I have seen emails suggesting that adding protocols to hypervisor 
implementations is considered to be business as usual.

Yours irrespectively,

John


> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf Of
> Balus, Florin Stelian (Florin)
> Sent: Wednesday, September 19, 2012 11:33 AM
> To: AshwoodsmithPeter
> Cc: Thomas Nadeau; Aldrin Isaac; Stiliadis, Dimitrios (Dimitri);
> NAPIERALA, MARIA H; [email protected]
> Subject: Re: [nvo3] draft-drake-nvo3-evpn-control-plane
> 
> This may be feasible but is it what will get deployed in the hypervisor
> operational environment?
> 
> We need to consider the protocols that garnered acceptance in the cloud
> networking space as well before deciding on which solution to push down
> their throat.
> 
> Florin
> 
> 
> On Sep 19, 2012, at 12:45 PM, "AshwoodsmithPeter"
> <[email protected]> wrote:
> 
> >
> > Presumably its possible to strip down to the bare minimum BGP
> required in the end hosts. Essentially one or a pair of TCP connections
> would be all that is required. A lot of the BGP machinery is not
> required in the end hosts.
> >
> > Also just because its called BGP does not mean it is the same BGP
> instance that is used for the underlay routing. So full decoupling is
> not lost because the same protocol is used for both the underlay and
> the overlay.
> >
> > Peter
> >
> > -----Original Message-----
> > From: [email protected] [mailto:[email protected]] On Behalf
> > Of NAPIERALA, MARIA H
> > Sent: Wednesday, September 19, 2012 1:10 PM
> > To: Stiliadis, Dimitrios (Dimitri); Aldrin Isaac
> > Cc: Thomas Nadeau; [email protected]
> > Subject: Re: [nvo3] draft-drake-nvo3-evpn-control-plane
> >
> >>
> >> Nothing against leveraging BGP. Doing BGP at end-hosts is clearly a
> >> problem.  XMPP is an option, but not the only one.
> >
> > That's right.
> > Some providers are looking for a solution where network
> virtualization forwarding and control functions are fully decoupled,
> and where only the forwarding function (i.e., overlay encapsulation
> function) is implemented on, e.g., the application servers.
> >
> > Maria
> >
> >
> >> Dimitri
> >>
> >> On 9/17/12 12:18 PM, "Aldrin Isaac" <[email protected]> wrote:
> >>
> >>> I'm not sure that the dust has fully settled on the matter.
> >>> http://tools.ietf.org/html/draft-marques-l3vpn-end-system-07
> >>> suggests the use of XMPP.  The question is whether there is any
> >>> sound technical reason (versus preferences) why leveraging BGP is
> >>> problematic.  I personally haven't heard a convincing argument.
> >>>
> >>> On Mon, Sep 17, 2012 at 12:11 PM, Stiliadis, Dimitrios (Dimitri)
> >>> <[email protected]> wrote:
> >>>> May be I missing something here .. but does this suggest running
> >>>> BGP-EVPN on the NVE that is located in the hypervisor?
> >>>>
> >>>> Dimitri
> >>>>
> >>>> On 9/17/12 8:55 AM, "Thomas Nadeau" <[email protected]>
> wrote:
> >>>>
> >>>>>
> >>>>>      A number of us just published this draft and wanted to bring
> >> it
> >>>>> to the
> >>>>> NVO3 WG's attention.  We will be presenting/discussing this draft
> >>>>> at
> >> the
> >>>>> interim meeting this week as well, but please discuss here on the
> >> list
> >>>>> as
> >>>>> well.
> >>>>>
> >>>>>      Thanks,
> >>>>>
> >>>>>      Tom, John, et al
> >>>>>
> >>>>>
> >>>>> A new version of I-D, draft-drake-nvo3-evpn-control-plane-00.txt
> >>>>> has been successfully submitted by Thomas D. Nadeau and posted to
> >> the
> >>>>> IETF repository.
> >>>>>
> >>>>> Filename:       draft-drake-nvo3-evpn-control-plane
> >>>>> Revision:       00
> >>>>> Title:          A Control Plane for Network Virtualized Overlays
> >>>>> Creation date:  2012-09-16
> >>>>> WG ID:          Individual Submission
> >>>>> Number of pages: 12
> >>>>> URL:
> >>>>> http://www.ietf.org/internet-drafts/draft-drake-nvo3-evpn-
> control-
> >> plane-
> >>>>> 00
> >>>>> .txt
> >>>>> Status:
> >>>>> http://datatracker.ietf.org/doc/draft-drake-nvo3-evpn-control-
> plan
> >>>>> e
> >>>>> Htmlized:
> >>>>> http://tools.ietf.org/html/draft-drake-nvo3-evpn-control-plane-00
> >>>>>
> >>>>>
> >>>>> Abstract:
> >>>>>      The purpose of this document is to describe how Ethernet
> >> Virtual
> >>>>>      Private Network (E-VPN) can be used as the control plane for
> >>>>>      Network Virtual Overlays.  Currently this protocol is
> defined
> >> to
> >>>>>      act as the control plane for Virtual Extensible Local Area
> >>>>>      Network (VXLAN), Network Virtualization using Generic
> Routing
> >>>>>      Encapsulation (NVGRE), MPLS or VLANs while maintaining their
> >>>>>      existing data plane encapsulations. The intent is that this
> >>>>>      protocol will be capable of extensions in the future to
> >> handle
> >>>>>      additinal data plane encapsulations and functions as needed.
> >>>>>
> >>>>>
> >>>>> _______________________________________________
> >>>>> nvo3 mailing list
> >>>>> [email protected]
> >>>>> https://www.ietf.org/mailman/listinfo/nvo3
> >>>>
> >>>> _______________________________________________
> >>>> nvo3 mailing list
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> >>
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