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commit cb4ae84a20793a00f35a70aad5df47d4e4c7da7c Author: Mike Perry mikeperry-git@torproject.org AuthorDate: Thu Aug 11 01:44:01 2022 +0000
Prop 324: Reduce the number of vegas parameters
Also update their defaults. --- proposals/324-rtt-congestion-control.txt | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/proposals/324-rtt-congestion-control.txt b/proposals/324-rtt-congestion-control.txt index c9997ef..c46fd4e 100644 --- a/proposals/324-rtt-congestion-control.txt +++ b/proposals/324-rtt-congestion-control.txt @@ -1416,18 +1416,23 @@ These are sorted in order of importance to tune, most important first.
6.5.3. Vegas Parameters
- cc_vegas_alpha_{exit,onion,sos,vg,sbws}: - cc_vegas_beta_{exit,onion,sos,vg,sbws}: - cc_vegas_gamma_{exit,onion,sos,vg,sbws}: - cc_vegas_delta_{exit,onion,sos,vg,sbws}: + cc_vegas_alpha_{exit,onion,sbws}: + cc_vegas_beta_{exit,onion,sbws}: + cc_vegas_gamma_{exit,onion,sbws}: + cc_vegas_delta_{exit,onion,sbws}: - Description: These parameters govern the number of cells that [TOR_VEGAS] can detect in queue before reacting. - Range: [0, 1000] (except delta, which has max of INT32_MAX) - Defaults: - alpha: path_len*2*31-31 - beta: path_len*2*31 - gamma: path_len*2*31 - delta: path_len*2*31 + 2*31 + # OUTBUF_CELLS=62 + cc_vegas_alpha_exit (2*OUTBUF_CELLS) + cc_vegas_beta_exit (4*OUTBUF_CELLS) + cc_vegas_gamma_exit (3*OUTBUF_CELLS) + cc_vegas_delta_exit (6*OUTBUF_CELLS) + cc_vegas_alpha_onion (3*OUTBUF_CELLS) + cc_vegas_beta_onion (7*OUTBUF_CELLS) + cc_vegas_gamma_onion (5*OUTBUF_CELLS) + cc_vegas_delta_onion (9*OUTBUF_CELLS) - Tuning Notes: The amount of queued cells that Vegas should tolerate is heavily dependent upon competing congestion control algorithms. The specified