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- README for PTPd
- - Introduction -
- This is the source code for the PTP daemon (PTPd) implementing the
- Precision Time Protocol (PTP) version 2 as defined by 'IEEE Std 1588-2008'. PTP
- provides precise time coordination of Ethernet LAN connected computers. It
- was designed primarily for instrumentation and control systems.
- - Use -
- PTPd can coordinate the clocks of a group of LAN connected computers with each
- other. It has been shown to achieve microsecond level coordination, even on
- limited platforms.
- The 'ptpd' program can be built from the included source code; see the release
- notes about platform compatibility. To use the program, run 'ptpd' on a group of
- LAN connected computers. Compile with 'PTPD_DBG' defined and run with the '-c'
- argument to watch what's going on.
- If you are just looking for software to update the time on your desktop, you
- probably want something that implements the Network Time Protocol. It can
- coordinate computer clocks with an absolute time reference such as UTC.
- - Legal notice -
- PTPd was written by using only information contained within 'IEEE Std
- 1588-2008'. IEEE 1588 may contain patented technology, the use of which is not
- under the control of the authors of PTPd. Users of IEEE 1588 may need to obtain
- a license for the patented technology in the protocol. Contact the IEEE for
- licensing information.
- PTPd comes with absolutely no warranty.
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