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Hierarchical Home Agent Handover in Mobile IP  

Kim, Hyun-Seok (Hanyang University)
Park, Sung-Han (Hanyang University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.43, no.12, 2006 , pp. 89-94 More about this Journal
Abstract
In the Mobile IP, the movement of Mobile Host(MH) causes packets to be transmitted through a long route. A Correspond Node(CN) first communicate with a Home Agent(HA) when a Mobile Host moved from one subnet to another subnet. The HH-MIP algorithm reduces an inefficient transmission of packets by regarding a Foreign Agent(FA) near a mobile host as a Temporary Home Agent(THA). However, The algorithm costs the unnecessary signaling by measuring the distance of route between a FA and a THA for handover in the case that a Mobile host comes from a THA which a current FA never communicated. To solve this problem, we propose a scheme called Hierarchical Home Agent Handover in Mobile IP(HHH-MIP) algorithm. Our HHH-MIP algorithm only searches tables in a router by using the hierarchical structure between a FA and a THA. The simulation results show that the HHH-MIP algorithm reduces the additional signaling cost.
Keywords
handoff; Mobile IP; mobility; home agent handover;
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