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Date: Wed, 23 Nov 2011 16:21:21 +0800 From: Herbert Xu <herbert@...dor.apana.org.au> To: Eric Dumazet <eric.dumazet@...il.com> Cc: David Miller <davem@...emloft.net>, jesse@...ira.com, netdev@...r.kernel.org, dev@...nvswitch.org Subject: Re: [GIT PULL v2] Open vSwitch On Wed, Nov 23, 2011 at 09:12:22AM +0100, Eric Dumazet wrote: > > I had no time to look at OVS, but current tc model is not scalable, > everything is performed under a queue lock. > > Maybe its time to redesign a new model, based on modern techniques. Indeed, I pointed this out numerous times over the past few years :) However, this is something that we need to solve regardless of whether OVS is added, since OVS isn't exactly going to replace the packet scheduling layer. > By the way, we seriously lack good documentation on tc, not counting > many features. Code might be there, but without documenation, working > samples, who can use it ? > > Take a look at last cls_flow extension, and try to use it on a real > setup, you'll find its almost not possible... lartc.org is surprisingly good. But yes new features won't show up there unless somebody contributes time to write it up. Unfortunately while many love documentation, few are willing to pay for it. 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 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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