[Imap-uw] Re: moving mail between folders is intermittently
bhayden at umn.edu
Thu May 6 19:43:10 PDT 2010
On May 6 2010, Mark Crispin wrote:
>Reliable does not mean "does not fail".
Coincidentally, nobody said it did. Interesting!
This is another fun historical dissertation, at whose core is: "change the
RFCs, and until then maintain some righteous anger."
>What you think of as being "failure" are all application layer concept:
> The application received a session disconnect (FIN) from TCP. This is
>completely an application concept; TCP considers this to be a completely
>normal shutdown of the session.
> The application received a session reset (RST) from TCP. This
>indicates that the application attempted to communicate with a TCP peer
>that does not exist. This is what most people (mistakenly) call a "TCP
> The application unilaterally decides that a failure has occurred.
>Now,  and  generally indicate the demise of the peer, with  being
>the normal and expected result of a mutually-agreed upon demise.  is
>not supposed to happen with debugged implementations, except when a
>link-level disconnect outlasts a FIN-wait.
>But neither of these are what the discussion is about. That is :
That is quite a sleight of hand there. It makes your pats on the heads of
the "young'ns" look even sillier. You've oversimplified [2[ to the point
where it edges from "oversimplified" to "misleading."
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