Re: [PATCH] tcp: efficient port randomisation (revised)

netdev

Re: [PATCH] tcp: efficient port randomisation (revised)

To:	"David S. Miller" <davem@xxxxxxxxxxxxx>
Subject:	Re: [PATCH] tcp: efficient port randomisation (revised)
From:	Stephen Hemminger <shemminger@xxxxxxxx>
Date:	Thu, 2 Dec 2004 15:01:21 -0800
Cc:	michael.vittrup.larsen@xxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to:	<20041202135252.04e64f51.davem@xxxxxxxxxxxxx>
Organization:	Open Source Development Lab
References:	<20041027092531.78fe438c@xxxxxxxxxxxxxxxxxxxxxxxxxx> <200411020854.44745.michael.vittrup.larsen@xxxxxxxxxxxx> <20041104100104.570e67cd@xxxxxxxxxxxxxxxxx> <200411051103.59032.michael.vittrup.larsen@xxxxxxxxxxxx> <20041117153025.160eaa04@xxxxxxxxxxxxxxxxx> <20041130214643.7b72300e.davem@xxxxxxxxxxxxx> <20041201152446.3a0d5ce3@xxxxxxxxxxxxxxxxx> <20041201204622.7b760400.davem@xxxxxxxxxxxxx> <20041202134930.132d7bd8@xxxxxxxxxxxxxxxxx> <20041202135252.04e64f51.davem@xxxxxxxxxxxxx>
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On Thu, 2 Dec 2004 13:52:52 -0800
"David S. Miller" <davem@xxxxxxxxxxxxx> wrote:

> On Thu, 2 Dec 2004 13:49:30 -0800
> Stephen Hemminger <shemminger@xxxxxxxx> wrote:
> 
> > These are run on a relatively slow machine (2 way Pentium III 850Mhz)
> > and it looks like the results are no change (in the noise).
> 
> Or averaged out, about 1ms more expensive.

We could always benchmark special the loopback case since there is
no risk of man-in-the-middle attacks.

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