The Effects of Local Repair Schemes in AODV-Based Ad Hoc Networks(Ad Hoc Network)(<Special Section>Networking Technologies for Mobile Internet Systems)

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概要

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• The AODV (Ad Hoc On-Demand Distance Vector) protocol is one of the typical reactive routing protocols in Ad Hoc networks, in that mobile nodes initiate routing activities only in the presence of data packets in need of a route. In this paper, we focus upon the local repair mechanism of AODV. When a link is broken, the upstream node of the broken link repairs the route to the destination by initiating a local route discovery process. The process involves the flooding of AODV control messages in every node within a radius of the length from the initiating node to the destination. In this paper, we propose an efficient local repair scheme for AODV, called AELR (AODV-based Efficient Local Repair). AELR utilizes the existing routing information in the downstream intermediate nodes which have been on the active route to the destination before a link break occurs. AELR can reduce the flooding range of AODV control messages and the route recovery time for route recovery because it can repair a route through the nearby downstream intermediate nodes. The performance results show that AELR can achieve faster route recovery than the local repair mechanism of AODV.

• 社団法人電子情報通信学会の論文
• 2004-09-01

著者

• Kim Ki-hyung

  Department Of Computer Engineering Yeungnam University

• Seo Hyun-gon

  Department Of Computer Engineering Yeungnam University

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