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Subject: =?utf-8?Q?Re=3A_Mirja_K=C3=BChlewind=27s_Discuss_on_draft-ietf-bf?= =?utf-8?Q?d-multipoint-18=3A_=28with_DISCUSS=29?=
From: "Mirja Kuehlewind (IETF)" <ietf@kuehlewind.net>
In-Reply-To: <20180711001329.GF12853@pfrc.org>
Date: Wed, 1 Aug 2018 13:32:58 +0200
Cc: Greg Mirsky <gregimirsky@gmail.com>, Reshad Rahman <rrahman@cisco.com>, draft-ietf-bfd-multipoint@ietf.org, rtg-bfd@ietf.org, The IESG <iesg@ietf.org>, bfd-chairs@ietf.org
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To: Jeffrey Haas <jhaas@pfrc.org>
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Hi Jeff,

sorry for the very late reply. Please see below.

> Am 11.07.2018 um 02:13 schrieb Jeffrey Haas <jhaas@pfrc.org>:
>=20
> Mirja,
>=20
> On Mon, Jul 09, 2018 at 04:01:22PM +0200, Mirja Kuehlewind (IETF) =
wrote:
>>> Am 05.07.2018 um 21:27 schrieb Greg Mirsky <gregimirsky@gmail.com>:
>>> GIM>> I believe that such limit will negatively impact applicability =
of this method to detect defects in networks. Analysis of BFD =
transmission intervals provided in RFC 7419. The conclusion was:
>>>   This document defines the set of Common Interval values to be: 3.3
>>>   msec, 10 msec, 20 msec, 50 msec, 100 msec, and 1 sec.
>>> I believe that systems that intended to use mpBFD should use RFC =
7419 as guidance.
>>> Also, consider two proposals to use mpBFD in VRRP and PIM-SM that =
been discussed by RTGWG and PIM WGs. The goal is to ensure sub-second =
detection of head's failure by tails - Master in case of VRRP, DR in =
PIM-SM case.
>>=20
>> I understand that this makes failure detection harder, however, the =
BFD base spec has a feedback mechanism that can be used to limit the =
rate, e.g. if the receiver is overloaded. This is not the case for =
multipoint BFD and therefore a higher interval than 1 sec is not =
permitted by the BFD base spec.
>=20
> Let me pose the issue a different way:=20
> What is the general text the IESG wants out of multicast senders (ASM,
> SSM, e.g.) with potentially passive receivers to avoid such overload?

The IETF=E2=80=99s recommendation for this case in RFC8085 section 4  =
which refers to section 3.1.3 for your use case respectively. Section =
3.1.1 recommends to not send more then one package per 3 sec. The BFD =
base spec already has a lower limit of 1 sec. Given this is a BFD =
extension this is the specified limit this spec needs to align to. If =
you want to send at a higher rate, RFC8085 recommend to implement some =
kind of congestion control.

>=20
>> However, even if you update/remove the restriction, you would still =
need to specify additional safety measures to ensure that no BFD packets =
overflow the whole network or leak to other networks, as there is not =
feedback what clearly indicated that there is a receiver listing at the =
other end.=20
>=20
> What is the text the IESG wants out of multicast signaling protocols =
and
> senders  to avoid this concern?

You would need to add some kind of congestion control/feedback multicast =
receiver to the sender to reduce the rate or determinate the connection =
to the congested receiver (circuit breaker).

>=20
>>> 3) Also given the traffic load multipoint BFD generates depends on =
the number
>>> of active session, and there is no feedback mechanism, I recommend =
to also
>>> limit the number of active session of MultipointHead type to a small =
number
>>> (per link).
>>> GIM>> Perhaps we can recomend limit the overall number of active =
sessions so that distribution can be decided by implementation and =
operator. I think that text suggested by Martin clearly communicates =
such recomendation to be added to the list in the Security =
Considerations section:
>>>      The implementation should have a reasonable upper bound on the
>>>      number of MultipointHead sessions that can be created, with the
>>>      upper bound potentially being computed based on the load these
>>>      would generate.=20
>>=20
>> More guidance is needed to specify what =E2=80=9Ereasonable=E2=80=9C =
means here.=20
>=20
> What is the text the IESG wants out of multicast signaling protocols =
to
> restrict the numbers of joins to either a source in source-specific
> protocols, or to rendezvous points in such mechanisms?

The spec could specify a default value and explain when this default =
value is applicable or in which scenarios the default may be changed =
based on the given network conditions.

Mirja




>=20
> -- Jeff


From nobody Wed Aug  1 14:28:30 2018
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From: "Reshad Rahman (rrahman)" <rrahman@cisco.com>
To: PFFC JHAAS <jhaas@pfrc.org>, Benjamin Kaduk <kaduk@mit.edu>
CC: "Acee Lindem (acee)" <acee@cisco.com>, "rtg-bfd@ietf.org" <rtg-bfd@ietf.org>, "draft-ietf-bfd-yang@ietf.org" <draft-ietf-bfd-yang@ietf.org>, The IESG <iesg@ietf.org>, "bfd-chairs@ietf.org" <bfd-chairs@ietf.org>
Subject: Re: Benjamin Kaduk's Discuss on draft-ietf-bfd-yang-16: (with DISCUSS and COMMENT)
Thread-Topic: Benjamin Kaduk's Discuss on draft-ietf-bfd-yang-16: (with DISCUSS and COMMENT)
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Date: Wed, 1 Aug 2018 21:28:24 +0000
Message-ID: <9E1C80C5-E890-4069-875E-CB8DD217C6CF@cisco.com>
References: <20180710234621.GD12853@pfrc.org> <DBDBAFD1-8280-4389-B7F9-08785FC01BF8@cisco.com> <650FCD2E-A555-447A-A7AA-87D67B4E2BDE@cisco.com> <D4C67FBF-10C0-4F22-B8C6-1D9DD9CFE7B0@cisco.com> <EB68C226-A9F7-4254-97D8-042FB6FB6DFF@cisco.com> <B14B0368-0795-4163-8A6D-A4D03B4568A1@pfrc.org> <20180711150238.GT59001@kduck.kaduk.org> <20180711153217.GO12853@pfrc.org> <20180715130447.GU59001@mit.edu> <A0093463-AE48-472D-BC40-A72087BFD37C@cisco.com> <20180730144138.GG79679@kduck.kaduk.org> <016ED101-53A8-4E83-89B1-A2ACB619261A@pfrc.org>
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From nobody Thu Aug  2 06:47:03 2018
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Subject: I-D Action: draft-ietf-bfd-yang-17.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Bidirectional Forwarding Detection WG of the IETF.

        Title           : YANG Data Model for Bidirectional Forwarding Detection (BFD)
        Authors         : Reshad Rahman
                          Lianshu Zheng
                          Mahesh Jethanandani
                          Santosh Pallagatti
                          Greg Mirsky
	Filename        : draft-ietf-bfd-yang-17.txt
	Pages           : 79
	Date            : 2018-08-02

Abstract:
   This document defines a YANG data model that can be used to configure
   and manage Bidirectional Forwarding Detection (BFD).

   The YANG modules in this document conform to the Network Management
   Datastore Architecture (NMDA).


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bfd-yang/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-bfd-yang-17
https://datatracker.ietf.org/doc/html/draft-ietf-bfd-yang-17

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bfd-yang-17


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.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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From: "Reshad Rahman (rrahman)" <rrahman@cisco.com>
To: PFFC JHAAS <jhaas@pfrc.org>, Benjamin Kaduk <kaduk@mit.edu>
CC: "Acee Lindem (acee)" <acee@cisco.com>, "rtg-bfd@ietf.org" <rtg-bfd@ietf.org>, "draft-ietf-bfd-yang@ietf.org" <draft-ietf-bfd-yang@ietf.org>, The IESG <iesg@ietf.org>, "bfd-chairs@ietf.org" <bfd-chairs@ietf.org>
Subject: Re: Benjamin Kaduk's Discuss on draft-ietf-bfd-yang-16: (with DISCUSS and COMMENT)
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--_002_E3BF363750F341539E7C384A3F5D7651ciscocom_
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To: Mahesh Jethanandani <mjethanandani@gmail.com>, Reshad Rahman
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A new version of I-D, draft-ietf-bfd-yang-17.txt
has been successfully submitted by Reshad Rahman and posted to the
IETF repository.

Name:		draft-ietf-bfd-yang
Revision:	17
Title:		YANG Data Model for Bidirectional Forwarding Detection (BFD)
Document date:	2018-08-01
Group:		bfd
Pages:		79
URL:            https://www.ietf.org/internet-drafts/draft-ietf-bfd-yang-17.txt
Status:         https://datatracker.ietf.org/doc/draft-ietf-bfd-yang/
Htmlized:       https://tools.ietf.org/html/draft-ietf-bfd-yang-17
Htmlized:       https://datatracker.ietf.org/doc/html/draft-ietf-bfd-yang
Diff:           https://www.ietf.org/rfcdiff?url2=draft-ietf-bfd-yang-17

Abstract:
   This document defines a YANG data model that can be used to configure
   and manage Bidirectional Forwarding Detection (BFD).

   The YANG modules in this document conform to the Network Management
   Datastore Architecture (NMDA).

                                                                                  


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The IETF Secretariat



--_002_E3BF363750F341539E7C384A3F5D7651ciscocom_--


From nobody Thu Aug  2 18:18:39 2018
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Subject: Benjamin Kaduk's No Objection on draft-ietf-bfd-yang-17: (with COMMENT)
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Benjamin Kaduk has entered the following ballot position for
draft-ietf-bfd-yang-17: No Objection

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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Thank you for your patience and continued discussion as we worked to resolve my DISCUSS point!



From nobody Mon Aug  6 08:26:10 2018
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Subject: I-D Action: draft-ietf-bfd-vxlan-01.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Bidirectional Forwarding Detection WG of the IETF.

        Title           : BFD for VXLAN
        Authors         : Santosh Pallagatti
                          Sudarsan Paragiri
                          Vengada Prasad Govindan
                          Mallik Mudigonda
                          Greg Mirsky
	Filename        : draft-ietf-bfd-vxlan-01.txt
	Pages           : 10
	Date            : 2018-08-06

Abstract:
   This document describes the use of Bidirectional Forwarding Detection
   (BFD) protocol in Virtual eXtensible Local Area Network (VXLAN)
   overlay network.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bfd-vxlan/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-bfd-vxlan-01
https://datatracker.ietf.org/doc/html/draft-ietf-bfd-vxlan-01

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bfd-vxlan-01


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From nobody Mon Aug  6 08:31:15 2018
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--0000000000004e012a0572c5f7e7
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Dear All,
updates include:

   - author's affiliation;
   - minor editorial fixes;
   - grammar nits.

Regards,
Greg

---------- Forwarded message ----------
From: <internet-drafts@ietf.org>
Date: Mon, Aug 6, 2018 at 8:26 AM
Subject: New Version Notification for draft-ietf-bfd-vxlan-01.txt
To: Gregory Mirsky <gregimirsky@gmail.com>, Mallik Mudigonda <
mmudigon@cisco.com>, Sudarsan Paragiri <sparagiri@juniper.net>, Vengada
Prasad Govindan <venggovi@cisco.com>, Santosh Pallagatti <
santosh.pallagatti@gmail.com>



A new version of I-D, draft-ietf-bfd-vxlan-01.txt
has been successfully submitted by Greg Mirsky and posted to the
IETF repository.

Name:           draft-ietf-bfd-vxlan
Revision:       01
Title:          BFD for VXLAN
Document date:  2018-08-06
Group:          bfd
Pages:          10
URL:            https://www.ietf.org/internet-drafts/draft-ietf-bfd-vxlan-01
.txt
Status:         https://datatracker.ietf.org/doc/draft-ietf-bfd-vxlan/
Htmlized:       https://tools.ietf.org/html/draft-ietf-bfd-vxlan-01
Htmlized:       https://datatracker.ietf.org/doc/html/draft-ietf-bfd-vxlan
Diff:           https://www.ietf.org/rfcdiff?url2=draft-ietf-bfd-vxlan-01

Abstract:
   This document describes the use of Bidirectional Forwarding Detection
   (BFD) protocol in Virtual eXtensible Local Area Network (VXLAN)
   overlay network.




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

--0000000000004e012a0572c5f7e7
Content-Type: text/html; charset="UTF-8"
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<div dir=3D"ltr">Dear All,<div>updates include:</div><div><ul><li>author&#3=
9;s affiliation;</li><li>minor editorial fixes;</li><li>grammar nits.</li><=
/ul><div>Regards,</div><div>Greg</div><div><br></div><div class=3D"gmail_qu=
ote">---------- Forwarded message ----------<br>From: <b class=3D"gmail_sen=
dername"></b> <span dir=3D"ltr">&lt;<a href=3D"mailto:internet-drafts@ietf.=
org" target=3D"_blank">internet-drafts@ietf.org</a>&gt;</span><br>Date: Mon=
, Aug 6, 2018 at 8:26 AM<br>Subject: New Version Notification for draft-iet=
f-bfd-vxlan-01.txt<br>To: Gregory Mirsky &lt;<a href=3D"mailto:gregimirsky@=
gmail.com" target=3D"_blank">gregimirsky@gmail.com</a>&gt;, Mallik Mudigond=
a &lt;<a href=3D"mailto:mmudigon@cisco.com" target=3D"_blank">mmudigon@cisc=
o.com</a>&gt;, Sudarsan Paragiri &lt;<a href=3D"mailto:sparagiri@juniper.ne=
t" target=3D"_blank">sparagiri@juniper.net</a>&gt;, Vengada Prasad Govindan=
 &lt;<a href=3D"mailto:venggovi@cisco.com" target=3D"_blank">venggovi@cisco=
.com</a>&gt;, Santosh Pallagatti &lt;<a href=3D"mailto:santosh.pallagatti@g=
mail.com" target=3D"_blank">santosh.pallagatti@gmail.com</a>&gt;<br><br><br=
><br>
A new version of I-D, draft-ietf-bfd-vxlan-01.txt<br>
has been successfully submitted by Greg Mirsky and posted to the<br>
IETF repository.<br>
<br>
Name:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-ietf-bfd-vxlan<br>
Revision:=C2=A0 =C2=A0 =C2=A0 =C2=A001<br>
Title:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 BFD for VXLAN<br>
Document date:=C2=A0 2018-08-06<br>
Group:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 bfd<br>
Pages:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 10<br>
URL:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https://www.ietf.o=
rg/internet-drafts/draft-ietf-bfd-vxlan-01.txt" rel=3D"noreferrer" target=
=3D"_blank">https://www.ietf.org/internet-<wbr>drafts/draft-ietf-bfd-vxlan-=
01<wbr>.txt</a><br>
Status:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.iet=
f.org/doc/draft-ietf-bfd-vxlan/" rel=3D"noreferrer" target=3D"_blank">https=
://datatracker.ietf.org/<wbr>doc/draft-ietf-bfd-vxlan/</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/=
draft-ietf-bfd-vxlan-01" rel=3D"noreferrer" target=3D"_blank">https://tools=
.ietf.org/html/d<wbr>raft-ietf-bfd-vxlan-01</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.ietf.org=
/doc/html/draft-ietf-bfd-vxlan" rel=3D"noreferrer" target=3D"_blank">https:=
//datatracker.ietf.org/<wbr>doc/html/draft-ietf-bfd-vxlan</a><br>
Diff:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.o=
rg/rfcdiff?url2=3Ddraft-ietf-bfd-vxlan-01" rel=3D"noreferrer" target=3D"_bl=
ank">https://www.ietf.org/rfcdiff?<wbr>url2=3Ddraft-ietf-bfd-vxlan-01</a><b=
r>
<br>
Abstract:<br>
=C2=A0 =C2=A0This document describes the use of Bidirectional Forwarding De=
tection<br>
=C2=A0 =C2=A0(BFD) protocol in Virtual eXtensible Local Area Network (VXLAN=
)<br>
=C2=A0 =C2=A0overlay network.<br>
<br>
<br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org" rel=3D"noreferrer" target=3D"_blank">tools.ietf.org</a>.<br>
<br>
The IETF Secretariat<br>
<br>
</div><br></div></div>

--0000000000004e012a0572c5f7e7--


From nobody Mon Aug  6 08:57:06 2018
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From: The IESG <iesg-secretary@ietf.org>
To: "IETF-Announce" <ietf-announce@ietf.org>
Subject: Protocol Action: 'YANG Data Model for Bidirectional Forwarding Detection (BFD)' to Proposed Standard (draft-ietf-bfd-yang-17.txt)
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The IESG has approved the following document:
- 'YANG Data Model for Bidirectional Forwarding Detection (BFD)'
  (draft-ietf-bfd-yang-17.txt) as Proposed Standard

This document is the product of the Bidirectional Forwarding Detection
Working Group.

The IESG contact persons are Alvaro Retana, Deborah Brungard and Martin
Vigoureux.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-bfd-yang/





Technical Summary

   This document defines a YANG data model that can be used to configure
   and manage Bidirectional Forwarding Detection (BFD).

   The YANG modules in this document conform to the Network Management
   Datastore Architecture (NMDA).

Working Group Summary

   This document went through multiple reviews within the working group over
   the course of its development.  Similar to other Yang modules that are
   intended to interwork with other modules, multiple revisions were required
   as part of changing IETF Yang module structures such as NMDA.  Additional
   review passes were done to ensure that modules were able to properly use BFD
   as a client mechanism.

   The current document represents a proper management framework for the most
   commonly deployed BFD profiles covered in the BFD RFCs.  Care was taken to
   ensure that as further work is done on the BFD protocol that the modules
   could be cleanly extended and maintained.

Document Quality

   There are currently no known implementations of this Yang module.
   Expert review was requested from the Yang Doctors, the Security Directorate,
   and the Routing Directorate.  All feedback was incorporated into this
   document prior to submission to the IESG.

Personnel

   Document Shepherd - Jeffrey Haas
   Responsible Area Director - Martin Vigoureux


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From: Donald Eastlake <d3e3e3@gmail.com>
Date: Fri, 17 Aug 2018 12:20:03 -0400
Message-ID: <CAF4+nEE1OnXE-xhZ5C8TWZ1VRu7__3zqpj-w+7thx6w1HQh3dQ@mail.gmail.com>
Subject: Comments on draft-ietf-bfd-vxlan-01
To: rtg-bfd WG <rtg-bfd@ietf.org>
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Hi,

I have reviewed this draft and have two main suggestions:

There appears to be some conflict between the 2nd paragraph of Section
1 and the 4th paragraph. Paragraph 2 talks about layer 2 and 3
underlay while the 4th paragraph implies only layer 3.

Also, I recommend that a request (template, RFC 7042) for assignment
of a MAC address as mentioned in the IANA Considerations section be
submitted now or at least soon. A single MAC address is cheap and
requires only Expert approval which I think would be forthcoming.

I have additional minor editorial suggestions I have sent directly to
the authors.

Preferably with my suggestions incorporated :-) I think this draft is
ready for WG Last Call.

Thanks,
Donald
===============================
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 1424 Pro Shop Court, Davenport, FL 33896 USA
 d3e3e3@gmail.com


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From: Donald Eastlake <d3e3e3@gmail.com>
Date: Sat, 18 Aug 2018 02:58:16 -0400
Message-ID: <CAF4+nEHUg8d9eNyWfNbpNEUrkct=Q8E7aPwXQX7gVguUV6B5Ug@mail.gmail.com>
Subject: Re: Comments on draft-ietf-bfd-vxlan-01
To: Greg Mirsky <gregimirsky@gmail.com>
Cc: rtg-bfd WG <rtg-bfd@ietf.org>
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Looks good to me.

Thanks,
Donald
===============================
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 1424 Pro Shop Court, Davenport, FL 33896 USA
 d3e3e3@gmail.com

On Fri, Aug 17, 2018 at 6:49 PM, Greg Mirsky <gregimirsky@gmail.com> wrote:
> Hi Donald,
> thank you for the thorough review, the most detailed and pointed comments
> (received the editorial comments already).
> I'd like to propose an update to the 2nd paragraph (see below in-line). Hope
> it addresses your concern.
>
> All the editorial suggestions have been accepted and updates applied
> accordingly.
>
> Attached please find the diff with the new working version of the draft.
>
> Best regards,
> Greg
>
>
> On Fri, Aug 17, 2018 at 9:20 AM, Donald Eastlake <d3e3e3@gmail.com> wrote:
>>
>> Hi,
>>
>> I have reviewed this draft and have two main suggestions:
>>
>> There appears to be some conflict between the 2nd paragraph of Section
>> 1 and the 4th paragraph. Paragraph 2 talks about layer 2 and 3
>> underlay while the 4th paragraph implies only layer 3.
>
> OLD TEXT:
>   The VXLAN segments/overlay
>    networks are overlaid on top of these Layer 2 or Layer 3 networks.
> NEW TEXT:
>    The VXLAN segments/overlays
>    are overlaid on top of Layer 3 network.
>
>>
>> Also, I recommend that a request (template, RFC 7042) for assignment
>> of a MAC address as mentioned in the IANA Considerations section be
>> submitted now or at least soon. A single MAC address is cheap and
>> requires only Expert approval which I think would be forthcoming.
>>
>> I have additional minor editorial suggestions I have sent directly to
>> the authors.
>>
>> Preferably with my suggestions incorporated :-) I think this draft is
>> ready for WG Last Call.
>>
>> Thanks,
>> Donald
>> ===============================
>>  Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
>>  1424 Pro Shop Court, Davenport, FL 33896 USA
>>  d3e3e3@gmail.com


From nobody Sat Aug 18 13:09:46 2018
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Bidirectional Forwarding Detection WG of the IETF.

        Title           : BFD for VXLAN
        Authors         : Santosh Pallagatti
                          Sudarsan Paragiri
                          Vengada Prasad Govindan
                          Mallik Mudigonda
                          Greg Mirsky
	Filename        : draft-ietf-bfd-vxlan-02.txt
	Pages           : 10
	Date            : 2018-08-18

Abstract:
   This document describes the use of the Bidirectional Forwarding
   Detection (BFD) protocol in Virtual eXtensible Local Area Network
   (VXLAN) overlay networks.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bfd-vxlan/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-bfd-vxlan-02
https://datatracker.ietf.org/doc/html/draft-ietf-bfd-vxlan-02

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bfd-vxlan-02


Please note that it may take a couple of minutes from the time of submission
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From: Greg Mirsky <gregimirsky@gmail.com>
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--00000000000081a00d0573bbe1d5
Content-Type: text/plain; charset="UTF-8"

Dear All,
the new version addresses comments and editorial suggestions we've received
from Donald.

Your reviews are most welcome, comments, questions, and suggestions much
appreciated.

As discussed at the meeting in Montreal, the authors believe that this
document is ready for WGLC.

Regards,
Greg

---------- Forwarded message ----------
From: <internet-drafts@ietf.org>
Date: Sat, Aug 18, 2018 at 1:09 PM
Subject: I-D Action: draft-ietf-bfd-vxlan-02.txt
To: i-d-announce@ietf.org
Cc: rtg-bfd@ietf.org



A New Internet-Draft is available from the on-line Internet-Drafts
directories.
This draft is a work item of the Bidirectional Forwarding Detection WG of
the IETF.

        Title           : BFD for VXLAN
        Authors         : Santosh Pallagatti
                          Sudarsan Paragiri
                          Vengada Prasad Govindan
                          Mallik Mudigonda
                          Greg Mirsky
        Filename        : draft-ietf-bfd-vxlan-02.txt
        Pages           : 10
        Date            : 2018-08-18

Abstract:
   This document describes the use of the Bidirectional Forwarding
   Detection (BFD) protocol in Virtual eXtensible Local Area Network
   (VXLAN) overlay networks.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bfd-vxlan/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-bfd-vxlan-02
https://datatracker.ietf.org/doc/html/draft-ietf-bfd-vxlan-02

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-bfd-vxlan-02


Please note that it may take a couple of minutes from the time of submission
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--00000000000081a00d0573bbe1d5
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<div dir=3D"ltr">Dear All,<div>the new version addresses comments and edito=
rial suggestions we&#39;ve received from Donald.</div><div><br></div><div>Y=
our reviews are most welcome, comments, questions, and suggestions much app=
reciated.</div><div><br></div><div>As discussed at the meeting in Montreal,=
 the authors believe that this document is ready for WGLC.</div><div><br></=
div><div>Regards,</div><div>Greg</div><div><br><div class=3D"gmail_quote">-=
--------- Forwarded message ----------<br>From: <b class=3D"gmail_sendernam=
e"></b> <span dir=3D"ltr">&lt;<a href=3D"mailto:internet-drafts@ietf.org">i=
nternet-drafts@ietf.org</a>&gt;</span><br>Date: Sat, Aug 18, 2018 at 1:09 P=
M<br>Subject: I-D Action: draft-ietf-bfd-vxlan-02.txt<br>To: <a href=3D"mai=
lto:i-d-announce@ietf.org">i-d-announce@ietf.org</a><br>Cc: <a href=3D"mail=
to:rtg-bfd@ietf.org">rtg-bfd@ietf.org</a><br><br><br><br>
A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.<br>
This draft is a work item of the Bidirectional Forwarding Detection WG of t=
he IETF.<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Title=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 BFD for VXLAN<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Authors=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: Sant=
osh Pallagatti<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Sudarsan Paragiri<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Vengada Prasad Govindan<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Mallik Mudigonda<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 Greg Mirsky<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-iet=
f-bfd-vxlan-02.txt<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 10<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 :=
 2018-08-18<br>
<br>
Abstract:<br>
=C2=A0 =C2=A0This document describes the use of the Bidirectional Forwardin=
g<br>
=C2=A0 =C2=A0Detection (BFD) protocol in Virtual eXtensible Local Area Netw=
ork<br>
=C2=A0 =C2=A0(VXLAN) overlay networks.<br>
<br>
<br>
The IETF datatracker status page for this draft is:<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-bfd-vxlan/" rel=3D"n=
oreferrer">https://datatracker.ietf.org/<wbr>doc/draft-ietf-bfd-vxlan/</a><=
br>
<br>
There are also htmlized versions available at:<br>
<a href=3D"https://tools.ietf.org/html/draft-ietf-bfd-vxlan-02" rel=3D"nore=
ferrer">https://tools.ietf.org/html/<wbr>draft-ietf-bfd-vxlan-02</a><br>
<a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-bfd-vxlan-02" r=
el=3D"noreferrer">https://datatracker.ietf.org/<wbr>doc/html/draft-ietf-bfd=
-vxlan-<wbr>02</a><br>
<br>
A diff from the previous version is available at:<br>
<a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-bfd-vxlan-02" rel=
=3D"noreferrer">https://www.ietf.org/rfcdiff?<wbr>url2=3Ddraft-ietf-bfd-vxl=
an-02</a><br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
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From: Greg Mirsky <gregimirsky@gmail.com>
Date: Fri, 17 Aug 2018 15:49:51 -0700
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Subject: Re: Comments on draft-ietf-bfd-vxlan-01
To: Donald Eastlake <d3e3e3@gmail.com>
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Hi Donald,
thank you for the thorough review, the most detailed and pointed comments
(received the editorial comments already).
I'd like to propose an update to the 2nd paragraph (see below in-line).
Hope it addresses your concern.

All the editorial suggestions have been accepted and updates applied
accordingly.

Attached please find the diff with the new working version of the draft.

Best regards,
Greg


On Fri, Aug 17, 2018 at 9:20 AM, Donald Eastlake <d3e3e3@gmail.com> wrote:

> Hi,
>
> I have reviewed this draft and have two main suggestions:
>
> There appears to be some conflict between the 2nd paragraph of Section
> 1 and the 4th paragraph. Paragraph 2 talks about layer 2 and 3
> underlay while the 4th paragraph implies only layer 3.
>
OLD TEXT:
  The VXLAN segments/overlay
   networks are overlaid on top of these Layer 2 or Layer 3 networks.
NEW TEXT:
   The VXLAN segments/overlays
   are overlaid on top of Layer 3 network.


> Also, I recommend that a request (template, RFC 7042) for assignment
> of a MAC address as mentioned in the IANA Considerations section be
> submitted now or at least soon. A single MAC address is cheap and
> requires only Expert approval which I think would be forthcoming.
>
> I have additional minor editorial suggestions I have sent directly to
> the authors.
>
> Preferably with my suggestions incorporated :-) I think this draft is
> ready for WG Last Call.
>
> Thanks,
> Donald
> ===============================
>  Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
>  1424 Pro Shop Court, Davenport, FL 33896 USA
>  d3e3e3@gmail.com
>
>

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<div dir=3D"ltr">Hi Donald,<div>thank you for the thorough review, the most=
 detailed and pointed comments (received the editorial comments already).</=
div><div>I&#39;d like to propose an update to the 2nd paragraph (see below =
in-line). Hope it addresses your concern.</div><div><br></div><div>All the =
editorial suggestions have been accepted and updates applied accordingly.</=
div><div><br></div><div>Attached please find the diff with the new working =
version of the draft.</div><div><br></div><div>Best regards,</div><div>Greg=
</div><div><br></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quo=
te">On Fri, Aug 17, 2018 at 9:20 AM, Donald Eastlake <span dir=3D"ltr">&lt;=
<a href=3D"mailto:d3e3e3@gmail.com" target=3D"_blank">d3e3e3@gmail.com</a>&=
gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0px =
0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<=
br>
<br>
I have reviewed this draft and have two main suggestions:<br>
<br>
There appears to be some conflict between the 2nd paragraph of Section<br>
1 and the 4th paragraph. Paragraph 2 talks about layer 2 and 3<br>
underlay while the 4th paragraph implies only layer 3.<br></blockquote><div=
>OLD TEXT:</div><div>=C2=A0 The VXLAN segments/overlay</div><div>=C2=A0 =C2=
=A0networks are overlaid on top of these Layer 2 or Layer 3 networks.=C2=A0=
</div><div>NEW TEXT:</div><div><div>=C2=A0 =C2=A0The VXLAN segments/overlay=
s</div><div>=C2=A0 =C2=A0are overlaid on top of Layer 3 network.</div></div=
><div><br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0=
px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
Also, I recommend that a request (template, RFC 7042) for assignment<br>
of a MAC address as mentioned in the IANA Considerations section be<br>
submitted now or at least soon. A single MAC address is cheap and<br>
requires only Expert approval which I think would be forthcoming.<br>
<br>
I have additional minor editorial suggestions I have sent directly to<br>
the authors.<br>
<br>
Preferably with my suggestions incorporated :-) I think this draft is<br>
ready for WG Last Call.<br>
<br>
Thanks,<br>
Donald<br>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D<wbr>=3D<br>
=C2=A0Donald E. Eastlake 3rd=C2=A0 =C2=A0+1-508-333-2270 (cell)<br>
=C2=A01424 Pro Shop Court, Davenport, FL 33896 USA<br>
=C2=A0<a href=3D"mailto:d3e3e3@gmail.com">d3e3e3@gmail.com</a><br>
<br>
</blockquote></div><br></div></div>

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