Abstract
Most of the available bandwidth measurement technologies are based on single-hop and the fluid model,which cannot get high accuracy in the situation of multi-hop path and bursty cross traffic.Therefore,a non-fluid model was analyzed and a method of parameters setting was introduced to reduce the impacts of packet size,cross traffic rate,probe traffic rate on measurement accuracy.A developed structure of packet-pair,combined with setting the Time To Live(TTL) value,reduced the measurement error of packet-pair spacings,which improved the robustness of the method in the context of a multi-hop path.The NS-2 simulation results show that the measurement accuracy is improved by the parameter setting method based on non-fluid model and improved packet structure.
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