Chat application which can work on internet

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There are numerous articles on internet explaining ways to chat over intranet using WCF, sockets etc. But none of them work over the internet. If some do, they do it with timer, which I don't prefer.

I would like to build a WCF chat engine which can communicate asynchronously on Internet (guess that should be HTTP).

I am not getting the way to start it.
Should I use sockets or WCF?
How will the server transfer messages to its clients?
How will I keep track of clients as they have dynamic IP and it tends to change?
What technology should I use?

Please let me know the way out.
And I wish to use coding only, no third party plugins etc.

Posted 16-Mar-11 2:02am

Wild-Programmer

Updated 16-Mar-11 2:04am

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#realJSOP · Accepted Answer · 2011-03-16T02:53:00

Solution 1

They ALL work over the internet. And yes, WCF should be fine. You don't have to worry about clients IP addresses because they don't change as long as their connection to the internet is alive. The only time their IP will change (about 99.99% of the time) is if they cycle the power on their cable modem/router.

Once you understand WCF, you'll understand how the message traffic works.

Posted 16-Mar-11 2:53am

#realJSOP

Comments

Wild-Programmer 16-Mar-11 9:01am

Thank you John, you've given a good insight. Probably I should dive into books and study WCF in depth. I think learning about Duplex communication will suffice the business.