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http://dx.doi.org/10.3745/KIPSTC.2003.10C.2.217

A Server Based Routing Mechanism Providing QoS Routing with Efficient Support of Best Effort Traffic  

Choe, Mi-Ra (이화여자대학교 컴퓨터학과)
Kim, Sung-Ha (이화여자대학교 컴퓨터학과)
Lee, Mee-Jeong (이화여자대학교 컴퓨터학과)
Publication Information
The KIPS Transactions:PartC / v.10C, no.2, 2003 , pp. 217-232 More about this Journal
Abstract
QoS routing can improve network performance while providing support for QoS guarantees. These benefits, however, comes with additional routing costs such as more complex and frequent route computation and the protocol overheads to exchange dynamic network state information. Moreover, little has been done to mininize the impact of the QoS traffic to the best effort traffic or to enhance the routine Performance of the best effort traffic when QoS routing is deployed. In this paper, it is proposed that a sewer based routing mechanism, which supports the QoS routing without incurring the QoS routing protocol overhead for the network state update exchanges and enhances the performance of the best effort traffic without affecting the performance of QoS routing. Simulation results show that the proposed scheme enhances the routing performance for the QoS traffic while reducing the routing protocol overhead. The routing performance of the best traffic is also improved with virtually no impact to the routine performance of the QoS traffic. The proposed scheme is shown to be especially effective when the ratio of QoS traffic is high, that is, when the impact of the QoS traffic to the performance of best effort traffic is significant.
Keywords
Quality of Service : QoS; QoS Routing; Best Effort Routing; Multi-Service Routing;
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