From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: linux@horizon.com
Cc: johnpol.2ka.mipt.ru@horizon.com, netdev@vger.kernel.org
Subject: Re: RFC: Established connections hash function
Date: Sat, 24 Mar 2007 16:29:11 +0300 [thread overview]
Message-ID: <20070324132911.GA5629@2ka.mipt.ru> (raw)
In-Reply-To: <20070324122658.7240.qmail@science.horizon.com>
On Sat, Mar 24, 2007 at 08:26:58AM -0400, linux@horizon.com (linux@horizon.com) wrote:
> > Result with jenkins:
> > 1 23880
> > 2 12108
> > 3 4040
> > 4 1019
> > 5 200
> > 6 30
> > 7 8
> > 8 1
> >
> > Xor:
> > 1 65536
>
> Precisely. This means that the Xor hash SUCKS, because its output is conspicuously
> non-random.
XOR hash was specially designed for network environment, so it has the
ever best result (in this scenario, but it can be too easily controlled by attacker).
It is not general purpose hash.
--
Evgeniy Polyakov
next prev parent reply other threads:[~2007-03-24 13:30 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-24 12:26 RFC: Established connections hash function linux
2007-03-24 13:29 ` Evgeniy Polyakov [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-03-22 15:39 Nikolaos D. Bougalis
2007-03-22 15:52 ` Evgeniy Polyakov
2007-03-22 17:32 ` Nikolaos D. Bougalis
2007-03-22 18:21 ` Evgeniy Polyakov
2007-03-22 19:44 ` Nikolaos D. Bougalis
2007-03-22 19:56 ` Evgeniy Polyakov
2007-03-22 20:53 ` Nikolaos D. Bougalis
2007-03-23 7:52 ` Evgeniy Polyakov
2007-03-22 20:58 ` David Miller
2007-03-22 22:03 ` Eric Dumazet
2007-03-23 7:11 ` David Miller
2007-03-23 8:00 ` Eric Dumazet
2007-03-23 18:46 ` David Miller
2007-03-23 8:07 ` Evgeniy Polyakov
2007-03-23 8:17 ` Eric Dumazet
2007-03-23 8:33 ` Evgeniy Polyakov
2007-03-23 9:10 ` Evgeniy Polyakov
2007-03-23 12:45 ` Nikolaos D. Bougalis
2007-03-27 14:11 ` Andi Kleen
2007-03-28 5:01 ` Nikolaos D. Bougalis
2007-03-28 6:29 ` David Miller
2007-03-28 9:29 ` Andi Kleen
2007-03-28 10:45 ` Evgeniy Polyakov
2007-03-28 14:14 ` Andi Kleen
2007-03-28 13:50 ` Eric Dumazet
2007-03-28 14:52 ` Andi Kleen
2007-03-29 9:18 ` Evgeniy Polyakov
2007-03-28 19:04 ` David Miller
2007-03-28 20:12 ` Andi Kleen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070324132911.GA5629@2ka.mipt.ru \
--to=johnpol@2ka.mipt.ru \
--cc=johnpol.2ka.mipt.ru@horizon.com \
--cc=linux@horizon.com \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).