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List:       openvswitch-discuss
Subject:    [ovs-discuss] vswitch simulator for control plane scalability testing
From:       blp () nicira ! com (Ben Pfaff)
Date:       2014-04-28 16:04:54
Message-ID: 20140428160454.GA7193 () nicira ! com
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On Mon, Apr 28, 2014 at 03:34:18PM +0000, Zhou, Han wrote:
> We want to setup an environment for large scale SDN simulation, to verify control \
> plane scalability. For example thousands of vswitches need to be simulated on top \
> of limited number of physical machines (e.g. 10). Each vswitch needs to support \
> OVSDB and OpenFlow connections to controller. Even if installing OVS on VMs is not \
> enough to achieve the scale. 
> An idea is not using real OVS but instead simulating multiple OVSDB+OpenFlow \
> instances on a single VM. Is this idea realistic based on Open vSwitch \
> implementation? Any suggestions?

Sure.  This is no problem at all.  Just run multiple processes
sandboxed separately with different OVS_* environment variables.  We
do this routinely in the OVS unit tests.


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