[tor-dev] Testing Network Node Availability

[Xiaofan Li <xli2@xxxxxxxxxxxxxx>]

Hi all,Â

We've finished building TOR on QUIC and everything works fine with chutney. However, we have an issue with the node availability when we test on real networks. We need this to work in order to evaluate the effect of HOL blocking with QuicTor vs. Tor.Â

Specifically:Â

1. When using our QuicTor and normal TOR without path restriction, warning messages like:Â[warn] Failed to find node for hop 1 of our path. Discarding this circuit. Keeps showing up but the node would actually reach 100% bootstrap and all file transfer functionalities work fine.Â
2. However, our real issue is when I restrict the path selection to 3 pre-determined nodes for all exit circuits, the client will not reach 100% anymore and keeps hanging at 85% (or 80% sometimes).Â
3. We've thoroughly tested path restriction with chutney and it works.Â

Our network has 11 nodes: 3 clients and 8 relays (2 of which are authorities). We already have assumeReachable and I've tuned up voting frequencies, just like chutney's default config. Any other configuration flag that could help propagating router availability info?Â

Any idea at all?Â

Li.Â

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