netdev - Re: Integration of Open vSwitch

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Message-ID: <20111130154715.GB4487@gondor.apana.org.au>
Date:	Wed, 30 Nov 2011 23:47:15 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	jhs@...atatu.com
Cc:	Jesse Gross <jesse@...ira.com>, netdev <netdev@...r.kernel.org>,
	dev@...nvswitch.org, David Miller <davem@...emloft.net>,
	Stephen Hemminger <shemminger@...tta.com>,
	Chris Wright <chrisw@...hat.com>,
	John Fastabend <john.r.fastabend@...el.com>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: Integration of Open vSwitch

On Wed, Nov 30, 2011 at 09:01:55AM -0500, jamal wrote:
>
> Ah yes, them locks. Unless you start doing per-cpu tables
> with lazy synchronization i am not sure how to avoid that.
> Note: last time (time flies) i compared against iptables, the tc flow
> setup/teardown was pretty consistent regardless of table size
> relatively speaking.

iptables sets a pretty low bar :)

For a flow cache I think going per-cpu or at least per-node will
be unavoidable.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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