[ovs-dev] hackathon idea list

Alexandru Copot alex.mihai.c at gmail.com
Tue Apr 1 11:51:19 UTC 2014


On Mar 28, 2014 11:27 PM, "Ben Pfaff" <blp at nicira.com> wrote:
>
> On Fri, Mar 28, 2014 at 09:24:42PM +0200, Alexandru Copot wrote:
> > On Wed, Mar 26, 2014 at 7:11 AM, Ben Pfaff <blp at nicira.com> wrote:
> >
> > > OpenFlow 1.4 Role Status Message
> > > --------------------------------
> > >
> > > OpenFlow 1.4 section 7.4.4 ``Controller Role Status Message''
> > > defines a new message sent by a switch to notify the controller that
> > > its role (whether it is a master or a slave) has changed. OVS should
> > > implement this.
> >
> > The spec mentions at least 2 reasons to send this: when another controller
> > asks for a role change and when the configuration of the switch has changed.
> > For the first one I've done an implementation on the previous hackathon.
> > However, I don't see how can we change the role of a controller locally.
> > The database is updated with the OpenFlow connection state. Do we also
> > need to add an option to do this in reverse ?
>
> OVS doesn't have any configuration of the kind that the spec talks
> about, so there's nothing to do.

Good to know. That was what I was wondering about.

> The database only provide a status report, not a means for changing
> the role.
>
> Are you saying that OVS already implements this?  If so, then I'll
> delete the item from OPENFLOW-1.1+ and from my to-do list.

It seems so. I think I didn't update OPENFLOW-1.1+ because I wasn't
sure the feature was complete.



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