Hi Larry,

Very briefly in-line.

On Jul 21, 2016 10:04 PM, "Larry Kreeger (kreeger)" <kree...@cisco.com>
wrote:
>
> Hi Matthew,
>
> See my responses inline below.
>
> Thanks, Larry
>
>
>
> On 7/21/16, 7:56 AM, "nvo3 on behalf of Bocci, Matthew (Nokia - GB)"
> <nvo3-boun...@ietf.org on behalf of matthew.bo...@nokia.com> wrote:
>
> >WG
> >
> >There was a discussion in the NVO3 WG meeting in Berlin following strong
> >advice from our Area Director that we need to come to a consensus on
> >converging on a common encapsulation. Two sets of questions were asked:
> >(1) Should the WG move forward with one standards track encap?
> >(2) For a given encap, do you have significant technical objections?
> >
> >This email relates to the second of these questions. Please refer to the
> >separate email titled ³Consensus call on moving forward with single
> >encap² for discussion related to point (1).
>
> I am sorry I missed the meeting.  Was the room polled for the option to
> move forward with more than one encap?  I am interested in knowing the
> response to that question since on the list, that option appeared to have
> much more traction.  If the room was not polled for that option or for a
> choice between the options discussed on the list, then we have
> incomplete/misleading results for how to move forward.

Yes, of course the question was asked.   There was,  as I recall, almost no
one in favor.

I would recommend watching/listening to the recording to get a feel of the
discussion.   Of course, there should be minutes out,  but not quite as
quickly.

Regards,
Alia

>
> >
> >We would recommend that those not familiar with RFC 7282 "On Consensus
> >and Humming in the IETF" may wish to read it for a fuller understanding
> >of how the IETF handles challenging consensus decisions and why.
> >
> >We would like to determine the consensus on the following points on the
> >list (there is a separate thread concerning point (2)):
> >
> >1) Does anyone have a significant technical objection to selecting Geneve
> >as the single NVO3 Standards track document?  Please be as concrete and
> >detailed as possible as to your technical objection.
>
> Yes, I would strongly object to this being the only option.
> There are applications where both encap/decap and deep packet inspection
> of NVO3 encapsulated packets requires extremely low latency and low
> jitter.  The variable nature of the Geneve header makes meeting these
> requirements extremely challenging and/or costly (in terms of the number
> of gates needed) to implement in hardware.
>
> Additionally, Geneve does not have any backward compatibility mechanisms
> for VXLAN support.  Arguably, VXLAN is the most widely implemented and
> deployed NVO3 protocol in data centers today, so this is an important
> consideration.
>
>
> >
> >2) Does anyone have a significant technical objection to selecting
> >VXLAN-GPE as the single NVO3 Standards track document?  Please be as
> >concrete and detailed as possible as to your technical objection.
> >
> >3)Does anyone have a significant technical objection to selecting GUE as
> >the single NVO3 Standards track document?  Please be as concrete and
> >detailed as possible as to your technical objection.
>
> My major objection to GUE being the only option is the lack of backward
> compatibility with VXLAN (see above).  I am also concerned about how much
> actual industry implementation GUE has in both software and hardware.
>
>
> >
> >
> >Please reply to this email thread on the NVO3 list by 29th July 2016.
> >
> >Please DO NOT use this thread to argue or debate the importance or
> >details of any technical objections that arise.  That can be done in
> >other threads. This thread should be used to state your initial
> >objection. Any objections raised will be summarized in an additional
> >email at the end of this consensus call so that the WG can discuss the
> >results in detail.
> >
> >While the list of technical issues has been collected for each
> >encapsulation, the chairs are discussing how to develop an acceptable
> >solution.   The goal is to have an answer before IETF 97.  The chairs
> >will follow up to the list shortly.
> >
> >Regards
> >
> >Matthew and Sam
> >
> >
>
> _______________________________________________
> nvo3 mailing list
> nvo3@ietf.org
> https://www.ietf.org/mailman/listinfo/nvo3
_______________________________________________
nvo3 mailing list
nvo3@ietf.org
https://www.ietf.org/mailman/listinfo/nvo3

Reply via email to