#33434: Allow users to select Onion Service version to measure ---------------------------------------+-------------------------------- Reporter: acute | Owner: karsten Type: enhancement | Status: needs_review Priority: Medium | Milestone: Component: Metrics/Onionperf | Version: Severity: Normal | Resolution: Keywords: metrics-team-roadmap-2020 | Actual Points: Parent ID: | Points: 0.5 Reviewer: | Sponsor: Sponsor59-must ---------------------------------------+-------------------------------- Changes (by karsten):
* status: accepted => needs_review * cc: dgoulet, asn (added) Comment: While working on #34023 (for deciding whether we can use partial completion times instead of full completion times) I realized that I could use the same analysis data and code to compare version 2 to version 3 measurement results for this ticket. And while doing that analysis I realized that we're currently doing 1/3 of all OnionPerf measurements to version 3 onion servers---which we're not even graphing on Tor Metrics. But even if we did graph them, we'd be making 2/3 of measurements to onion services and only 1/3 via exits. Can we take out v2 onion service support and only do v3 onion service measurements in the future? Please take a look at the following graph. It shows time to download 50 KiB, 1 MiB, and 5 MiB over Tor to its own web server (public server) or to its own v2 or v3 onion server. [[Image(onionperf-v2vsv3-2020-05-17.png, 700px)]] I didn't follow all the v3 onion server changes in detail. Is there any conceptual difference that might show up in these performance graphs? If it's mainly different crypto, shared randomness, and a differently distributed directory, we could expect the same performance results for downloading files using either version. What do you think? Should we just kill the version 2 measurements? And should we include all onion server measurements on Tor Metrics, regardless of version? Copying onion service people to also get their input here. -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33434#comment:4> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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