<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Ok, after one week, looks like the most popular time slot is B,<div class="">that is 14:00 UTC / Wednesdays.</div><div class=""><br class=""></div><div class="">I’m proposing first meeting for Wednesday / Apr 22th 14:00 UTC / #openstack-meeting-2.</div><div class=""><br class=""></div><div class="">Tomorrow (Apr 15th / 14:00 UTC) It’s a been early since the announcement, so </div><div class="">I will join #openstack-meeting-2 while working on the agenda for next week, feel free to join</div><div class="">if you want/have time.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 9/4/2015, at 22:43, Howard, Victor <<a href="mailto:Victor_Howard@cable.comcast.com" class="">Victor_Howard@cable.comcast.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">

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<div class="">I prefer Timeslot B, thanks for coordinating.  I would be interested in helping out in any way with the design session let me know!</div>
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<span style="font-weight:bold" class="">From: </span>"Sandhya Dasu (sadasu)" <<a href="mailto:sadasu@cisco.com" class="">sadasu@cisco.com</a>><br class="">
<span style="font-weight:bold" class="">Reply-To: </span>"OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org" class="">openstack-dev@lists.openstack.org</a>><br class="">
<span style="font-weight:bold" class="">Date: </span>Tuesday, April 7, 2015 12:19 PM<br class="">
<span style="font-weight:bold" class="">To: </span>"OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org" class="">openstack-dev@lists.openstack.org</a>><br class="">
<span style="font-weight:bold" class="">Subject: </span>Re: [openstack-dev] [neutron] [QoS] QoS weekly meeting<br class="">
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<div class="">Hi Miguel,</div>
<div class="">    Both time slots work for me. Thanks for rekindling this effort.</div>
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<div class="">Thanks,</div>
<div class="">Sandhya</div>
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<span style="font-weight:bold" class="">From: </span>Miguel Ángel Ajo <<a href="mailto:majopela@redhat.com" class="">majopela@redhat.com</a>><br class="">
<span style="font-weight:bold" class="">Reply-To: </span>"OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org" class="">openstack-dev@lists.openstack.org</a>><br class="">
<span style="font-weight:bold" class="">Date: </span>Tuesday, April 7, 2015 1:45 AM<br class="">
<span style="font-weight:bold" class="">To: </span>"OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org" class="">openstack-dev@lists.openstack.org</a>><br class="">
<span style="font-weight:bold" class="">Subject: </span>Re: [openstack-dev] [neutron] [QoS] QoS weekly meeting<br class="">
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<div class=""><span style="color: rgb(160, 160, 168);" class="">On Tuesday, 7 de April de 2015 at 3:14, Kyle Mestery wrote:</span></div>
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<div class="">On Mon, Apr 6, 2015 at 6:04 PM, Salvatore Orlando <span dir="ltr" class=""><<a href="mailto:sorlando@nicira.com" target="_blank" class="">sorlando@nicira.com</a>></span> wrote:<br class="">
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<div class=""><span class="">On 7 April 2015 at 00:33, Armando M. <span dir="ltr" class=""><<a href="mailto:armamig@gmail.com" target="_blank" class="">armamig@gmail.com</a>></span> wrote:<br class="">
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<div class=""><span class="">On 6 April 2015 at 08:56, Miguel Ángel Ajo <span dir="ltr" class=""><<a href="mailto:majopela@redhat.com" target="_blank" class="">majopela@redhat.com</a>></span> wrote:<br class="">
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<div class=""><span style="font-size:14px" class="">I’d like to co-organized a QoS weekly meeting with Sean M. Collins,</span></div>
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<div class=""><span style="font-size:14px" class="">    In the last few years, the interest for QoS support has increased, Sean has been leading</span></div>
<div class=""><span style="font-size:14px" class="">this effort [1] and we believe we should get into a consensus about how to model an extension</span></div>
<div class=""><span style="font-size:14px" class="">to let vendor plugins implement QoS capabilities on network ports and tenant networks, and</span></div>
<div class=""><span style="font-size:14px" class="">how to extend agents, and the reference implementation & others [2]</span></div>
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<div class="">As you surely know, so far every attempt to achieve a consensus has failed in a pretty miserable way.</div>
<div class="">This mostly because "QoS" can be interpreted in a lot of different ways, both from the conceptual and practical perspective.</div>
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<div class=""><span style="font-size: 14px;" class="">Yes, I’m fully aware of it, it was also a new feature, so it was out of scope for Kilo.</span> </div>
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<div class="">It is important in my opinion to clearly define the goals first. For instance a simple extensions for bandwidth limiting could be a reasonable target for the Liberty release.</div>
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<div class=""><span style="font-size: 14px;" class="">I quite agree here, but IMHO, as you said it’s a quite open field (limiting, guaranteeing, </span></div>
<div class=""><span style="font-size: 14px;" class="">marking, traffic shaping..), we should do our </span><span style="font-size: 14px;" class="">best in trying to define a model allowing us </span></div>
<div class=""><span style="font-size: 14px;" class="">to build that up in the future without huge changes, on the API side I guess micro versioning</span></div>
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<div class=""><span style="font-size: 14px;" class="">Also, at some point, we should/could need to involve the nova folks, for example, to define</span></div>
<div class=""><span style="font-size: 14px;" class="">port flavors that can be associated to nova</span></div>
<div class=""><span style="font-size: 14px;" class="">instance flavors, providing them </span></div>
<div class=""><span style="font-size: 14px;" class="">1) different types of network port speeds/guarantees/priorities, </span></div>
<div class=""><span style="font-size: 14px;" class="">2) being able to schedule instance/ports in coordination to be able to met specified guarantees.</span></div>
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<div class=""><span style="font-size: 14px;" class="">yes, complexity can sky rocket fast, </span></div>
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<div class="">Moving things such as ECN into "future works" is the right thing to do in my opinion. Attempting to define a flexible framework that can deal with advanced QoS policies specification is a laudable effort, but I am a bit skeptical about its feasibility.</div>
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<div class="">++, I think focusing on perhaps bandwidth limiting may make a lot of sense </div>
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<div class=""><span style="font-size: 14px;" class="">Yes, I believe we should look into the future , but at the same pick our very first feature (or a</span></div>
<div class=""><span style="font-size: 14px;" class="">very simple set of them) for L, </span><span style="font-size: 14px;" class="">stick to it, and try to make a design that can be extended.</span></div>
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<div class=""><span style="font-size:14px" class="">    As per discussion we’ve had during the last few months [3], I believe we should start simple, but</span></div>
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<div class=""><span style="font-size:14px" class="">per IP, etc..), congestion notification support [4], </span><span style="font-size:14px" class="">…</span></div>
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<div class="">"Simple" in my mind is even more extreme then what you're proposing here... I'd start with bare APIs for specifying bandwidth limiting, and then phase them out once this "framework" is in place.</div>
<div class="">Also note that this kind of design bears some overlap with the flavor framework which is probably going to be another goal for Liberty.</div>
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<div class="">Indeed, and the flavor framework is something I'm hoping we can land by Liberty-1 (yes, I just said Liberty-1).<br class="">
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<div class=""><span style="font-size: 14px;" class="">Yes it’s something I looked at, I must admit I wasn’t able to see it work together (It doesn’t </span></div>
<div class=""><span style="font-size: 14px;" class="">mean it doesn’t play </span><span style="font-size: 14px;" class="">well, but most probably I was silly enough not to see it :) ),</span></div>
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<div class=""><span style="font-size: 14px;" class="">I didn’t want to distract attention </span><span style="font-size: 14px;" class="">from the Kilo cycle focus </span><span style="font-size: 14px;" class="">making questions, so it should</span></div>
<div class=""><span style="font-size: 14px;" class="">be a good thing to talk </span><span style="font-size: 14px;" class="">about during the first meetings.  </span></div>
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<div class=""><span style="font-size: 14px;" class="">Who are the flavor fathers/mothers? ;)</span></div>
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<div class="">Morever, consider using "common" tools such as the specs repo to share and discuss design documents.</div>
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<div class="">Also a good idea.<br class="">
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<div class="">Yes, that was the plan now, we didn’t use it before to avoid creating unnecessary noise during this cycle.</div>
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<div class=""><span style="font-size:14px" class="">    It’s the first time I’m trying to organize an openstack/neutron meeting, so, I don’t know what’s the</span></div>
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<div class=""><span style="font-size:14px" class="">looped anybody I know is interested in the CC of this mail. </span></div>
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<div class="">I think that's a good idea. Incidentally I was speaking with Sean regarding Summit session [1], and we were hoping we could get some folks together either prior or during the summit, to try and get some momentum going behind this initiative, once again.</div>
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<div class=""><span style="font-size: 14px;" class="">Very interesting [1]!, nice to see we start to have a bunch of people with an interest in QoS.</span>  </div>
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<div class="">I think is a good idea as well.  I was thinking that perhaps it might be a good idea to grab a design summit session as well (surely not a fishbowl one as they're totally unfit for this purpose).</div>
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<div class=""><span style="font-size: 14px;" class="">Yes, a bit of preliminary discussion, and a “deadline” and final discussion on summit. Sounds good.</span></div>
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<div class="">We'd need to fill in page [2], and find an empty slot on [3]</div>
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<div class=""><span style="font-size: 14px;" class="">[2] done, and Meetings/QoS created </span></div>
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<div class=""><span style="font-size: 14px;" class="">About [3]</span></div>
<div class=""><span style="font-size: 14px;" class="">Do any of those sound reasonable: </span></div>
<div class=""><span style="font-size: 14px;" class="">a) Thursdays / 19:00 CEST</span></div>
<div class=""><span style="font-size: 14px;" class="">b)  Wednesdays / 16:00 CEST </span></div>
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<div class="">One thing I had proposed to Miguel was to use the meeting as an initial starting point, and then once momentum is achieved to naturally end it and move any further meeting needs to the regular Neutron meeting.<br class="">
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<div class=""><span style="font-size: 14px;" class="">Correct, that seems a natural thing to do once the meetings can be done under a certain</span></div>
<div class=""><span style="font-size: 14px;" class="">amount of time we could move them to a weekly meeting timeslot for details/progress tracking.</span></div>
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<div class="">Thanks for starting this thread!</div>
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<div class=""><span style="font-size: 14px;" class="">Thank you all :)</span> </div>
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<div class="">[1] <a href="https://openstacksummitmay2015vancouver.sched.org/event/27eeef71d5f57997ac09b4c7783c72fe#.VSMIzJT-NhM" target="_blank" class="">
https://openstacksummitmay2015vancouver.sched.org/event/27eeef71d5f57997ac09b4c7783c72fe#.VSMIzJT-NhM</a>  </div>
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<div class="">[2] <a href="https://wiki.openstack.org/wiki/NeutronSubTeams" target="_blank" class="">https://wiki.openstack.org/wiki/NeutronSubTeams</a></div>
<div class="">[3] <a href="https://wiki.openstack.org/wiki/Meetings" target="_blank" class="">https://wiki.openstack.org/wiki/Meetings</a></div>
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<div class=""><span style="font-size:10pt" class="">Miguel Ángel Ajo</span></div>
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<div class=""><span style="font-size:14px" class="">[1] </span><a href="https://blueprints.launchpad.net/neutron/+spec/quantum-qos-api" target="_blank" class="">https://blueprints.launchpad.net/neutron/+spec/quantum-qos-api</a></div>
<div class=""><span style="font-size:14px" class="">[2] </span><a href="https://drive.google.com/file/d/0B2XATqL7DxHFRHNjU3k1UFNYRjQ/view?usp=sharing" target="_blank" class="">https://drive.google.com/file/d/0B2XATqL7DxHFRHNjU3k1UFNYRjQ/view?usp=sharing</a></div>
<div class=""><span style="font-size:14px" class="">[3] </span><a href="https://docs.google.com/document/d/1xUx0Oq-txz_qVA2eYE1kIAJlwxGCSqXHgQEEGylwlZE/edit#heading=h.2pdgqfl3a231" target="_blank" class="">https://docs.google.com/document/d/1xUx0Oq-txz_qVA2eYE1kIAJlwxGCSqXHgQEEGylwlZE/edit#heading=h.2pdgqfl3a231</a></div>
<div class=""><span style="font-size:14px" class="">[4] </span><a href="https://blueprints.launchpad.net/neutron/+spec/explicit-congestion-notification" target="_blank" class="">https://blueprints.launchpad.net/neutron/+spec/explicit-congestion-notification</a></div>
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__________________________________________________________________________<br class="">OpenStack Development Mailing List (not for usage questions)<br class="">Unsubscribe: <a href="mailto:OpenStack-dev-request@lists.openstack.org" class="">OpenStack-dev-request@lists.openstack.org</a>?subject:unsubscribe<br class=""><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev" class="">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev</a><br class=""></div></blockquote></div><br class=""><div class="">
<div class="">Miguel Angel Ajo</div><div class=""><br class=""></div><br class="Apple-interchange-newline">

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