[openstack-dev] [neutron][networking-ovn] OVN vs. OpenDayLight

Assaf Muller assaf at redhat.com
Thu Jun 9 21:19:30 UTC 2016


On Thu, Jun 9, 2016 at 5:06 PM, Kyle Mestery <mestery at mestery.com> wrote:
> On Thu, Jun 9, 2016 at 2:11 PM, Assaf Muller <assaf at redhat.com> wrote:
>> On Thu, Jun 9, 2016 at 1:48 PM, Ben Pfaff <blp at ovn.org> wrote:
>>> On Thu, Jun 09, 2016 at 10:28:31AM -0700, rezroo wrote:
>>>> I'm trying to reconcile differences and similarities between OVN and
>>>> OpenDayLight in my head. Can someone help me compare these two technologies
>>>> and explain if they solve the same problem, or if there are fundamental
>>>> differences between them?
>>>
>>> OVN implements network virtualization for clouds of VMs or containers or
>>> a mix.  Open Daylight is a platform for managing networks that can do
>>> anything you want.
>>
>> That is true, but when considering a Neutron backend for OpenStack
>> deployments, people choose a subset of OpenDaylight projects and the
>> end result is a solution that is comparable in scope and feature set.
>> There are objective differences in where the projects are in their
>> lifetime, the HA architecture, the project's consistency model between
>> the neutron-server process and the backend, the development velocity,
>> the community size and the release model.
>>
> Fundamentally, the main difference is that OVN does one thing: It does
> network virtualization. OpenDaylight _MAY_ do network virtualization,
> among other things, and it likely does network virtualization in many
> different ways. Like Ben said:
>
> "Open Daylight is a platform for managing networks that can do
> anything you want."

I agree, but I don't think that was what was asked or makes for an
interesting discussion. I think the obvious comparison is OVN to
ML2/ODL using the ovsdb ODL project.

>
> Thanks,
> Kyle
>
>>>
>>> __________________________________________________________________________
>>> OpenStack Development Mailing List (not for usage questions)
>>> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>
>> __________________________________________________________________________
>> OpenStack Development Mailing List (not for usage questions)
>> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>
> __________________________________________________________________________
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev



More information about the OpenStack-dev mailing list