netdev - Re: increase the number of routing tables

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Date:	Sun, 29 Jan 2012 16:02:50 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	simonchennj@...il.com
Cc:	greearb@...delatech.com, eric.dumazet@...il.com,
	netdev@...r.kernel.org
Subject: Re: increase the number of routing tables

From: Simon Chen <simonchennj@...il.com>
Date: Sat, 28 Jan 2012 23:20:33 -0500

> I wonder if we can use a trie-tree for "ip rule" - linear evaluation
> does not sound too good. But I'll be using a ton of iptables rules as
> well, and I believe those are linear evaluation too :-(

You cannot use a trie because the rules are defined to be evaluated
in the order they were added to the kernel, it is the same problem
that basic firewall rule tables have.
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