Abstract
Routing optimization (RO) is an important support for Mobile IPv6 while performing handover. It can reduce the overhead of a home agent and make the traffic more fluent between MN and CN; however, Network Mobility (NEMO) in Mobile IPv6 lacks the capability of RO. In this paper, we propose an enhanced architecture by deploying Home Agents Location Registration Agents (HALRA) on cellular data switch (3G/B3G) network incorporating with Distributed Home Agents (NEMO-DHA) on NEMO for a Mobility Critical Area. Under this architecture, it can provide less handoff latency on the Mobility Critical Area and make a detour to avoid the perplexed NEMO routing optimization problem. Moreover, NEMO-DHA can also solve a sort of Nested-NEMO problems by setting authorized Mobile Routers to serve as a set of Distributed Home Agent, and we provides a Cross-Layer suggestion by utilizing R-bit to schedule fairly for NEMO connections. The wireless network can also benefit from Distributed Home Agents by cooperating cellular data switch network with sharing HALR resource. Most models in the paper are described through UML modeling language evaluated by a mathematical model and simulated by NS2-Mobiwan2 ( http://www.ti-wmc.nl/ , 2009).
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