The Protocol [was: Syntax] is API Fallacy

Walter Underwood wunder at infoseek.com
Wed May 5 23:12:32 BST 1999


At 02:58 PM 5/5/99 -0400, Jonathan Borden wrote:
>
>    This is my suggestion (feel free to propose another): Distributed
>systems can communicate via HTTP and SMTP using XML documents as the
>contents of their MIME messages and function in the same fashion as
>distributed systems which employ IIOP or DCE-RPC.

Some important parts of the GO Network portal backend use this
approach. It has pluses and minuses, but it is clearly good
enough for 24/7 online systems.

If anyone wants to dig into models for concurrency, I recommend
this paper:

   Hugh C. Lauer, Roger M. Needham: On the Duality of Operating 
   System Structures. Operating Systems Review 13(2): 3-19 (1979)

It arose out of hallway arguments over message-passing versus
monitor programming styles. They prove the two equivalent, then
go on to describe the flavor of each style. Very useful perspective.

wunder
 
--
Walter R. Underwood
wunder at infoseek.com
wunder at best.com (home)
http://software.infoseek.com/cce/ (my product)
http://www.best.com/~wunder/
1-408-543-6946

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