- From: Mark Baker <distobj@acm.org>
- Date: Sun, 8 Feb 2004 21:28:13 -0500
- To: Jim Webber <Jim.Webber@newcastle.ac.uk>
- Cc: www-ws-arch@w3.org
Jim, On Mon, Feb 09, 2004 at 01:24:05AM -0000, Jim Webber wrote: > > I'll just briefly mention > > again, that if you study enough Internet scale systems > > (email, Web, instant messaging, even the telephone network), > > you'll find that they *ALL* have one thing in common; a > > constrained interface derived from an application abstraction > > (respectively, an inbox, a resource, a user, and a telephone > > line). I don't believe that's a coincidence. > > You're absolutely right. Web Services has an application abstraction too > - it's a "(SOAP) message." A message is not an application abstraction, it's the means by which an abstraction is utilized. Using the canonical stock quote example, the stock is the abstraction (the thing with the interface), and the messages manipulate that abstraction using that interface. Mark. -- Mark Baker. Ottawa, Ontario, CANADA. http://www.markbaker.ca
Received on Sunday, 8 February 2004 21:28:38 UTC