At 5:21 PM -0800 2005-03-18, David Schwartz wrote:
> A machine reports a time of X and it reports its own accuracy as Y and
> the round trip time is Z. Why does this one machine not define an interval
> X+Y+Z to X-Y-Z?
Because we're talking about intervals between servers.
> I don't see why. Common sense say that if you have three servers and
> they report:
>
> 10:11
> 10:11
> 12:03
When it comes to the Byzantine agreement algorithms, things
rarely make sense when you're talking about degenerate cases.
--
Brad Knowles,
"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."
-- Benjamin Franklin (1706-1790), reply of the Pennsylvania
Assembly to the Governor, November 11, 1755
SAGE member since 1995. See for more info. |