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authorNick Mathewson <nickm@torproject.org>2007-10-10 17:48:58 +0000
committerNick Mathewson <nickm@torproject.org>2007-10-10 17:48:58 +0000
commitdaf4c11f1ab74f0d36ece2d1cfff5f587d678091 (patch)
treea380dbc93081df5833f4a77721ec7f93443d40f7 /ChangeLog
parent1a94e84661608e609505c4b61caa0aaa8801bf24 (diff)
downloadtor-daf4c11f1ab74f0d36ece2d1cfff5f587d678091.tar
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r15630@catbus: nickm | 2007-10-10 13:39:44 -0400
Save weighted-fractional-uptime to disk as well as MTBF. Bump the version on rouer-stability: downgrading to versions earlier than this one will lose your WFU data. svn:r11835
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@@ -2,6 +2,12 @@ Changes in version 0.2.0.8-alpha - 2007-??-??
o Major features (directory authorities):
- When an authority is missing votes or signatures, it now tries to fetch
them.
+ - Directory authorities track weighted fractional uptime as well as
+ weighted mean-time-between failures. WFU is suitable for deciding
+ whether a node is "usually up", while MTBF is suitable for deciding
+ whether a node is "likely to stay up." We need both, because "usually
+ up" is a good requirement for guards, while "likely to stay up" is
+ a good requirement for long-lived connections.
o Major features (v3 directory system):
- Caches now download v3 network status documents as needed.