Is that license fee to HP or to Agilent? Daun
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Poul-Henning Kamp Sent: Wednesday, May 03, 2006 1:14 AM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] FW: IEEE 1588 In message <[EMAIL PROTECTED]>, "Christopher Hoover" writes: > >Has anyone been following the recently issued IEEE 1588 Precise Time >Protocol (PTP) standard? > >http://ieee1588.nist.gov/ Yes, I have. There's a $1000 license fee to HP for patents before you can start to play with it and no waiver is possible, so Open Source not an option. >>From what I've read, implementations have demonstrated 10-100 >>nanosecond >synchronization between computers connected via Ethernet. Provided you have hardware support in the ethernet controller. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
