NTP Time Server Frequently Asked Questions
Posted on October 15, 2008 - Filed Under 669 | Leave a Comment
FAQS
Q. What is NTP?
A. NTP ? Network Time Protocol is an Internet protocol for time synchronisation, whilst other time synchronisation protocols are available NTP is by far the most widely used having been around since the mid 1980’s when the Internet was still in its infancy.
Q. What is UTC?
A. UTC ? Coordinated Universal Time is a global timescale based on the time told by atomic clocks. Because these clocks are so accurate every year or so ?leap seconds’ have to be added as UTC is even more accurate than the Earth’s rotation which slows and speeds up thanks to the Moon’s gravity.
Time Server’s and the Importance of Synchronisation.
Posted on May 26, 2008 - Filed Under 468 | Leave a Comment
How a NTP server works
Copyright (c) 2008 Richard Williams
Time servers are like other computer servers in the sense they are usually located on a network. A time server gathers timing information, usually from an external hardware source and then synchronises the network to that time.
Often time servers are synchronised to a UTC (Coordinated Universal time) source which is the global standard time scale and allows computers all over the world to synchronised to exactly the same time. This has obvious importance in industries where exact timing is crucial such as the stock exchange or airline industry.
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