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Re: 2.4 kernel networking and SMP

To: kuznet@xxxxxxxxxxxxx
Subject: Re: 2.4 kernel networking and SMP
From: Gleb Natapov <gleb@xxxxxxxxxxx>
Date: Sun, 11 Jun 2000 12:40:16 +0000
Cc: netdev@xxxxxxxxxxx
Organization: NBase-Xyplex
References: <200006101743.VAA32298@xxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
kuznet@xxxxxxxxxxxxx wrote:
> 
> Hello!
> 
> > Can you tell me what level of parallelism do I get from the networking
> > layers (forwarding, filtering, NAT),
> 
> Infinite one. 8)
> 
> Seriously, it depends on network configuration. F.e. if router has only
> two interfaces, more than two cpus will do no useful work,

Two interfaces or physical devices? If I have many network interfaces
that use the same physical device to send packets do additional cpu will
make sense?

> but simly will break network reordering packets, if you
> did not bind irqs to selected cpus.
> 
> Alexey

--
                        Gleb.

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