diff options
| -rw-r--r-- | dir-spec.txt | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/dir-spec.txt b/dir-spec.txt index b626fd8..9057eed 100644 --- a/dir-spec.txt +++ b/dir-spec.txt @@ -990,11 +990,16 @@ $Id$ "Fast" -- A router is 'Fast' if it is active, and its bandwidth is either in the top 7/8ths for known active routers or at least 100KB/s. - "Guard" -- A router is a possible 'Guard' if it is 'Stable' and its - bandwidth is either at least the median for known active routers or - at least 250KB/s. If the total bandwidth of active non-BadExit Exit - servers is less than one third of the total bandwidth of all active - servers, no Exit is listed as a Guard. + "Guard" -- A router is a possible 'Guard' if its Weighted Fractional + Uptime is at least the median for known active routers, and its bandwidth + is either at least the median for known active routers or at least + 250KB/s. If the total bandwidth of active non-BadExit Exit servers is less + than one third of the total bandwidth of all active servers, no Exit is + listed as a Guard. + + To calculate weighted fractional uptime, compute the fraction + of time that the router is up in any given day, weighting so that + downtime and uptime in the past counts less. "Authority" -- A router is called an 'Authority' if the authority generating the network-status document believes it is an authority. |