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Re: 2.4 kernel networking and SMP

To: gleb@xxxxxxxxxxx (Gleb Natapov)
Subject: Re: 2.4 kernel networking and SMP
From: kuznet@xxxxxxxxxxxxx
Date: Sun, 11 Jun 2000 21:01:15 +0400 (MSK DST)
Cc: netdev@xxxxxxxxxxx
In-reply-to: <394388B0.54C15B24@nbase.co.il> from "Gleb Natapov" at Jun 11, 0 12:40:16 pm
Sender: owner-netdev@xxxxxxxxxxx
Hello!

> Two interfaces or physical devices? If I have many network interfaces
> that use the same physical device 

What is "physical device"? 8)


Assuming, you talk about tunnels:

> to send packets do additional cpu will make sense?

If encapsulation is expensive, sort of IPsec transform,
smp will help a lot certainly.

If it is not and you have thousand of tunnels, all of them
will have single contention point at underlying interface certainly.

Alexey

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