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From "Steve Loughran" <>
Subject Re: events in Webservices
Date Tue, 10 Dec 2002 17:00:03 GMT

----- Original Message -----
From: "Alexey Krivitsky" <AKrivitsky@MIRATECH.UA>
To: <>
Sent: Tuesday, December 10, 2002 03:57
Subject: RE: events in Webservices

Thanks for your notes, Steve
I am going to work through the firewall, so your comments are reasonable
that is, I can't ping the client-side from the server.

>How does dotNet with its unsolicited events do that?

>AFAIK, when building a webservice with C#, a lightweight
>http server is built in the client-side app to be notified of events.
>Is it a particular solution for working behind the firewall only?

I thought events were only in .net remoting, and no, it doesnt go back
through the firewall.

Have you heard about that?

>Another possibility is to establish a permanent (lasting)
>connection from the client to the server which will follow some custom
>notification protocol.
>On the server side there could be a servlet that never closes
>the connection and writes small pieces of data to the output stream
>when new events should be read by the client from the soap endpoint.
>What would you say about that?

or use a protocol like jabber or beep...

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