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Re: Reliable messaging

From: Christopher B Ferris <chrisfer@us.ibm.com>
Date: Thu, 29 Aug 2002 16:24:50 -0400
To: Mark Baker <distobj@acm.org>
Cc: "Burdett, David" <david.burdett@commerceone.com>, www-ws-arch@w3.org, www-ws-arch-request@w3.org
Message-ID: <OFB665FFA5.A8AA63A5-ON85256C24.006F02EC-85256C24.00700C5A@rchland.ibm.com>
#1 in my definition reads:

the ability of a sender to be able to determine whether a given 
message has been received by its intended receiver ...

It doesn't speak of a mechanism, but there are many means of achieving 
this.

Cheers,

Christopher Ferris
Architect, Emerging e-business Industry Architecture
email: chrisfer@us.ibm.com
phone: +1 508 234 3624

www-ws-arch-request@w3.org wrote on 08/29/2002 04:01:41 PM:

> 
> On Thu, Aug 29, 2002 at 11:48:41AM -0700, Burdett, David wrote:
> > I like your definitions,  however, they do not address what I think is 
the
> > certainty that although you can be sure a message was received, you 
can
> > never be absolutely sure that it was not.
> 
> How can you be sure that a message was received?  Because there's always
> a chance that the response to a message doesn't make it, and leaves the
> two parties out of synch (i.e. two army problem).
> 
> MB
> -- 
> Mark Baker, CTO, Idokorro Mobile (formerly Planetfred)
> Ottawa, Ontario, CANADA.               distobj@acm.org
> http://www.markbaker.ca        http://www.idokorro.com
> 
Received on Thursday, 29 August 2002 16:25:32 GMT

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