Time synchronization using the Internet

Judah Levine

doi:10.1109/58.660155

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Time synchronization using the Internet

1998-03-01

Judah Levine *

DOI：10.1109/58.660155

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Abstract

En 中文

This paper discusses a new algorithm for synchronizing the clocks of networked computers using messages transmitted over the network itself. The design is based on a statistical model of the clock and the network, and uses this model to define the parameters of a frequency-lock loop which is used to discipline the local oscillator. The design was tested by synchronizing a standard workstation to a time server located 1200 km away; the time offset between the clock synchronized in this way and UTC is 2 ms rms. This analysis also can be used to design algorithms that provide lower accuracy at lower cost.

Keywords:

PROBABILISTIC CLOCK SYNCHRONIZATION

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