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I've not done any test on AWS yet.

But it seems that a simple optimization could be introduced for huge improvement: add a config item to let l3 agent remove all arp entry rpc, and reuse arp response by l2pop (if the admin choose to enable it)

________________________________________
From: Jay Pipes [jaypipes at gmail.com]
Sent: Tuesday, February 23, 2016 10:51 PM
To: openstack-dev at lists.openstack.org
Subject: Re: [openstack-dev] [Neutron] - DVR L3 data plane performance results and scenarios

On 02/22/2016 10:25 PM, Wuhongning wrote:
> Hi all,
>
> There is also a control plane performance issue when we try to catch on
> the spec of typical AWS limit (200 subnets per router). When a router
> with 200 subnets is scheduled on a new host, a 30s delay is watched when
> all data plane setup is finished.

How quickly does AWS do the same setup?

Best,
-jay

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