Journal of Applied Sciences ›› 2015, Vol. 33 ›› Issue (2): 155-166.doi: 10.3969/j.issn.0255-8297.2015.02.005

• Communication Engineering • Previous Articles     Next Articles

Accurate and Low Overhead Mechanism for Measuring Available Bandwidth

ZHOU Yi-qiu1, CHEN Bing1, QIAN Hong-yan1, LÜ Zong-lei2   

  1. 1. College of Computer Science and Technology, Nanjing University of Aeronautics and
    Astronautics, Nanjing 210016, China
    2. Information Technology Research Base of Civil Aviation Administration of China,
    Civil Aviation University of China, Tianjin 300300, China
  • Received:2014-10-16 Revised:2014-12-03 Online:2015-03-30 Published:2014-12-03

Abstract: The available end-to-end bandwidth is an important specification in network
measurement. Most tools need to spend much time in measuring and analyzing before
calculating the available bandwidth. This paper proposes a low overhead mechanism for
accurate and fast measurement of the available bandwidth by analyzing the cross traffic
effect in the Internet. A model is established to reflect the relationship between utilization
and the sending rate of probe packets, which is combined with an extended Kalman filter to
obtain the new available bandwidth. This mechanism does not require any prior knowledge
of the bottleneck link capacity and can reduce the effect of accuracy. Besides, the sending
rate of probing packets can be much lower than the available bandwidth. Performance
of the mechanism is verified numerically, showing fast response to burst cross traffic, low
estimation error, and short convergence time.

Key words: available bandwidth, burst cross traffic, extend Kalman filter

CLC Number: