Kireeti > [...] I would change is the draft name: I prefer "...-nvo3-l2-
Kireeti > in-l3-control-plane".  

I have the same comment. The document describes control plane for layer 2 
overlays (i.e., for transporting MAC/ethernet headers for IP packets). 
Throughout the document when "network virtualization overlay" is used it should 
be clarified that it is a layer 2 overlay.

Maria


> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf Of
> Kireeti Kompella
> Sent: Monday, September 17, 2012 9:18 PM
> To: Lucy yong
> Cc: [email protected]
> Subject: Re: [nvo3] draft-drake-nvo3-evpn-control-plane
> 
> Hi Lucy,
> 
> On Sep 17, 2012, at 3:36 PM, Lucy yong <[email protected]> wrote:
> 
> > Read this draft.
> >
> > RFC5512 applies a case where two BGP speakers are in a BGP free core.
> Using encapsulation tunnel between two speakers enables one speaker to
> send a packet to another speaker as the next-hop.
> >
> > Using this approach in nvo3 may rise a high scalability concern
> because any pair of NVEs in an NVO will need to maintain a state for
> the tunnel encapsulation.
> 
> They would have to in any case.  The tunnel encap is a couple of bits;
> the "tenant id" is also needed.
> 
> > If some NVEs support VXLAN and some support NVGRE, to build mcast
> tree for BUM, it has to build two distinct sub-trees for each, which is
> more complex.
> >
> >   "This memo specifies that an egress PE must use the sender MAC
> >   address to determine whether to send a received Broadcast or
> >   Multicast packet to a given Ethernet Segment.  I.e., if the sender
> >   MAC address is associated with a given Ethernet Segment, the egress
> >   PE must not send the packet to that Ethernet Segment."
> >
> > Does it mean using BGP to exchange NVE MAC address that belong to an
> Ethernet segment first? How does this impact other evpn features?
> 
> Yes to the first question; not at all (imo) to the second.
> 
> > This needs to be cooked more.
> 
> I think it's pretty well cooked, although I must confess a predilection
> for sushi.  In effect, these very capable authors saved me the trouble
> of writing pretty much the same draft :-)
> 
> The only thing I would change is the draft name: I prefer "...-nvo3-l2-
> in-l3-control-plane".  Oh, and add a code point for STT :-)
> 
> Kireeti
> 
> > Cheers,
> > Lucy
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: [email protected] [mailto:[email protected]] On Behalf
> Of Aldrin Isaac
> > Sent: Monday, September 17, 2012 2:18 PM
> > To: Stiliadis, Dimitrios (Dimitri)
> > Cc: Thomas Nadeau; [email protected]
> > Subject: Re: [nvo3] draft-drake-nvo3-evpn-control-plane
> >
> > 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-plane
> >>> 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
> >>
> >> _______________________________________________
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