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Proceedings of 2010 Cross-Strait Conference on Information Science and Technology (CSCIST 2010 E-BOOK)

Qinhuangdao,China,7.9-7.13，2010

ISBN: 978-1-935068-15-0 Scientific Research Publishing, USA

E-Book 840pp Pub. Date: July 2010

Category: Computer Science & Communications

Price: $120

Title: An Effective Available Bandwidth Estimation Algorithm for the Networks with Bursty Traffic
Source: Proceedings of 2010 Cross-Strait Conference on Information Science and Technology (CSCIST 2010 E-BOOK) (pp 610-615)
Author(s): Mingfu Li, Department of Electrical Engineering,Chang Gung University, Taoyuan
Yuehlin Wu, Department of Electrical Engineering, Chang Gung University, Taoyuan
Abstract: End-to-end available bandwidth estimation is important for several applications such as network management, traffic engineering, flow and congestion control, and rate adaptation in real-time multimedia streaming. Among the proposed available bandwidth estimation technologies, most of the estimation algorithms are based on the fluid cross-traffic model. Inevitably, the estimation accuracy is limited in the network environments with bursty cross traffic. In this paper, we develop an available bandwidth estimation algorithm which is based on the fluid traffic model but can effectively filter out the measurement noise incurred in network environments with bursty traffic. The proposed algorithm employs not only the gaps of two consecutive probing packets but also those of nonadjacent probing packets to evaluate the bottleneck link available bandwidth. In addition, a two-stage filtering scheme is proposed to enhance the estimation accuracy. Numerical results demonstrate that the presented estimation algorithm can effectively reduce the effects of bursty cross traffic on the estimation accuracy of the bottleneck link available bandwidth.
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