[openstack-dev] Blueprint Announcement: OVSPlugin Support for Hardware Devices

Satish Mohan satish at aristanetworks.com
Fri Jan 25 23:04:47 UTC 2013

Hi Folks,

We (Arista Networks) have submitted a new blueprint today which adds Quantum/OVSPlugin support for hardware switches.

This blueprint describes a generic python API within the OVS quantum plugin which will enable support for different hardware backends for L2 network segregation (VLANs, tunneling, etc.)

This may be useful for existing data centers with hardware switches which needs to be used along with Openstack infrastructure. In this case a hardware vendor may introduce the OVS plugin extension/driver which will allow using the vendor's hardware within Openstack along with Open vSwitch virtual switches to provide L2 network segregation.

This will allow automatic L2 network provisioning on the hardware devices alongside with the Open vSwitch provisioning in the compute node hypervisors.

We have implemented and successfully tested the API proposed in this blueprint and are providing the source code for an Arista Driver which supports provisioning of Arista TOR (top-of-the-rack) switches alongside with open vswitches. This driver will support the python API proposed in this blueprint to interact with the OVS quantum plugin.

The blueprint is available at:


We will be submitting the code for review at https://review.openstack.org soon, and would love to be considered for inclusion into the Quantum/Grizzly release. 

Appreciate your comments and feedback on the same.


Satish Mohan

Arista Networks
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