[ovs-dev] [PATCH 0/3] auto-attach: Add support for IETF Auto Attach standard

Ben Pfaff blp at nicira.com
Tue Oct 14 14:42:17 UTC 2014


Does support for PBB make support for AAC unnecessary?  The cited
Internet draft says that it is for devices that "typically do not
support SPBM, MAC-in-MAC (802.1ah), nor I-SID usage".

On Tue, Oct 14, 2014 at 12:41:53PM +0000, Flynn, Dennis R (Dennis) wrote:
> Our initial goal is to make OVS an auto attach client.
> 
> We are watching with great interest the progress of the recently submitted 802.1ah (PBB) patch.
> PBB is the datapath on top of which the SPB control plane is layered and thus could lay the groundwork for adding auto attach server support to OVS.
> 
> Auto attach also defines the notion of an auto attach proxy which aggregates auto attach clients.
> This could be the logical next step for auto attach within OVS.
> 
> Regards,
> Dennis
> 
> 
> 
> 
> 
> -----Original Message-----
> From: dev [mailto:dev-bounces at openvswitch.org] On Behalf Of Ben Pfaff
> Sent: Monday, October 13, 2014 6:15 PM
> To: Ludovic Beliveau
> Cc: dev at openvswitch.org
> Subject: Re: [ovs-dev] [PATCH 0/3] auto-attach: Add support for IETF Auto Attach standard
> 
> On Thu, Oct 02, 2014 at 06:42:10PM -0400, Ludovic Beliveau wrote:
> > This patch sequence provides OVS support for the IETF Auto-Attach SPBM 
> > draft standard. This standard describes a compact method of using IEEE 
> > 802.1AB Link Layer Discovery Protocol (LLDP) together with a IEEE 
> > 802.1aq Shortest Path Bridging (SPB) network to automatically attach 
> > network devices to individual services in a SPB network.  The intent 
> > here is to allow network applications and devices using OVS to be able 
> > to easily take advantage of features offered by industry standard SPB 
> > networks.  Details of the Auto-Attach standard can be found here.
> > 
> > http://tools.ietf.org/html/draft-unbehagen-lldp-spb-00
> > 
> > We have modified the OVS source code to integrate basic LLDP protocol 
> > support as required to implement Auto-Attach (AA).  We modeled our 
> > LLDP code changes after other protocols currently supported by OVS 
> > (BFD, CFM, etc.).  We have chosen to base this OVS LLDP work on the 
> > open source LLDPD project headed by Vincent Bernat.  Details of the LLDPD project can be found here.
> 
> Is the goal to make OVS into an auto-attach client or server or both?
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