Re: [nvo3] FW: New Version Notification for draft-spallagatti-bfd-vxlan-03.txt

Anoop Ghanwani <anoop@alumni.duke.edu> Mon, 23 May 2016 23:11 UTC

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From: Anoop Ghanwani <anoop@alumni.duke.edu>
To: Gregory Mirsky <gregory.mirsky@ericsson.com>
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Subject: Re: [nvo3] FW: New Version Notification for draft-spallagatti-bfd-vxlan-03.txt
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Thanks Greg.

Perhaps what you meant to say was that the Ethertype in the inner MAC
header must be either IPv4 or IPv6.

Anoop

On Mon, May 23, 2016 at 2:46 PM, Gregory Mirsky <gregory.mirsky@ericsson.com
> wrote:

> Hi Anoop, Larry, Shahram, et. al,
>
> thank you for the correction. We’ll address it in the next update.
>
>
>
>                 Regards,
>
>                                 Greg
>
>
>
> *From:* Rtg-bfd [mailto:rtg-bfd-bounces@ietf.org] *On Behalf Of *Anoop
> Ghanwani
>
> *Sent:* Monday, May 23, 2016 2:35 PM
> *To:* Greg Mirsky
> *Cc:* rtgwg-ooam-dt@ietf.org; rtg-bfd@ietf.org; nvo3@ietf.org
> *Subject:* Re: [nvo3] FW: New Version Notification for
> draft-spallagatti-bfd-vxlan-03.txt
>
>
>
> Hi Greg,
>
>
>
> I think Larry has covered the points I was trying to bring up...if there's
> a MAC header present, then the VXLAN GPE next header has to indicate
> "Ethernet" rather than "IPv4" or "IPv6".
>
>
>
> Thanks,
>
> Anoop
>
>
>
> On Mon, May 23, 2016 at 12:47 PM, Greg Mirsky <gregimirsky@gmail.com>
> wrote:
>
> +BFD WG and RTGWG OOAM DT
>
>
>
> Hi Anoop,
>
> thank you for your review and the question. The scope of this draft is
> only for the VXLAN. The Overlay OAM Desing Team is working on the
> Requirements, Gap Analysis and, if there will be required, enhancements
> and/or new OAM protocols for BIER, NSH, VXLAN-GPE, GENEVE, and GUE, as
> defined in its charter. Would appreciate you review and comments of the two
> documents the OOAM-DT already presented in BA meeting:
>
>    - OOAM Requirements
>    - OAM for Overlay Networks: Gap analysis
>
> In the latter you'll find the example to demonstrate applicability of BFD
> Async mode in BIER domain. As we've discussed, other BFD may be applied to
> other overlay networks that I've listed above even though their method of
> indication OAM payload may be different from BIER. Would you agree, or
> suggest to have another example of BFD?
>
>
>
> Regards, Greg
>
>
>
> On Mon, May 23, 2016 at 12:26 PM, Anoop Ghanwani <anoop@alumni.duke.edu>
> wrote:
>
> Authors,
>
>
>
> In section 4.1, you have this:
>
> >>>
>
>    Next Protocol Field in GPE header MUST be set to IPv4 or IPv6.
>
> ...
>
>    The BFD packet MUST be carried inside the inner MAC frame of the
>
>    VxLAN packet.  The inner MAC frame carrying the BFD payload has the
>
>    following format:
>
> >>>
>
>
>
> These two statements seem to contradict each other.  If the GPE header
> indicates IPv4 or IPv6, then how can the BFD packet be encapsulated within
> a MAC frame?
>
>
>
> Can you please clarify?
>
>
>
> Thanks,
>
> Anoop
>
>
>
>
>
> On Mon, May 23, 2016 at 8:15 AM, Bocci, Matthew (Nokia - GB) <
> matthew.bocci@nokia.com> wrote:
>
> Folks
>
> Please could you direct any discussion on this draft to the NVO3 working
> group list.
>
> Regards
>
> Matthew
>
> On 18/04/2016, 07:54, "nvo3 on behalf of Vengada Prasad Govindan
> (venggovi)" <nvo3-bounces@ietf.org on behalf of venggovi@cisco.com> wrote:
>
> >Hello all,
> >  The authors request comments on the draft below.
> >Thanks
> >Prasad
> >
> >-----Original Message-----
> >From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org]
> >Sent: Saturday, April 16, 2016 11:33 AM
> >To: MALLIK MUDIGONDA (mmudigon) <mmudigon@cisco.com>; Basil Saji
> ><sbasil@juniper.net>; Greg Mirsky <gregory.mirsky@ericsson.com>; Vengada
> >Prasad Govindan (venggovi) <venggovi@cisco.com>; Juniper Networks
> ><santoshpk@juniper.net>; Sudarsan Paragiri <sparagiri@juniper.net>;
> >Santosh Pallagatti <santoshpk@juniper.net>; sajibasil@gmail.com
> ><sbasil@juniper.net>
> >Subject: New Version Notification for draft-spallagatti-bfd-vxlan-03.txt
> >
> >
> >A new version of I-D, draft-spallagatti-bfd-vxlan-03.txt
> >has been successfully submitted by Vengada Prasad Govindan and posted to
> >the IETF repository.
> >
> >Name:          draft-spallagatti-bfd-vxlan
> >Revision:      03
> >Title:         BFD for VXLAN
> >Document date: 2016-04-15
> >Group:         Individual Submission
> >Pages:         9
> >URL:
> >https://www.ietf.org/internet-drafts/draft-spallagatti-bfd-vxlan-03.txt
> >Status:
> >https://datatracker.ietf.org/doc/draft-spallagatti-bfd-vxlan/
> >Htmlized:
> https://tools.ietf.org/html/draft-spallagatti-bfd-vxlan-03
> >Diff:
> >https://www.ietf.org/rfcdiff?url2=draft-spallagatti-bfd-vxlan-03
> >
> >Abstract:
> >   This document describes use of Bidirectional Forwarding Detection
> >   (BFD) protocol for VXLAN .
> >
> >
> >
> >
> >
> >
> >Please note that it may take a couple of minutes from the time of
> >submission until the htmlized version and diff are available at
> >tools.ietf.org.
> >
> >The IETF Secretariat
> >
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> >nvo3@ietf.org
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