PTP Slave Software
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PTP/IEEE-1588 Slave Software
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The Precision Time Protocol (PTP) is a relatively new protocol. As such, there are very few options available
for you to use for Slave Clock software. The only widely available software is an open source version
which is listed in the table below. Other versions of PTP Slave software have very expensive licensing fees or
require you to purchase specialized hardware.
For an explanation of PTP/IEEE-1588 please read our "Precision Time Protocol" white paper.
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Choices for PTP Slave software on Windows machines are very limited. One reason may be the inability
of the Windows Operating System to synchronize to the microsecond level of accuracy. But, by
installing specialized hardware (and proprietary software) into a Windows computer, you can still turn it into a PTP Slave.
National Instruments is one vendor of this hardware/software. There are others.
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PTPd is freely available at Sourceforge and is a complete implementation
of the IEEE-1588 specification for a standard clock. Source code for PTPd is open source and because of
contributions from users it is becoming an increasingly portable, interoperable, and stable IEEE-1588
implementation. Your PTP Slave can be synchronized to within 10 microseconds of the Grandmaster using
this software (network topology dependent).
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