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-rw-r--r--proposals/271-another-guard-selection.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/proposals/271-another-guard-selection.txt b/proposals/271-another-guard-selection.txt
index 4da79ed..0f9328f 100644
--- a/proposals/271-another-guard-selection.txt
+++ b/proposals/271-another-guard-selection.txt
@@ -355,6 +355,10 @@ Status: Open
PRIMARY_GUARDS chosen _uniformly_ at random from
({FILTERED_GUARDS} - {CONFIRMED_GUARDS}).
+ Once an element has been added to {PRIMARY_GUARDS}, we do not remove it
+ until it is replaced by some element from {CONFIRMED_GUARDS}. Confirmed
+ elements always proceed unconfirmed ones in the {PRIMARY_GUARDS} list.
+
Note that {PRIMARY_GUARDS} do not have to be in
{USABLE_FILTERED_GUARDS}: they might be unreachable.