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Route cache based load balancing scheme for mobile ad-hoc networks

Title
Route cache based load balancing scheme for mobile ad-hoc networks
Authors
Kim, Young-DukKim, Jin-WookKang, Won-SeokLee, Dong-Ha
DGIST Authors
Kim, Young-Duk; Kim, Jin-Wook; Kang, Won-Seok; Lee, Dong-Ha
Issue Date
2008
Citation
2nd International Conference on Network-Based Information Systems, NBiS 2008, 5186 LNCS, 81-90
Type
Conference
Article Type
Conference Paper
ISBN
3540856927
ISSN
0302-9743
Abstract
Recently, many on demand routing protocols are suggested to support mobile ad hoc network (MANET) which is self-organized network. The most represented protocols are on-demand routing schemes such as DSR and AODV. These protocols set up routing paths by flooding Route Request (RREQ) packets during route discovery procedure and receive Route Reply (RREP) packets from destination nodes. In order to reduce route discovery latency, every node may use the previous routing information in its route cache and reply RREP instead of the destination. Although the route cache mechanism is simple and efficient approach to enhance the performance, it may result in unnecessary latency when it uses incorrect cache information. In addition, a certain node located around source can be easily congested because it replies every RREQ with RREP and all data flows are concentrated on this node. In this paper, we suggest a dynamic cache monitoring scheme and suppress RREP on heavily congested node to achieve load balancing. To do this, we have defined appropriate queue threshold values and parameters for congestion resolution. We also propose a solution for RREP storm problem which is another side effect of the route cache. Finally throughout the simulation, we have illustrated that proposed scheme shows better performance than the standard algorithm in heavily congested environments. © Springer-Verlag Berlin Heidelberg 2008.
URI
http://hdl.handle.net/20.500.11750/3988
DOI
10.1007/978-3-540-85693-1_10
Publisher
Springer
Related Researcher
Files:
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Collection:
ETC2. Conference Papers
Information and Communication EngineeringInfoLab2. Conference Papers
Convergence Research Center for Wellness2. Conference Papers


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