E. Siemens and C. Grimm (Germany)
: end-to-end network performance, one-waydelay (OWD) measurement, measurement accuracy, realtime applications, Grid computing.
In this paper we present our approach of a distributed environment for high-precision and high bitrate network measurements. These measurements can be performed on a standard PC system without changes in the kernel of the operating system. Unique features of our system are sup port of measurements in a distributed manner as well as using different packet sampling models for measurement data flows. In addition, bounds of measurement accuracy on non real-time operation systems as well as a proof of concept are drawn. The shown measurement approach is essentially suited for estimating quality of Grid and real time multimedia applications in the Internet.
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