diff options
Diffstat (limited to 'doc/spec/control-spec.txt')
| -rw-r--r-- | doc/spec/control-spec.txt | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/doc/spec/control-spec.txt b/doc/spec/control-spec.txt index 424deea736..cda883e119 100644 --- a/doc/spec/control-spec.txt +++ b/doc/spec/control-spec.txt @@ -1200,14 +1200,16 @@ $Id$ CLOCK_SKEW SKEW="+" / "-" SECONDS + MIN_SKEW="+" / "-" SECONDS. SOURCE="DIRSERV:IP:Port" / "NETWORKSTATUS:IP:PORT" / "CONSENSUS" If "SKEW" is present, it's an estimate of how far we are from the - time declared in the source. If the source is a DIRSERV, we got - the current time from a connection to a dirserver. If the source is - a NETWORKSTATUS, we decided we're skewed because we got a v2 - networkstatus from far in the future. If the source is - CONSENSUS, we decided we're skewed because we got a networkstatus - consensus from the future. + time declared in the source. (In other words, if we're an hour in + the past, the value is -3600.) "MIN_SKEW" is present, it's a lower + bound. If the source is a DIRSERV, we got the current time from a + connection to a dirserver. If the source is a NETWORKSTATUS, we + decided we're skewed because we got a v2 networkstatus from far in + the future. If the source is CONSENSUS, we decided we're skewed + because we got a networkstatus consensus from the future. {Controllers may want to warn the user if the skew is high, or if multiple skew messages appear at severity WARN. Controllers |