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Date:      Mon, 20 Mar 2017 21:00:38 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-net@FreeBSD.org
Subject:   [Bug 217637] One TCP connection accepted TWO times
Message-ID:  <bug-217637-2472-25qCsR88Q7@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-217637-2472@https.bugs.freebsd.org/bugzilla/>
References:  <bug-217637-2472@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D217637

--- Comment #69 from slw@zxy.spb.ru ---
(In reply to Michael Tuexen from comment #68)

> Hmm. My understanding is that TCP provides a reliable bi-directional byte=
-stream.
> This means that no user data is lost in any of the two directions.

"Lost" in this context is "not delivered to remote IP stack". Not applicati=
on,
IP stack.
Remote system ACK data after place in system buffer, not after reading by
application.
I.e. while system can accept data and generate ACK -- all ok. Data delivere=
d.

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