From: Patrick McHardy <kaber@trash.net>
To: Harald Welte <laforge@netfilter.org>
Cc: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>,
Henrik Nordstrom <hno@marasystems.com>,
Netfilter Development Mailinglist
<netfilter-devel@lists.netfilter.org>
Subject: Re: ctnetlink questions
Date: Mon, 20 Oct 2003 20:53:08 +0200 [thread overview]
Message-ID: <3F942F14.8070505@trash.net> (raw)
In-Reply-To: <20031020144842.GK4914@sunbeam.de.gnumonks.org>
Harald Welte wrote:
>1) uniquely representing ip_conntrack during state replication between
>master and slave. Here the tuple is sufficient, since all state changes
>will be processed in-order. Since the tuple is always unique in the
>hashtable, there is no mistake of updating/deleting the wrong one.
>
>2) uniquely identifying an ip_conntrcak from userspace.
>When userspace first dumps and then deletes by tuple, the tuple might
>already have been reused. This is what most of the discussion was
>about, where a 64bit counter or the generation counter+address had been
>suggested as possible solutions.
>
>
Seems now I didn't understand. How can we use the ids generated by a
generation counter in
userspace ? In any busy system they will be invalidated too fast ..
Best regards,
Patrick
next prev parent reply other threads:[~2003-10-20 18:53 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20031019171851.GR21521@sunbeam.de.gnumonks.org>
2003-10-19 19:36 ` ctnetlink questions Patrick McHardy
2003-10-19 20:28 ` Harald Welte
2003-10-19 22:55 ` Patrick McHardy
2003-10-20 1:05 ` Henrik Nordstrom
2003-10-20 3:01 ` Patrick McHardy
2003-10-20 3:09 ` Patrick McHardy
2003-10-20 6:34 ` Henrik Nordstrom
2003-10-20 17:53 ` Patrick McHardy
2003-10-20 7:15 ` Harald Welte
2003-10-20 9:37 ` Henrik Nordstrom
2003-10-20 18:43 ` Patrick McHardy
2003-10-20 18:37 ` Harald Welte
2003-10-20 19:17 ` Patrick McHardy
2003-10-20 19:41 ` Balazs Scheidler
2003-10-20 20:20 ` Patrick McHardy
2003-10-20 22:59 ` Harald Welte
2003-10-20 18:17 ` Patrick McHardy
2003-10-20 18:39 ` Harald Welte
2003-10-20 19:21 ` Patrick McHardy
2003-10-21 16:47 ` Patrick McHardy
2003-10-21 19:54 ` Henrik Nordstrom
2003-10-21 20:00 ` Patrick McHardy
2003-10-20 18:52 ` Harald Welte
2003-10-20 19:52 ` Patrick McHardy
2003-10-20 23:09 ` Harald Welte
2003-10-20 7:04 ` Harald Welte
2003-10-20 7:17 ` Jozsef Kadlecsik
2003-10-20 9:29 ` Henrik Nordstrom
2004-02-06 18:52 ` Harald Welte
2004-02-09 10:33 ` Pablo Neira
2004-02-10 12:39 ` Patrick McHardy
2004-02-14 20:03 ` Harald Welte
2004-02-15 10:01 ` Patrick McHardy
2004-02-17 21:37 ` Harald Welte
2003-10-20 14:48 ` Harald Welte
2003-10-20 18:53 ` Patrick McHardy [this message]
2003-10-20 22:57 ` Harald Welte
2003-10-20 11:11 ` Jozsef Kadlecsik
2003-10-20 6:58 ` Harald Welte
2003-10-19 14:54 Harald Welte
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