Hi, [1] is a doc comparing OVN and ODL for Neutron. I wrote it in March so some info might be stale. Hope this can be useful, comments are welcome!
[1] https://docs.google.com/document/d/13K4Xpdu1IbRJDj5JTepDI4nwUkCDCu7IOnYwHkZtcMA/edit?usp=sharing Thanks, Oleg On Fri, Jun 10, 2016 at 12:28 AM, Kyle Mestery <mest...@mestery.com> wrote: > On Thu, Jun 9, 2016 at 4:19 PM, Assaf Muller <as...@redhat.com> wrote: > > On Thu, Jun 9, 2016 at 5:06 PM, Kyle Mestery <mest...@mestery.com> > wrote: > >> On Thu, Jun 9, 2016 at 2:11 PM, Assaf Muller <as...@redhat.com> wrote: > >>> On Thu, Jun 9, 2016 at 1:48 PM, Ben Pfaff <b...@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. > > > OK, I'll bite. :) > > Fundamentally, a project's focus is absolutely important, especially > when a comparison is asked. When you ask the question: "How can OVN or > ODL solve being a backend layer for Neutron?", for example, the answer > with OVN is simple: You do it this way, and it works. For ODL, the > question is much more nuanced, as it depends on *what* components in > ODL you are using. > > Also, yes, the comparison between "ML2+python agents" vs. "ML2+OVN" is > much more relevant IMHO. > > Thanks! > Kyle > > >> > >> Thanks, > >> Kyle > >> > >>>> > >>>> > __________________________________________________________________________ > >>>> OpenStack Development Mailing List (not for usage questions) > >>>> Unsubscribe: > openstack-dev-requ...@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-requ...@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-requ...@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-requ...@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-requ...@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-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
