[openstack-dev] [Openstack] Quantum vs. Nova-network in Folsom

rohon mathieu mathieu.rohon at gmail.com
Fri Sep 14 09:24:19 UTC 2012


Hi Dan,

I have tried to use LibvirtHybridOVSBridgeDriver but I get some troubles :

https://bugs.launchpad.net/nova/+bug/1050433

Do I miss something?

On Thu, Sep 6, 2012 at 6:29 PM, Dan Wendlandt <dan at nicira.com> wrote:

> On Thu, Sep 6, 2012 at 12:50 AM, rohon mathieu <mathieu.rohon at gmail.com>
> wrote:
> > There is still the security filtering issue
> > (https://blueprints.launchpad.net/quantum/+spec/ovs-security-filtering)
> > which prevent some cloud operator from using OVS.
> >
> > Do you have a workaround to use security group with OVS in folsom?
>
> Yes, it merged into Nova yesterday.
> https://bugs.launchpad.net/quantum/+bug/1039400
>
> We're still working on the new Quantum docs for Folsom, but if you're
> already familiar with using Quantum + Nova, the key difference is that
> you use should a libvirt vif-plugging config of
> LibvirtHybridOVSBridgeDriver, rather than just
> LibvirtOpenVswitchDriver .
>
> Dan
>
>
>
>
>
> >
> > On Wed, Sep 5, 2012 at 7:01 PM, Dan Wendlandt <dan at nicira.com> wrote:
> >>
> >> On Wed, Sep 5, 2012 at 5:23 AM, andi abes <andi.abes at gmail.com> wrote:
> >> > late to the party... but I'll dabble.
> >> >
> >> > On Mon, Aug 27, 2012 at 12:21 PM, Chris Wright <chrisw at sous-sol.org>
> >> > wrote:
> >> >> * Rob_Hirschfeld at Dell.com (Rob_Hirschfeld at Dell.com) wrote:
> >> >>> We've been discussing using Open vSwitch as the basis for
> non-Quantum
> >> >>> Nova Networking deployments in Folsom.  While not Quantum, it feels
> like
> >> >>> we're bringing Nova Networking a step closer to some of the core
> >> >>> technologies that Quantum uses.
> >> >>
> >> >> To what end?
> >> >
> >> > OVS provides much more robust monitoring and operational facilities
> >> > (e.g sFlow monitoring, better switch table visibility etc).
> >>
> >> You won't find any disagreement from me about OVS having more advanced
> >> capabilities :)
> >>
> >> > It also provides a linux-bridge compatibility layer (ovs-brcompatd
> >> > [1]), which should work out-of-box with the linux-bridge. As such,
> >> > switching to using OVS rather than the linux bridge could be done
> >> > without any code changes to nova, just deployment changes (e.g. ensure
> >> > that ovs-brcompatd is running to intercept brctl ioctl's - [2]).
> >>
> >> Using ovs-brcompatd would be possible, though some distros do not
> >> package and run it by default and in general it is not the "preferred"
> >> way to run things according to email on the OVS mailing list.
> >>
> >> >
> >> > For the more adventurous, there could be any number of interesting
> >> > scenarios enabled by having access to ovs capabilities  (e.g.
> >> > tunneling)
> >>
> >> Tunneling is definitely a huge benefit of OVS, but you still need
> >> someone to setup the tunnels and direct packets into them correctly.
> >> That's is exactly what the Quantum OVS plugin does and it is
> >> completely open source and freely available, so if people want to
> >> experiment with OVS tunneling, using Quantum would seem like the
> >> obvious way to do this.
> >>
> >> Dan
> >>
> >>
> >> --
> >> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> Dan Wendlandt
> >> Nicira, Inc: www.nicira.com
> >> twitter: danwendlandt
> >> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >>
> >> _______________________________________________
> >> OpenStack-dev mailing list
> >> OpenStack-dev at lists.openstack.org
> >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >
> >
> >
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> >
>
>
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Dan Wendlandt
> Nicira, Inc: www.nicira.com
> twitter: danwendlandt
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
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