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Opened by George Kadianakis@asn
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Understand code performance of onion services under DoS

We need to do the following experiments to understand more about the performance of Tor under simulated DoS conditions:

  1. Get vanilla profile (for legacy/trac#30221 (moved)) [VANILLA profile] [Also get with INTRO2 rate limiting]

  2. See effect of DoS on intro and guard [VANILLA profile] [Also with INTRO2 rate limiting]

  3. Investigate control port experiment (with STREAM events enabled and trying to kill circs with CLOSECIRCUIT) [VANILLA profile] wrt ​https://lists.torproject.org/pipermail/tor-dev/2019-December/014097.html

    NEED: Controller script that logs circuit events and tries to kill some circuits [asn]

  4. Investigate size of replay cache (legacy/trac#26294 (moved)) [VANILLA profile] [asn]

  5. Investigate capacity of reestablish intro circuit (legacy/trac#26294 (moved)) [VANILLA profile]

  6. Compare intro/rend profiles (value of prop255 / legacy/trac#17254 (moved)) [VANILLA profile]

7~) Investigate horizontal scaling with OB (scale to 2/4/8 instances, extrapolate onwards.) [OBv3 profile]

8~) Investigate pinned paths with HSLayer2Node HSLayer3Node [Vanguard profile]

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