End-to-end bandwidth measurement method considering effects on power-saving routers

In environment when power-saving routers and switches exist in an end-to-end path, since the amount of bandwidth-related resources of an end-to-end network path changes over time, the accuracy of existing end-to-end measurement methods of available bandwidth may degrade. Furthermore, the energy efficiency of power-saving routers also decreases due to additional traffic load by bandwidth probing. In this paper, we propose a method for measuring physical capacity and available bandwidth simultaneously for the situation in which power-saving routers exist on the end-to-end path. By showing simulation results, we show that the proposed method can measure available bandwidth with high accuracy, while maintaining the energy efficiency of power-saving routers.