MR-BART: Multi-Rate Available Bandwidth Estimation in Real-Time

Details MR-BART: Multi-Rate Available Bandwidth Estimation in Real-Time MR-BART: Multi-Rate Available Bandwidth Estimation in Real-Time

2009-08-17

arxiv.org/abs/0908.2402v1

Computer Science

Networking and Internet Architecture

12 Pages (Two columns), 14 Figures, 4 Tables,

Scientific paper

In this paper, we propose Multi-Rate Bandwidth Available in Real Time (MR-BART) to estimate the end-to-end Available Bandwidth (AB) of a network path. The proposed scheme is an extension of the Bandwidth Available in Real Time (BART) which employs multi-rate (MR) probe packet sequences with Kalman filtering. Comparing to BART, we show that the proposed method is more robust and converges faster than that of BART and achieves a more AB accurate estimation. Furthermore, we analyze the estimation error in MR-BART and obtain analytical formula and empirical expression for the AB estimation error based on the system parameters.

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