[Spread-users] Re: [Spread-users]: Max time delivery?

Matthias Urlichs smurf at noris.de
Fri May 17 14:49:36 EDT 2002


Jonathan Stanton:
> An interesting problem that occurs with this type of feature is that it is
> not clear in a distributed system who's clock represents 'real' time. If
> one clock is slow and so the message is marked as being sent an hour ago,
> should it be discarded immediately upon reaching another machine?
If both/all machines run NTP, this is not a problem.

Slow (or fast) clocks cause problems with other protocols, so having
clocks in sync is a reasonable requirement.

Matthias Urlichs     |     noris network AG     |     http://smurf.noris.de/

More information about the Spread-users mailing list