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Journal Article
A Novel Route Discovery Scheme Equipped with Two Augmented Functions for Ad Hoc Networks
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- Authors
- Hae-Ryong Lee, Jae-Wook Shin, Jee-Hyeon Na, Youn-Kwae Jeong, Kwang-Roh Park, Sang-Ha Kim
- Issue Date
- 2004-03
- Citation
- 정보통신설비학회논문지, v.3, no.1, pp.15-24
- ISSN
- 1598-6586
- Publisher
- 한국정보통신설비학회
- Language
- English
- Type
- Journal Article
- Abstract
- 'The delay and control overhead during route discovery for destinations outside ad hoc networks are major obstacle to achieving scalability in the Internet. To solve this issue, we propose a novel route discovery scheme equipped with two augmented functions. In this paper, the Internet gateway maintains an address cache of Internet nodes frequently accessed from the ad hoc network and replies with an extended Route Response (RREP) message to the Route Request (RREQ) message based on its routing table and the address cache called EXIT(EXternal node Information Table). These augmented functions make the source node determine the location of the destination as fast as possible. Through simulations, the proposed route discovery scheme using both EXIT and extended RREP message shows considerable' reduction in both route discovery time and control message overhead.
- KSP Keywords
- Ad Hoc Networks, Augmented functions, Control message overhead, Internet Gateways(IGWs), Route Request(RREQ), Route discovery time, Routing table, control overhead