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An algorithm to synchronize the time of a computer to universal time

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1 Author(s)
Levine, Judah ; Joint Inst. for Lab. Astrophys., Colorado Univ., Boulder, CO, USA

Describes an algorithm that synchronizes the time of a computer clock to UTC with an uncertainty due to all causes of about 1 ms RMS. The method uses periodic calibration data obtained via dial-up telephone access to the NIST automated computer time service. The interval between calibrations can be chosen to provide optimum time accuracy or reduced accuracy at reduced cost based on a preliminary evaluation of the statistical performance of the clock. The computer can serve as a primary network time server or can be used stand-alone whenever precise time-stamps are required

Published in:

Networking, IEEE/ACM Transactions on  (Volume:3 ,  Issue: 1 )

Date of Publication:

Feb 1995

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