commit a697137e91ed319eae0ef8155c919249b1b75e86 Author: Mike Perry <mikeperry-git@torproject.org> Date: Mon Oct 29 21:20:16 2018 +0000 fixup! Update Proposal #254 with latest circuit padding plans. Update padding consensus param limits. --- proposals/254-padding-negotiation.txt | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/proposals/254-padding-negotiation.txt b/proposals/254-padding-negotiation.txt index 3b2c883..94d8287 100644 --- a/proposals/254-padding-negotiation.txt +++ b/proposals/254-padding-negotiation.txt @@ -305,21 +305,15 @@ We recommend that three consensus parameters be used in the event that the network is being overloaded from padding to such a degree that padding requests should be ignored: - * circpad_max_machine_padding_pct - - The maximum ratio of sent padding traffic to sent non-padding traffic - (expressed as a percent) to allow on a padding machine before ceasing - to pad. Ex: 75 means 75 padding packets for every 100 - non-padding+padding packets. This definition is consistent with the - overhead values in Proposal #265. - * circpad_machine_allowed_cells + * circpad_global_max_padding_pct + - The maximum percent of sent padding traffic out of total traffic + to allow in a tor process before ceasing to pad. Ex: 75 means + 75 padding packets for every 100 non-padding+padding packets. + This definition is consistent with the overhead values in Proposal + #265, though it does not take node position into account. + * circpad_global_allowed_cells - The number of padding cells that must be transmitted before the - per-machine ratio limit is applied. - * circpad_max_global_padding_pct - - The maximum ratio of sent padding traffic to sent non-padding traffic - (expressed as a percent) to allow globally at a client or relay - before ceasing to pad. Ex: 75 means 75 padding packets for every 100 - non-padding+padding packets. This definition is consistent with the - overhead values in Proposal #265. + global ratio limit is applied. Additionally, each machine can specify its own per-machine limits for the allowed cell counters and padding overhead percentages.