks. MAT (Mobility support Architecture and Technologies) which has been developed by the authors, also requires the similar modification. The modification of the protocol stack of the terminals has the difficulty for wide spread of IP mobility function using the seamless handoff. In order to solve this problem, we propose a user-space implementation of MAT in this paper. Also, we show some evaluations on overhead caused by user-space implementation and discuss them from the view point of practical use.

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