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11th Pacific Rim International Symposium on Dependable Computing (PRDC'05)
An Efficient Approach to Tolerating Route Errors in Mobile Ad Hoc Networks
Changsha, Hunan, China
December 12-December 14
ISBN: 0-7695-2492-3
Jenn-Wei Lin, Fun Jen Catholic University Taipei, Taiwan
Jichiang Tsai, National Chung Hsing University Taichung, Taiwan
Chao-Ying Chiu, Fun Jen Catholic University Taipei, Taiwan
In this paper, we present an efficient route recovery approach for ad hoc networks, which modifies an existing ad hoc routing protocol (AODV) to enhance the recovery capability and reduce the recovery overhead. Under the proposed approach, each node on an active route (each active node) maintains a backup node. Once an active node moves (fails) to result in link breakages in its route, the broken active route can be locally repaired by moving the backup node of the moving (faulty) active only. Unlike previous approaches, the proposed approach does not incur the route discovery overhead. To achieve high recovery capability, the proposed approach also considers the backup node mobility. The backup node mobility is usually ignored on the previous approaches. Finally, we performed extensive simulations to demonstrate the effectiveness of the proposed approach over previous approaches in the recovery capability, overhead, and route length.
Index Terms:
Route recovery, ad hoc network, AODV, backup node mobility, simulation.
Citation:
Jenn-Wei Lin, Jichiang Tsai, Chao-Ying Chiu, "An Efficient Approach to Tolerating Route Errors in Mobile Ad Hoc Networks," prdc, pp.250-257, 11th Pacific Rim International Symposium on Dependable Computing (PRDC'05), 2005
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