Improved algorithms for synchronizing computer network clocks
IEEE/ACM Transactions on Networking (TON)
On calibrating measurements of packet transit times
SIGMETRICS '98/PERFORMANCE '98 Proceedings of the 1998 ACM SIGMETRICS joint international conference on Measurement and modeling of computer systems
Measurements and analysis of end-to-end Internet dynamics
Measurements and analysis of end-to-end Internet dynamics
Estimation of Clock offset from one-way delay measurement on asymmetric paths
SAINT-W '02 Proceedings of the 2002 Symposium on Applications and the Internet (SAINT) Workshops
Measurement and analysis of end-to-end delay and loss in the internet
Measurement and analysis of end-to-end delay and loss in the internet
One-way delay estimation and its application
Computer Communications
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QoS-support technology in networks is based on measuring QoS metrics which reflect a magnitude of stability and performance such as delay, delay variation, available bandwidth and packet error rate and so on. The measurement of one-way delay essentially requires a guarantee of clock synchronization between end-to-end hosts. However, the hosts in networks have a relative or absolute difference in clock time by reason of clock offsets, clock skews and clock adjustments. In this paper, we propose theory and method of estimating one-way delay and clock offset between end-to-end hosts using our proposed theorem, which is derived from a relationship between one-way delays, one-way delay variations and round-trip times.