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Re: Web RPCs Considered Harmful

From: Anders W. Tell <anderst@toolsmiths.se>
Date: Sat, 13 May 2000 15:18:55 +0200
Message-ID: <391D563F.8FF67B65@toolsmiths.se>
To: "Wesley M. Felter" <wesf@cs.utexas.edu>
CC: Edd Dumbill <edd@usefulinc.com>, xml-dist-app@w3.org
"Wesley M. Felter" wrote:

> On Fri, 12 May 2000, Edd Dumbill wrote:
> > Although you point out that data transfer protocols have the opportunity
> > of avoiding lock-in, I'm not sure it's an API vs data transfer thing.
> > I can't see that it's any more difficult to obfuscate a data format than
> > an API.
> I don't see obfuscation as being the problem. I'm more concerned about RPC
> interfaces which are fully published, but can't map onto other
> implementations than the initial one. Consider an interface that requires
> every object to be manipulated to have some unique numeric ID; a system
> that doesn't assign numeric IDs to its objects is going to need massive
> kludges to implement such an interface.

This a major differentiator between protocols, the concept of instance/state
pure RPC/stateless. There is also another issue lurking here and that is how
the instance id's should be extressed and transferred.

IMO there doesnt exist any *super* protocol which can handle all protocol
use cases so its back to basics again: let the requirements and use cases
determine which protocol characteristics are needed.

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/  Anders W. Tell                     /
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Received on Saturday, 13 May 2000 09:17:40 UTC

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