W3C home > Mailing lists > Public > www-ws-arch@w3.org > July 2002

Re: [RTF] AC019 proposal to WSA WG

From: Mark Baker <distobj@acm.org>
Date: Wed, 10 Jul 2002 14:30:18 -0400
To: Walden Mathews <waldenm@ilx.com>
Cc: www-ws-arch@w3.org
Message-ID: <20020710143018.A5470@www.markbaker.ca>

On Wed, Jul 10, 2002 at 11:36:03AM -0400, Walden Mathews wrote:
> > Perhaps, but I doubt it.  Any use of "reliable messaging" I've seen
> > assumes that its job is to make the cruel and nasty network look (to
> > varying degrees) less cruel and nasty.  It is this premise that I
> > believe is fundamentally flawed.
> Mark, this I don't get.  TCP certainly  makes a datagram network look
> "less cruel and nasty", if you're in the right market.  And HTTP standard
> implementation is over TCP, not UDP (I've read up on experimental hybrid
> stuff).  Unless I misunderstand, REST is built upon a level of reliability,
> and it sounds like the same level of reliability being discussed here.

Yes, perhaps I wasn't clear that I was talking about messaging.  TCP
addresses a much more specialized form of reliability than reliable
messaging (I assume this is what you meant by "in the right market"?),
as it is only a point-to-point, connection based solution.  By not
trying to solve the general reliable, any-to-any, extensible QoS
problem, TCP became a workable solution, and has actually become even
more general over time through extension (though still not world-
beating 8-).

Mark Baker, CTO, Idokorro Mobile (formerly Planetfred)
Ottawa, Ontario, CANADA.               distobj@acm.org
http://www.markbaker.ca        http://www.idokorro.com
Received on Wednesday, 10 July 2002 14:18:57 UTC

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