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  #1 (permalink)  
Old 07-09-2009, 9:32 AM
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Default Connecting VB.net Applications

I am building a VB.net application which is supposed to serve as a Mission Control Center for our virtual aviation community's Space Shuttle Program. In this direction, I will have 20 people using this "MCC" to follow the shuttle. Within the MCC, I must connect all of the 20 open programs to each other so that for example if one presses the "EMERGENCY" button, all of the others will be notified. Also, I need to add an Instant Messaging or Telephony (VoIP) to this application. Currently, the way I'm doing it is: If one presses "EMG", this executes a PHP file on my server and the PHP file produces a text file which is being downloaded every 1 minute by every user. The software then interprets the message as EMG, emergency, and flashes a red light. But for every user, this will have a maximum 1 minute delay... This is SO amateur and it sucks because you have a 1 minute delay in notifications... How can I do this more efficiently. Please consider the fact that other users won't be able to do advanced stuff like opening ports for P2P connections. Thanks!

Last edited by tekinozbek; 07-10-2009 at 5:51 AM.
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Old 07-12-2009, 5:36 PM
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Ah... So this is the exclusive VB.net community?
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Old 07-21-2009, 8:38 AM
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Hello.

You should consider building up a central server to which each clients connects. This should work without problems with the TCPListener. There are also a lot of tutorials out there on how to do this (just look for Instant Messaging...it's the same thing).

What you're describing sounds more like a Peer-To-Peer Network, which is not (at least in my opinion) desirable for this.

Bobby
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