One-way Delay Measurement and Characterization

Abstract

In network characterization and network tomography, delay is one of the meaningful parameters to consider. Inside end-to-end delay, one-way delay provides much more information than typical round-trip time. Measuring one-way delay is complex and several components can be distinguished. Measurement errors committed by conventional monitoring hardware are presented. A high-precision European measurement infrastructure has been used to run our experiments and to check general behavior for one-way delay. Maximum likelihood estimation is used to provide generic distribution fitting for one-way delay. The information of one-way delay is also applied to available bandwidth estimation and topology changes during extensive periods of time.