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A study on autonomous neighbor access router discovery for mobile IP

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3 Author(s)
Ono, N. ; Information & Commun. Laboratories, Japan Telecom Co., Ltd., Tokyo, Japan ; Kimura, T. ; Fujii, T.

In mobile IP, registration of mobile node's care-of addresses (location registration) is an important problem because of an increase of location registration traffics. To solve this problem, "dormant mode host alerting ("IP paging")" and "mobile IP location registration area management" methods, which reduce location registration traffics by setting location registration areas, have been proposed. In this paper, we propose and study a new technique, "autonomous neighbor access router discovery", to be necessary to realize these methods. In this technique, mobile node holds the history of the IP addresses which are acquired whenever mobile node moves to another cell, and sends this history to access router according to the needs. Processing these histories, access router discovers the neighbor access routers' IP addresses. Utilizing this technique, each access router can autonomously construct location registration areas. As a result of the evaluation of the proposed technique, if the 1000 histories are collected at each AR, we found that the IP addresses of 1st and 2nd surrounding cells of each AR can be detected in high accuracy.

Published in:

Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual  (Volume:4 )

Date of Conference:

22-25 April 2003