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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
NTP(Network Time Protocol) A TCP/IP protocol used to synchronize the real-time clock in computers, network devices and other electronic equipment. NTP is also used to maintain the correct time in Internet-connected wall and desk clocks.
The Coordinated Universal Time (UTC) can be obtained over the Internet from NTP time servers, or it can be acquired from stand-alone devices that receive atomic clock signals from the GPS. For more information, visit www.ntp.org. See UTC and time server.
|Get the Time|
|Every time this Snom IP phone boots up, it gets the time from an NTP server.|
|Keep In Sync|
|SymmTime for Windows synchronizes a computer's real-time clock from NTP servers. It can display multiple time zones in digital and analog formats.|
|Out of Sync|
|This earlier LMCheck utility showed the time from all machines in the network. Computer clock circuits cost only a few cents and tend to drift (as in this example), which is why a network time server keeps every machine synchronized.|
|Synchronization Plus Security|
|For greater security, time servers such as this earlier SyncServer from Symmetricom obtained the time from the GPS rather than the Internet. (Image courtesy of Microsemi Corporation, www.microsemi.com)|
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