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Re: IPsec performance

from [Patrick McHardy] [Permanent Link][Original]
To: Miika Komu <miika@xxxxxx>
Subject: Re: IPsec performance
From: Patrick McHardy <kaber@xxxxxxxxx>
Date: Tue, 3 May 2005 02:55:16 +0200 (CEST)
Cc: netdev@xxxxxxxxxxx
In-reply-to: <Pine.GSO.4.58.0505022204090.25766@xxxxxxxxxxxxxxxxxx>
References: <Pine.GSO.4.58.0505022117190.25766@xxxxxxxxxxxxxxxxxx> <Pine.GSO.4.58.0505022204090.25766@xxxxxxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx 
On Mon, 2 May 2005, Miika Komu wrote:

I compared TCP-over-NULL-ESP vs. plain-TCP throughput with "ttcp" tool and
obtained the following results:

Plain-TCP:      11 megabytes/s
NULL-ESP:       2.5 megabytes/s


I browsed the archives also and found this one:

http://oss.sgi.com/archives/netdev/2004-12/msg00801.html


null encryption uses a block size of 1, which causes inefficent handling
of the data. I'm unsure if some hack for this specific case is worth it
since its only meant for testing.

Regards
Patrick
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