<div dir="ltr"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div>Measurement Lab is hosting a community discussion panel about measuring bufferbloat at scale, and related topics.   This will be an open discussion - the audience will be able to ask questions and make comments, within our <a href="https://www.measurementlab.net/community-guidelines/" target="_blank" style="text-decoration-line:none"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">community guidelines</span></a><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap">. </span></div><div><br></div><div>11a ET, 8a PT, Wednesday, August 25.</div><div><br></div><div><a href="https://docs.google.com/forms/d/e/1FAIpQLSeHKN2MUP1IAReB8KNJM9jIdbazpaUQscdj0zZ5PbbO9K0fTA/viewform?usp=sf_link" target="_blank" style="text-decoration-line:none"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">Please register</span></a><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap"> </span> to receive the zoom link.  (You will also receive announcements for future MLab community calls.)</div><div><br></div><div>Thanks,</div><div>--MM--</div><div></div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">---------- Forwarded message ---------<br>From: <strong class="gmail_sendername" dir="auto">Lai Yi Ohlsen</strong> <span dir="auto"><<a href="mailto:laiyi@measurementlab.net">laiyi@measurementlab.net</a>></span><br>Date: Wed, Aug 18, 2021 at 11:40 AM<br>Subject: [M-Lab-Discuss] Latency, Bufferbloat, Responsiveness & Internet Quality - discussion (next) Wednesday, August 25<br>To:  <<a href="mailto:discuss@measurementlab.net">discuss@measurementlab.net</a>><br></div><br><div dir="ltr"><span id="m_5135790023871471007gmail-docs-internal-guid-029c72d1-7fff-dc45-631e-f7724d936372"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Internet performance is often measured by download and upload “speed” but there are other metrics that can help measure connectivity, such as latency, bufferbloat and a more recently discussed metric: responsiveness. </span><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Join us next Wednesday, August 25, 2021 from 11am-12:30pm </span><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Eastern for a conversation with Internet Measurement researchers with expertise and interest in each of these metrics including: </span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Matt Mathis, Senior Research Scientist, Measurement Lab, Google</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Matt Mathis has been working on Internet performance research and development since 1990.  His work includes measurement tools, models and improvements to protocol standards.  He participated in MLab from its inception in 2009, and came to Google in 2010 to find a larger platform on which to stand.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Dave Taht </span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Dave Taht and members of the </span><a href="https://www.bufferbloat.net/projects/" style="text-decoration-line:none" target="_blank"><span style="font-size:11pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">Bufferbloat Project </span></a><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">have made</span><span style="font-size:11pt;font-family:Arial;color:rgb(255,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"> </span><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">vast</span><span style="font-size:11pt;font-family:Arial;color:rgb(255,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"> </span><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">improvements to the Internet and to WiFi, as described in the book, “</span><a href="https://blog.tohojo.dk/media/bufferbloat-and-beyond.pdf" style="text-decoration-line:none" target="_blank"><span style="font-size:11pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">Bufferbloat and Beyond</span></a><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">”. He has lectured at Stanford and MIT, NANOG, RIPE, USENIX, IEEE, and the IETF. His R&D work on AQM/FQ technologies on the Internet have been integrated into the Linux, OSX, and IOS kernels, cable modems, and many WiFi chips, and he has created and managed Internet improvement initiatives such as CeroWrt,</span><a href="https://lwn.net/Articles/705884/" style="text-decoration-line:none" target="_blank"><span style="font-size:11pt;font-family:Arial;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap"> make-wifi-fast</span></a><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, cake, and more. From these projects we have seen major innovations in congestion control algorithms such as BQL, FQ_codel, FQ_pie, and BBR. </span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Christoph Paasch, Networking Architect, Apple</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Christoph Paasch has been working on transport layer networking since 2010. Focusing on extensions to TCP, like Multipath TCP or TCP Fast Open. From specification (in the case of MPTCP) and research to the implementation and large scale deployments at Apple. Lately he has shifted his focus on improving the network properties that really matter to the end-user experience by exposing measurement tools to raise awareness to these issues. "Responsiveness under working conditions" being now the first primary target.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">The conversation will be moderated by Lai Yi Ohlsen, Director of Measurement Lab, a fiscally sponsored project of Code for Science & Society. </span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Our casual conversation will include discussion about the significance of these metrics as well as the challenges their collection presents. We welcome audience questions, answers, challenges, and discussion. The discussion will be technical but no familiarity with M-Lab is required; all we ask is that participants review and respect our </span><a href="https://www.measurementlab.net/community-guidelines/" style="text-decoration-line:none" target="_blank"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">community guidelines</span></a><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">. </span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">If you have previously RSVP’d to our community calls, you should have already received a calendar invite with a Zoom link included. If not, please reply directly to this email. </span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">If you have not previously RSVP’d, but would like to attend, </span><a href="https://docs.google.com/forms/d/e/1FAIpQLSeHKN2MUP1IAReB8KNJM9jIdbazpaUQscdj0zZ5PbbO9K0fTA/viewform?usp=sf_link" style="text-decoration-line:none" target="_blank"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">please do so here</span></a><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"> and indicate that you’d like to be attended to the “Internet Research” meetings. You’ll be sent a Zoom link shortly after.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Please note that our conversation will be recorded. If you attend, you will be asked to give your consent to being recorded. The recording will be published and distributed openly.  </span></p><br><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">If you have any questions, please feel free to reply to this email directly or write to </span><a href="mailto:laiyi@measurementlab.net" style="text-decoration-line:none" target="_blank"><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">laiyi@measurementlab.net</span></a><span style="font-size:11pt;font-family:"Helvetica Neue",sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">. </span></span><br clear="all"><div><br></div>-- <br><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><div>Lai Yi Ohlsen</div></div><div><div>Director, <a href="http://www.measurementlab.net" target="_blank">Measurement Lab</a></div><div><a href="https://codeforscience.org/" target="_blank">Code for Science & Society</a></div><div><br></div></div></div></div></div></div></div>
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