<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hello measurement folks,<div class=""><br class=""></div><div class="">Below is an experiment from the University of Michigan to understand residential throughput in different regions of the world.</div><div class=""><br class=""></div><div class="">If you have a Linux box running at home, with more than a link of more 4 Mbps, you can try this out. See below for more details.</div><div class=""><br class=""></div><div class="">Cheers,</div><div class="">Amreesh<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">Begin forwarded message:</div><br class="Apple-interchange-newline"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">From: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">Roya Ensafi <<a href="mailto:ensafi@umich.edu" class="">ensafi@umich.edu</a>><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Subject: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><b class="">Updated: Instruction for running residential throughput tests (thanks for volunteering)</b><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Date: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">2 May 2019 at 00:13:22 GMT+4<br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;" class=""><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">To: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">Pengxiong Zhu <<a href="mailto:pzhu011@ucr.edu" class="">pzhu011@ucr.edu</a>>, "cc: Zhiyun Qian" <<a href="mailto:zhiyunq@cs.ucr.edu" class="">zhiyunq@cs.ucr.edu</a>>, "J. Alex Halderman" <<a href="mailto:jhalderm@eecs.umich.edu" class="">jhalderm@eecs.umich.edu</a>><br class=""></span></div><br class=""><div class=""><div class="">Correction: I just learned that we are running the measurements ***for<br class="">three days***, not two days. Also, we added contact info in case you<br class="">need more help.<br class=""><br class="">--------------<br class="">Hi,<br class=""><br class="">Thanks for participating in our study. Let me note that this work is<br class="">lead by Zhiyun Qian's team and Pengxiong Zhu is the lead Ph.D.<br class="">candidate from UC Riverside. Alex Halderman and I from Uni Michigan<br class="">are helping with the project. (all CC'ed).<br class=""><br class="">We have an ongoing project that needs to conduct an Internet-wide<br class="">experiment to measure the throughput of transnational network links<br class="">among many different countries in the world. The only information we<br class="">collect is the speed of the file download.<br class=""><br class="">We need the test to be run from residential networks on Linux OS for<br class="">***three*** days non-stop, and your bandwidth needs to be higher than<br class="">4 Mbps.<br class=""><br class="">**Instruction**:<br class=""><br class="">Here is the code:<br class=""><a href="https://www.dropbox.com/sh/w9irp68t6mggwic/AABbXfWz_nNV-5Rr1x7DHx5Wa?dl=0" class="">https://www.dropbox.com/sh/w9irp68t6mggwic/AABbXfWz_nNV-5Rr1x7DHx5Wa?dl=0</a><br class=""><br class="">The following is the instructions. You can also check the README.md.<br class="">1. Dependency --> curl, screen<br class=""><br class="">2. How to Run<br class="">-- Install prerequisite packages: ./install.sh<br class="">-- Run run.sh in current c2c-thrpt directory, "City-Country" is a<br class="">string marking your location(no space), i.e., "NewYork-USA",<br class="">"London-UK". If the test is interrupted, simple run the command to<br class="">resume.<br class="">-- cd PATH/TO/c2c-thrpt<br class="">-- ./run.sh "City-Country"<br class=""><br class="">3. Check Status<br class="">-- Run command: screen -ls<br class="">-- If you see three screens named ftp,curl,timer like the following<br class="">output, then the test is successfully running! (The time and number<br class="">will be different). If you don't, please contact pzhu011@ucr.edu<br class=""><br class="">-- There are several suitable screens on:<br class="">-- 22835.ftp (04/30/2019 11:38:25 PM) (Detached)<br class="">-- 22832.curl (04/30/2019 11:38:25 PM) (Detached)<br class="">-- 22828.timer (04/30/2019 11:38:25 PM) (Detached)<br class="">-- Type "screen [-d] -r [pid.]tty.host" to resume one of them.<br class=""><br class="">4. Contact Information<br class="">If you have any questions, please contact pzhu011@ucr.edu<br class=""><br class="">BTW, the ips file in c2c-thrpt folder include IPs (VPS nodes<br class="">controlled by us) that the script running on the client will be<br class="">downloading data from<br class="">Best,<br class="">Roya<br class=""><br class="">--<br class="">Roya Ensafi<br class="">Assistant Professor,<br class="">Computer Science and Engineering,<br class="">University of Michigan, Ann Arbor<br class="">https://ensa.fi<br class=""></div></div></blockquote></div><br class=""></div></body></html>