WSE 2.0 Instant Notifications

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Jivi - 21 Jun 2004 11:14 GMT

i was thinking of a way to implement Instant Notifications using the
new messaging features. Idea is to send a packet async to a winforms
app on a client machine.

i think this would be possible setting up a TCP listener on Client
Machine Winforms Application.
soap.tcp://IPADresss/SoapService

And then sending a message from the SoapClient(which this time
ironically would be a web server )!

Question is - How do i find out the IP address of the Client.I was
conidering the possiblity of finding the IP address of the client
using WMI.

However the situation would be complex in the case of a machine behind
a proxy.
Is there any way of sending a message to a client asynchronously ?

Maybe we can find out the IP address of the Client machine from Soap
request?

Thanks in advance and if i made it very confusing - please ask me ..

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Jivi - 22 Jun 2004 10:35 GMT

As nobody replied - i thought i'd reformat the problem a bit to make
things clearer :-)

Question : Is there a a way to implement Instant Notifications using
the
new messaging features of WSE 2.0 ?

Idea is to send a message to a winforms app on a client machine from a
web service.

As a start i think this would be possible setting up a TCP listener on
Client Machine Winforms Application.
soap.tcp://IPADresss/SoapService

And then sending a message from the Web Service to this Listener.

Question is - How do i find out the IP address of the Client at the
first place ?
I was conidering the possiblity of finding the IP address of the
client
using WMI .

However the situation would be complex in the case of a machine behind
a proxy. Maybe we can find out the IP address of the Client machine
from Soap
request?

Question : Is there any other way of sending a message to a client
asynchronously using web services?

I'll try and put up a Version 3 of this question if it still isnt
clear

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Michael Herman \(Parallelspace\) - 02 Aug 2004 16:36 GMT

Jivi,

Checkout
http://msdn.microsoft.com/webservices/building/wse/default.aspx?pull=/library/en
-us/dnwse/html/wsemessaging.asp

The easiest way to address this is for the client subscriber to send a
subscription message to the notification service that contains a "notifyTo"
element containing the client's return notification URI. The notification
service then remembers the notifyTo address and uses it to send async
notifications.

Check out the sync eventing sample from the above WSE 2.0 white paper.

Signature

Michael Herman
Parallelspace Corporation
Developers of Advanced Business Collaboration Solutions for Microsoft
SharePoint, Microsoft Live Communications Server and Groove Workspace

Portal and Content Migration Solution Specialists:
http://www.parallelspace.net/sharepoint
SharePoint Migration Knowledge Center:
http://groups.yahoo.com/group/sharepointmigration

> As nobody replied - i thought i'd reformat the problem a bit to make
> things clearer :-)
[quoted text clipped - 28 lines]
> I'll try and put up a Version 3 of this question if it still isnt
> clear

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