In article <lg5bug$682$1...@dont-email.me>, David Woolley <david@ex.djwhome.demon.invalid> wrote:
> On 16/03/14 22:16, Joe Gwinn wrote: > > I recall seeing something from Dr. Mills saying that a formal proof had > > been found showing that no packet-exchange protocol (like NTP) could > > tell delay asymmetry from clock offset. Can anyone provide a reference > > to this proof? > > I would have thought it was obvious. It was generally believed that this was true, but what was lacking was the mathematical proof that no message-exchange protocol, however clever, could overcome delay asymmetry. I recall that someone finally found a proof. Joe Gwinn _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions