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Re: Route cache performance under stress

To: "David S. Miller" <davem@xxxxxxxxxx>
Subject: Re: Route cache performance under stress
From: Robert Olsson <Robert.Olsson@xxxxxxxxxxx>
Date: Tue, 10 Jun 2003 00:39:56 +0200
Cc: sim@xxxxxxxxxxxxx, xerox@xxxxxxxxxx, hadi@xxxxxxxxxxxxxxxx, fw@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx, Robert.Olsson@xxxxxxxxxxx, kuznet@xxxxxxxxxxxxx
In-reply-to: <20030609.015648.55736734.davem@xxxxxxxxxx>
References: <20030608.225837.115923841.davem@xxxxxxxxxx> <001801c32e50$57ef0750$4a00000a@badass> <20030609071330.GD20613@xxxxxxxxxxxxx> <20030609.015648.55736734.davem@xxxxxxxxxx>
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David S. Miller writes:

 > BTW, ignoring juno, Robert Olsson has some pktgen hacks that allow
 > that to generate new-dst-per-packet DoS like traffic.  It's much
 > more effective than Juno-z
 > Robert could you should these guys your hacks to do that?

What a discussion... Well I'm happy for the past lazy days. 

I've include some references in the experiment from last week and it should 
be interesting for people in this discussion.

Forwarding experiment with different rates of new incoming destinations/sec. 
Ranging from DoS attack to single destination flow. With full 123k routes.

Your latest patch looks interesting... good thinking. Operations and tuning 
would be simplier. Hope to have time for a test tomorrow. Testing is very 
manual work still.



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