August 28th, 2008
This article explains network time synchronization
Even when the Internet when was its infancy, with no more than a few computers connected together it became apparent that there was a need for time synchronisation. Computers are easily confused particularly with time which can only travel in one direction.
When a communication is sent from one computer and received by seems to have arrived before it was sent and this can cause unforeseen problems.
Think about buying an airline ticket only to turn up at the airport to find somebody has bought your seat after you did because they booked it on a computer with a slower clock!
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NTP Time Server - The Art of Synchronisation
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June 29th, 2008
This article explains the basics of NTP servers
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NTP servers or Network Time Protocol are devices that
connect to a computer network and synchronise all machines to a single time source. Of course most
Windows operating systems have an
inbuilt NTP program called Windows Time that can synchronise to an Internet time
source; however, these can not be authenticated and can leave a computer
network open to abuse.
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June 22nd, 2008
This
article describes how to configure Windows to act as an authoritative time
server using NTP (Network Time Protocol).
Computer time synchronisation is highly
important in modern computer networks, precision and time synchronization is
critical in many applications, particularly time sensitive transactions. Just
imagine buying an airline seat only to be told at the airport that the ticket
was sold twice because it was purchased afterwards on a computer that had a
slower clock!
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Configuring a Windows Based NTP Network Time Server
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June 22nd, 2008
This article explores the importance of
accurate network timing and explains NTP.
All PC’s
and networking devices use clocks to maintain an internal system time. These
clocks, called Real Time Clock chips (RTC) provide time and date
information. The chips are battery backed so that even during power outages,
they can maintain time. However, personal computers are not designed to be
perfect clocks, their design has been optimized for mass production and
low-cost rather than maintaining accurate time.
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NTP: Accurate Network Time Synchronisation
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