Re: Webservice Callbacks

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: Jan Tielens (jan_at_no.spam.please.leadit.be)
Date: 03/09/04 

Date: Tue, 9 Mar 2004 11:18:57 +0100

In that case: yes. But this only works if your clients expose a web service.
This is rather unusual if they are just normal windows applications because
you'll need IIS on each client...

Maybe you could consider a polling mechanism: each client checks each minute
if there are new events waiting. 

-- 
Greetz,
Jan
________________________
Read my weblog: http://weblogs.asp.net/jan
"Mark Redman" <RedmanSoftware@hotmail.com> schreef in bericht
news:uHFsZibBEHA.576@TK2MSFTNGP11.phx.gbl...
> Hi Jan,
>
> Thanks for the reply and info, I think this may work for some calls and
will
> look into it, but some things may happen where the calling app doesnt call
a
> function and expect a response but where something  happens within the API
> and needs to tell the calling application. In this case I still think I
need
> to write the receiving webservice first?
>
> Mark Redman
>
>
> "Jan Tielens" <jan@no.spam.please.leadit.be> wrote in message
> news:Ofb1PAaBEHA.1796@TK2MSFTNGP12.phx.gbl...
> > You could also use async. web services:
> > http://tinyurl.com/2r6vg
> > Asynchronous Web Service Calls over HTTP with the .NET Framework
> > Summary: Matt Powell walks through the various options provided by the
> > Microsoft .NET Framework for making asynchronous Web service calls over
> > HTTP, which allow for efficient calls to Web services without blocking
> > applications while potentially lengthy network calls complete. (11
printed
> > pages)
> >
> >
> > -- 
> > Greetz,
> > Jan
> > ________________________
> > Read my weblog: http://weblogs.asp.net/jan
> >
> > "Mark Redman" <RedmanSoftware@hotmail.com> schreef in bericht
> > news:ekk48OSBEHA.3064@tk2msftngp13.phx.gbl...
> > > Hi All,
> > >
> > > I have a system with its own API that other systems will integrate
with,
> I
> > > have a webservice with functions etc, no problems there, but some
tasks
> > will
> > > take some time to be done, a function will be called on the webservice
> and
> > > the tasks will be queued. When the task is done, I would like to have
a
> > > callback, that will call a webservice on the other system. What is the
> > best
> > > way to implement this? The "Other" system may be written by a third
> party
> > > and not necessarily done in .NET etc.
> > >
> > > Should I just write the Receiving/Listener webservice and create the
> WSDL
> > > from that, then any other system needs to comform to that? It seems
> > > backwards but the only way I can think of doing it?
> > >
> > > Thanks
> > >
> > > Mark Redman
> > >
> > >
> >
> >
>
>

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