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State analysis and aggregation study for multicast-based micro mobility

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1 Author(s)
Helmy, A. ; Dept. of Electr. Eng. Syst., Univ. of Southern California, Los Angeles, CA, USA

We propose intra-domain multicast-based mobility as a solution for IP mobility. Our architecture addresses problems with existing IP mobility proposals; mainly scalability and handoff performance. In our scheme mobility proxies are used to allocate per-domain multicast addresses to mobiles for use in micro mobility. State aggregation is studied as an essential element to improve scalability of our approach. We introduce a simple, yet very efficient aggregation algorithm, based on bitwise lossy aggregation. An important result obtained indicates that state tends to be concentrated in less than 20% of the nodes and that our scheme is extremely efficient in reducing the state in those nodes. We show that our scheme achieves much higher aggregation gain than conventional prefix-based aggregation.

Published in:

Communications, 2002. ICC 2002. IEEE International Conference on  (Volume:5 )

Date of Conference: