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| author | Nick Mathewson <nickm@torproject.org> | 2021-08-17 09:33:12 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2021-08-17 09:33:12 -0400 |
| commit | 788fa527836e2fbacbb02671ba37de62e1c3940d (patch) | |
| tree | a0b81b5e87c8d3d3e90d4202cc085c491bcef010 /path-spec.txt | |
| parent | 764abbfdea60b6a709801b244a2e3a798858a491 (diff) | |
| download | torspec-788fa527836e2fbacbb02671ba37de62e1c3940d.tar.gz torspec-788fa527836e2fbacbb02671ba37de62e1c3940d.zip | |
Clarify tiebreaker rules when computing X_m
Diffstat (limited to 'path-spec.txt')
| -rw-r--r-- | path-spec.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/path-spec.txt b/path-spec.txt index f02bee6..65d56c4 100644 --- a/path-spec.txt +++ b/path-spec.txt @@ -433,6 +433,8 @@ of their choices. Instead of using the mode of discrete build times directly, Tor clients compute the Xm parameter using the weighted average of the the midpoints of the 'cbtnummodes' (10) most frequently occurring 10ms histogram bins. + Ties are broken in favor of earlier bins. + (The use of 10 modes was found to minimize error from the selected cbtquantile, with 10ms bins for quantiles 60-80, compared to many other heuristics). |