DOI: 10.5176/978-981-08-9266-1_mobicona52

Authors: Jeng-Yueng Chen, Yi-Ting Mai, Chun-Chuan Yang and Yi-Shiang Huang


Mobility management is important to wireless networks, but increased speed and efficiency are hampered by problems of triangular routing, signaling overhead and binding cache support. A new approach called Mobile IP with Home Agent Handover (HH-MIP) proposed to enjoy most of the advantages of ROMIP but with only a small increase of signaling overhead. The HH-MIP approach is an efficient mechanism to eliminate ROMIP shortcomings without introduces large signaling cost, and the results show that HH-MIP could reduce both transmission path and handoff latency efficiently as compared with the previous mechanisms. Although HH-MIP has great performance, it demands all routers in Foreign Networks to support combined functionalities of both Temporary Home Agent (THA) and foreign Agent (FA).

Nevertheless, not all of routing devices can adjust to implement the functionality of HHMIP in the existing Internet. This paper proposes an adaptive mobility management scheme called Dynamic Home Agent with Location Awareness (DHA-LA). We attempt to implement the mobility management protocol on application layer. Therefore, the DHA-LA could break the deploy limitation of HH-MIP and doesn’t need to modify any routing devices in the Internet. DHALA proposes the advantage of partial deployment and resolves the problem of global THA discovery. Simulation results demonstrate that the performance of DHA-LA with partial THA deployment can be close to or better than other protocols that are fully FA established.

Keywords: Mobility Management, MIP, ROMIP, THA

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