Time Server
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... the next century. The protocol includes provisions to specify the
characteristics and estimate the error of the local clock and the
time server to which it may be synchronized. It also includes
provisions for operation with a number of mutually suspicious,
hierarchically distributed primary reference sources such as radio
...
... gateways. These
gateways, acting as primary time servers, use NTP between them to
cross-check the clocks and mitigate errors due to equipment or
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... hosts or gateways,
acting as secondary time servers, run NTP with one or more of the
primary servers. In order to reduce the protocol overhead ...
...
A primary time server is connected to a primary reference source,
usually a radio clock synchronized to national standard time. A
secondary time server ...
... time server is connected to a primary reference source,
usually a radio clock synchronized to national standard time. A
secondary time server derives time synchronization, possibly via
other secondary servers, from a primary server. Under normal
...