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ahmadrazakhan

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Server Push

Browser makes a request to web server and gets a response. Well, I want if a client gets some page from my server, then server should be able to send data to clients without any request from them, ie Is Server Push available in IIS server?

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ahmadrazakhan

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I want that my web server should respond without request, isnt it possible? Actually i cant write my own client, i have to communicate with Nokia Wap Server.
No, is not. As I explained, IIS wait for connection, but can't send information to the client without a request or without a client tools for that.
> I want that my web server should respond without request, isnt it possible

but who to? most people use firewalls etc so do not have an IP address that can be contacted directly - all the WAP phones for a provider will appear to be from the same location(s) - also a lot of firewalls will block incoming HTTP eg they will be configured for OUT only. Have a look at Jabber (www.jabber.org) - it uses xml and will tunnel via http - you will need a client app to initiate the connection and then you can push data back and forth - they also have java clients which could be useful - you could also write your own server which will never kill the connection and if you necer send the </HTML> then some fiewalls won't either (unless they timeout) however that doesn't stop the client from doing so.

the other way is to have a clinet app (java) that will perioidcally poll the server and update the webpage dynamically - this is how most tickers work
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