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Date:      Mon, 19 Feb 2001 17:53:58 -0800 (PST)
From:      Archie Cobbs <archie@dellroad.org>
To:        Josef Karthauser <joe@tao.org.uk>
Cc:        Archie Cobbs <archie@dellroad.org>, Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, Poul-Henning Kamp <phk@critter.freebsd.dk>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/netinet ip_fw.c ip_fw.h src/sbin/ipfw ipfw.8 ipfw.c
Message-ID:  <200102200153.RAA00327@curve.dellroad.org>
In-Reply-To: <20010219235626.E8851@tao.org.uk> "from Josef Karthauser at Feb 19, 2001 11:56:26 pm"

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Josef Karthauser writes:
> > Here's a proposal :-)
> > 
> > Netgraphify the entire networking stack. Each interface is a node,
> > the local IP stack (or stacks) is a node, etc. Sprinkle liberally
> > with ng_ipfw(4) (or better yet, ng_bpf(4), allowing full tcpdump
> > style packet matching) nodes to suit.
> 
> How much work is this?  What does it buy us performance-wise?

It would be somewhat slower because of the extreme modularity.
But it would be more flexible, and possibly more robust and
maintainable. Unfortunately it would also be a good deal of work.
It would be a good exercise in networking programming though.. :-)

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com


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