Why is Time and Frequency Synchronization important?

Precise time can be defined in various ways, and different levels of time precision are required depending upon the type of application. For example, milliseconds may be sufficient to measure the time in the 100m sprint, microseconds for computer clocks, or nanoseconds from a GPS time source for communications. Stock-market transactions require time accuracy in a sub-microsecond range to be able to prove (worldwide) that the transactions have occurred precisely when they say they did.

To distribute the received absolute time from a precision reference time source, time transportation methods are needed that use special timing protocols. The most frequently used protocol is the network time protocol, or NTP, a software implementation used to synchronize the clocks of computer systems over packet-switched, variable-latency data networks. Time synchronized networks enable accurate time stamping by each of the computers on the network. This is important to properly sort events and transactions into chronological order so that any disturbances or problems in the data can easily be detected and resolved. Precision time stamping is also important for data that is used in financial audits or as evidence in court during legal cases. Time synchronization may also include phase and frequency synchronization in the scientific and communications fields.

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Powerful IEEE 1588 PTP Grandmaster and NTP Server in a 19 inch Rackmount Enclosure