RE: Reliable messaging
"Burdett, David" <[email protected]>
| Newsgroups | gmane.comp.web.services.ws-arch |
|---|---|
| Message-ID | <C1E0143CD365A445A4417083BF6F42CC053D115C@C1plenaexm07.commerceone.com> |
Mark, you said ... >>>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)<<< Yes, but IF you do receive the response to a message, then you KNOW that the message was received. The uncertainty arises if you do not receive a response to a message as you say. David -----Original Message----- From: Mark Baker [mailto:[email protected]] Sent: Thursday, August 29, 2002 1:02 PM To: Burdett, David Cc: 'Christopher B Ferris'; [email protected] Subject: Reliable messaging 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. [email protected] http://www.markbaker.ca http://www.idokorro.com