[time-nuts] FW: IEEE 1588

M. Warner Losh imp at bsdimp.com
Wed May 3 13:15:05 EDT 2006

In message: <001901c66e61$bbd4db10$7f01000a at fakie>
            "Christopher Hoover" <ch at murgatroid.com> writes:
: Has anyone been following the recently issued IEEE 1588 Precise Time
: Protocol (PTP) standard?  
: http://ieee1588.nist.gov/

Our company is investigating the performance that one can get out of
IEEE1588.  It is a standard time exchange protocol, but needs special

: >From what I've read, implementations have demonstrated 10-100 nanosecond
: synchronization between computers connected via Ethernet.

That's syncing two clocks to that level, with special NIC/switch
support for 1588 to eliminate the async delay paths.


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