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Re: Late binding

From: Sam <bytecode@Phreaker.net>
Date: Tue, 25 Jun 2002 20:14:05 -0400
Message-ID: <3D19074D.35B3B45E@Phreaker.net>
To: w3arch <www-ws-arch@w3.org>

I m looking for a clear and precise definition of early
and late binding in the context of web services.

Can anyone help me with that

Thanks
/sam



Mark Baker wrote:
> 
> Hi Roger,
> 
> On Tue, Jun 25, 2002 at 12:46:46PM -0700, Cutler, Roger (RogerCutler) wrote:
> > I'm not sure why you think that early binding is such a bad thing.  In many
> > instances late binding is a bad thing for various practical reasons.  I
> > myself tend to avoid late binding if I possibly can.  This is not just me --
> > it is an accepted architectural principle in our company's development
> > community, and I believe that there are other companies with similar views.
> >
> > Actually, I don't think that a discussion of whether early or late binding
> > is a "good" or "bad" thing is likely to be very productive.  I think that
> > both are necessary and both must be supported.  I would be very, very
> > resistant to a suggestion that early binding should somehow be forbidden or
> > made impossible.  If you feel that supporting late binding is critical I
> > won't argue with you -- as long as you leave my early binding alone.
> 
> For sure.
> 
> But just so you know my position, late binding is absolutely required
> for Internet scale services, primarily because the coordination costs of
> early binding are prohibitive between parties that don't already know
> one another (and have a trusted relationship in which they can exchange
> information about their services).
> 
> You can observe this with any SOAP 1.1 based service.  If I come
> across some WSDL, where I had no previous knowledge of that service,
> then I can't use the service.
> 
> Contrast this with the Web; if I come across a HTTP URI, I know that I
> can interact with the resource using HTTP's methods.
> 
> MB
> --
> Mark Baker, CTO, Idokorro Mobile (formerly Planetfred)
> Ottawa, Ontario, CANADA.               distobj@acm.org
> http://www.markbaker.ca        http://www.idokorro.com
Received on Tuesday, 25 June 2002 21:34:03 GMT

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