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MR-BART: multi-rate available bandwidth estimation in real-time

Research output: Contribution to journalJournal article

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<mark>Journal publication date</mark>03/2012
<mark>Journal</mark>Journal of Network and Computer Applications
Issue number2
Volume35
Number of pages12
Pages (from-to)731-742
Publication statusPublished
Original languageEnglish

Abstract

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. 

Bibliographic note

Accepted: 01/11/2011