[ovs-dev] Hitless resynchronisation of forwarding state

Jarno Rajahalme jarno at ovn.org
Tue Jan 26 18:47:50 UTC 2016


> On Jan 25, 2016, at 12:40 PM, Ben Pfaff <blp at ovn.org> wrote:
> 
> On Mon, Jan 25, 2016 at 11:24:18AM -0800, Jarno Rajahalme wrote:
>>> On Jan 25, 2016, at 2:40 AM, Jan Scheurich <jan.scheurich at ericsson.com> wrote:
>>> 1. OpenFlow bundle depends on OF 1.4. Not many controllers support
>>> OF 1.4 and its bundle mechanism yet. Our proposal has no such
>>> dependency.
>> 
>> Any new extension needs new controller support. Also, it should not be
>> hard to make bundles available on earlier OpenFlow versions as an
>> extension, if that is desirable. At least there would be a path for
>> getting rid of the extension by (eventually) moving to OpenFlow 1.4.
> 
> Also, there's an official ONF extension that adds bundle support to
> OF1.3.  It probably wouldn't be hard to support it in OVS, though I have
> not looked.

It it ONF extension 230, available here:

https://www.opennetworking.org/images/stories/downloads/sdn-resources/onf-specifications/openflow/openflow-extensions-1.3.x-pack2.zip <https://www.opennetworking.org/images/stories/downloads/sdn-resources/onf-specifications/openflow/openflow-extensions-1.3.x-pack2.zip>

  Jarno




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