<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Hi,<div><br><div dir="ltr">On 28 Feb 2019, at 19:00, Karsten Loesing <<a href="mailto:karsten@torproject.org">karsten@torproject.org</a>> wrote:<br></div><blockquote type="cite"><div dir="ltr"><span></span><br><span>On 2019-02-22 23:05, Su Yu wrote:</span><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>I did some quick plotting in Jupyter notebook (see below; the figures</span><br></blockquote><blockquote type="cite"><span>are also attached separately). Regarding the relays vs. bridges question</span><br></blockquote><blockquote type="cite"><span>that you mentioned, it seems the bridges are better at keeping</span><br></blockquote><blockquote type="cite"><span>themselves not /too/ outdated, but they're actually not that different</span><br></blockquote><blockquote type="cite"><span>in keeping up-to-date?</span><br></blockquote><span></span><br><span>Thanks for making these graphs. Though it's hard (for me) to interpret</span><br><span>these results.</span><br><span></span><br><span>One reason might be that these graphs are considering a time frame of</span><br><span>over 1 decade. A lot of things have changed over that time frame:</span><br><span></span><br><span> - The network has grown a lot over the years, which means that recent</span><br><span>years have a greater weight in those graphs than distant years. This</span><br><span>doesn't have to be a bad thing, it's just probably not intended and</span><br><span>possibly surprising when interpreting the results.</span><br><span></span><br><span> - Release cycles have changed, with a much shorter cycle in the last</span><br><span>year or two as compared to earlier years. This may skew results even more.</span><br><span></span><br><span>If I were to continue this analysis I'd try to look more at changes over</span><br><span>time. Things I'd look at:</span><br><span></span><br><span> - How does the shorter release cycle affect update behavior? It's</span><br><span>probably useful to look at Tor's change log to get an idea when versions</span><br><span>have been updated, when versions have been sunset, and which versions</span><br><span>have long-term support.</span><br></div></blockquote><br></div><div>We have a summary page for past releases and our release schedule:</div><div><a href="https://trac.torproject.org/projects/tor/wiki/org/teams/NetworkTeam/CoreTorReleases#Calendar:">https://trac.torproject.org/projects/tor/wiki/org/teams/NetworkTeam/CoreTorReleases#Calendar:</a></div><div><br></div><div>T</div></body></html>