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Message-ID: <1327643984.2919.6.camel@edumazet-laptop>
Date: Fri, 27 Jan 2012 06:59:44 +0100
From: Eric Dumazet <eric.dumazet@...il.com>
To: Joseph Glanville <joseph.glanville@...onvm.com.au>
Cc: David Miller <davem@...emloft.net>, steweg@...t.sk,
jesse@...ira.com, kuznet@....inr.ac.ru, jmorris@...ei.org,
yoshfuji@...ux-ipv6.org, kaber@...sh.net, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [patch v4, kernel version 3.2.1] net/ipv4/ip_gre: Ethernet
multipoint GRE over IP
Le vendredi 27 janvier 2012 à 09:24 +1100, Joseph Glanville a écrit :
> David is correct, the forwarding speed of Open vSwitch is at parity
> with the Linux Bridging module and its tunneling speed is actually
> slightly faster than the in kernel GRE implementation. I have tested
> this across a variety of configurations.
Thanks for this input ! When was this tested exactly, and do you have
some "perf tool" reports to provide ?
GRE is lockless since one year or so (modulo how is setup the tunnel as
discovered recently)
Also please note that openvSwitch is said to be fast path only on
established flows.
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