On Dec 1, 2004, at 2:47 PM, kweto wrote:
Hello again All,
I've begun learning and putting into effect everyone's kind advise about
linking stacks thru sockets. Especially useful were the chat stacks. I think
I have a strong sense now of how to make it all work. Thank you to all!
Now, a related-but-OT question. If messages from several computers/stacks
are sent out "simultaneously" to the one computer/stack which is intended
for accepting messages, in what order are those in-coming messages likely to
be handled? Of course, computers are fast so maybe there's nothing to worry
about, but a group of young learners can surprise teachers in unpredicted
ways, especially if they're clicking madly on the "I know the answer!"
buzzer-like button of the LAN-based, interconnected stacks I'm now planning.
I'm worried/scared that, even though given things being equal (such as
computer make and operating system), either the central stack itself or
perhaps even the router might re-shuffle "simultaneous" messages in some
sort of order other than a real-time one, and thus one learner will seem to
be winning all the time.
Given that your users will be on a lan in the same physical location, the one that presses their button first should be the one to hit the server first. If going over the net, lag time could affect the outcome, but should not be that critical.
-- Best regards, Mark Talluto http://www.canelasoftware.com
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