From owner-freebsd-net@FreeBSD.ORG  Wed Dec 12 12:47:47 2007
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Date: Wed, 12 Dec 2007 12:29:53 +0000
From: "Bruce M. Simpson" <bms@icir.org>
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To: Julian Elischer <julian@elischer.org>
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Cc: Luigi Rizzo <rizzo@icir.org>, "Li, Qing" <qing.li@bluecoat.com>,
	ales.cerri@tiscali.it, FreeBSD Net <freebsd-net@freebsd.org>
Subject: Re: arp rewrite...
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Julian Elischer wrote:
>
> I think that breaking the arp code from the routing code
> need to proceed.

I agree wholeheartedly. The coupling of the ARP code to the forwarding 
code in the BSDs has been largely historical. Other implementations have 
done this, and it generally simplifies the layer 3 forwarding code.

If done carefully, the performance impact should be minimal. rwlocks 
might be the way to go here.

In my opinion this kind of change has been needed for a long time, sadly 
I can't offer any resources to help move this along just now.

Best regards
BMS