[ovs-discuss] Does OVN support to set traffic routing rules?

[Ben Pfaff]

On Fri, Feb 03, 2017 at 07:52:28PM +0000, Shuaijun Zhang wrote:
> >
> >
> >
> > Message: 2
> > Date: Fri, 3 Feb 2017 09:32:41 -0700
> > From: Scott Lowe <scott.lowe at scottlowe.org>
> > To: ovs-discuss at openvswitch.org
> > Subject: Re: [ovs-discuss] Does OVN support to set traffic routing
> >         rules?
> > Message-ID: <a21431a2-d405-7b9a-b7cb-89b0ddc64ae9 at scottlowe.org>
> > Content-Type: text/plain; charset=utf-8
> >
> > On 02/03/2017 07:10 AM, Shuaijun Zhang wrote:
> > > Hi All,
> > >
> > > With using OVN, we can create the logical switch and logical ports,
> > > these switch and ports are applied to each hosts in the cluster. My
> > > question is that can we use OVN to add traffic flow routing rules,
> > >
> > > for example:
> > > the traffic can go from A directly to C (A->C), but I want the traffic
> > > to go through A->B->C, does OVN have tools to do so?
> >
> >
> > May I ask what you're trying to achieve? If you're looking for some form
> > of service function chaining (i.e., "B" is some sort of VNF), then I
> > believe some others are working on SFC support within OVN. I do not,
> > however, know any of the details or the current status of the work.
> >
> > --
> > Scott
> >
> >
> >
> Yes, the goal is for service chaining. I just found a link below that
> someone has developed patches to support SFC in OVN:
> https://mail.openvswitch.org/pipermail/ovs-dev/2016-November/324909.html
> 
> but I don't find these patches, links in their discuss are dead.
> 
> Does anyone know where are these patches, (I don't find the patches in the
> master branch of ovs?)

John reposted his patch recently:
https://patchwork.ozlabs.org/patch/723325/