Hi If you are running a non-RTOS, one test parameter should be a significant variation in the workload on the server.
Bob On Oct 27, 2012, at 2:34 PM, Magnus Danielson <[email protected]> wrote: > Dear Edgardo, > > On 10/27/2012 07:41 PM, Edgardo Molina wrote: >> Dear Magnus, >> >> I do not have a reference for the performance of Windows as NTP server. >> This has been a busy week and long working nights. It is a logical >> workload after being absent for nearly two weeks : ) >> >> I will browse the web and NIST to find some solid references to this >> issue. I am still enthusiastic about doing the side by side comparison >> for measuring various parameters between a Windows and a Linux box >> running NTP. It will require time to set the test but the contribution >> could be interesting, specially if no work has been done previously. >> I will use my spare time this weekend to search for information on the >> subject. > > A wealth of information has already been show in this thread. I'm sure there > is more out there. > > I wonder to what degrees the different methods to illustrate errors have been > used. Frequency stability for traditional white, flicker and random noises we > illustrate with (modified) Allan Deviation, but it is maybe not the best > method for illustrate temperature shift variants as well as the noise of > packet networks. Similar for phase stability, where TDEV is being used. > Typical way to illustrate time effect of systematic noises in telecom > networks is the MTIE measure, which aids in showing the buffersizes and clock > recovery PLL bandwidth needs, which also the traditional sinusoidal tolerance > curves does. There are also new methods like MAFE for the packet world. > > What will happen on lost of reference and the hold over properties can also > be of interest. Then systematics will surely dominate. > > Cheers, > Magnus > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
