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Energy-Efficient Mobility Management Schemes in HMIPv6  

Yang Sun Ok (고려대학교 컴퓨터학과)
Kim SungSuk (서경대학교 전자상거래학과)
Hwang Chong-Sun (고려대학교 컴퓨터학과)
Publication Information
Journal of KIISE:Information Networking / v.32, no.5, 2005 , pp. 615-624 More about this Journal
Abstract
In Mobile IP, several types of messages - binding update, binding request and binding acknowledgement - are used to support user mobility. It is necessary to exchange those messages frequently for seamless mobility but it incurs both the increase of network overhead and poor usage of mobile node battery power Thus, we need a mechanism that the server detects users location and also copes with the problems effectively, which is our main concern in this paper Each user records all moving logs locally and periodically makes out profile based on them in HMIPv6. By using profile, estimated resident time can be computed whenever he enters an area and the time is set up as the binding update message lifetime. Of course, the more correct lifetime nay be obtained IP arrival time as well as average resident time Is considered in profile. Through extensive experiments, we measure the bandwidth usage for binding update messages by comparing the proposed schemes with that in HMIPv6. From the results, Gain gets over $80\%$ when mobile node stays more than 13 minutes in a subnet. Namely, we come to know that our schemes improve network usage and energy usage in mobile node by decreasing the number of messages while they also manage users locations like that in HMIPv6.
Keywords
Hierarchial MIPv6; Binding Update; Moving Log; Lifetime; Mobility Pattern; Mobility Type;
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