[Zope] Re: Zope Solution

Geir Arne Evjen geirae@pors.hit.no
Fri, 7 Dec 2001 09:49:12 +0100


What about speed in this system, is it comparable with CORBA?. We have 
designed our system such that we need callbacks, id. e sending a request to 
the server requires the server to call the client again. Is this possible 
with the xmp-rpc model.

regard,

Geirt Arne



On Thursday 06 December 2001 23:42, you wrote:
> Hi!
>
> You're right, as Stephan answered to you we used in this project Zope as
> a pure 'blind' appserver.
>
> the protocol we used there is xmlrpc (www.xmlrpc.com) which has bindings
> for nearly all languages, among these: python,c++,java  on client and
> serverside. xmlrpclib marshalls function calls and basic types
> (scalars,dicts,lists,datetimes) as xml statements and uses http as
> transport.
>
> Zope has a built-in xmlrpc server.
>
> There are also projects for other protocols (SOAP and CORBA) but I think
> the latter one is in an experimental state.
>
> The point I liked so much about xmlrpc was that is very uncomplicated to
> implement.
>
> As I can read from your explanation it should be well possible to
> implement that with Zope.
>
> Please let me know when you need more information, perhaps you can then
> provide me more details about your project .
>
>
> regards
>
> phil
>
> Am Don, 2001-12-06 um 13.59 schrieb Geir Arne Evjen:
> > I posted this message in Zope's miling list. I got a reply that I should
> > contact you.
> >
> > Did you have a similar problemsituation?
> >
> > Greeting from,
> > Geir Arne Evjen
> >
> > >I'd heard about this nice product throught a collegue of mine, and I
> > > have some questions in which I hope someone can answer me :-)
> > >
> > >Me and someothers are working with thermodynamic modelling and
> > > alogorithms. One year ago we saw the need of distribution of our code,
> > > which means that we
> > >made our thermodynamic calculation engine as a separate module, and
> > > other modules could use this one (The thermodynamic core could also
> > > access other modules again). All communication between the modules are
> > > in CORBA.  When we want to send data to the modules, id.e.
> > > modellparameters we use XML. Later we
> > >created a dynamic GUI language for manipulation of the parameters and
> > > other stuff, inserting values into the XML tree and calling the
> > > different module functions. Its our glue module. (which is more or less
> > > does the same as Zope (Correct me if I'm wrong.).
> > >
> > >So to my question:
> > >This summer we built a GUI client using java which communicated with our
> > >gluemodule. This is a solution we want to have. Is it possible in Zope
> > > to accomplish this in some way. (Id.e communication without using a web
> > > client)
> > >
> > >Best regards,
> > >Geir Arne Evjen