Bandwidth anomalous event examples

SiteDatesMean changesRoute changesComments
ANL Chicago, Illinois May 13-24 30-40% No route changes Looks like they are correlated with a job scheduled to run about 2am in the morning.
BINP Novosibirsk, Russia 6/6/04 ~50% No route change Two step changes
BINP Novosibitsk, Russia 4/23/04 46% No route change One step change
Caltech Pasadena, California 5/17/04, 5/27/04 ~35% No route change Two diurnal changes
CESnet Prague, Czech Republic 3/15/04 46% No route change Long term step change
Daresbury Liverpool, UK 5/8/04 & 5/9/04 12% Possible route change Two step changes close together, second one several days long
INFN Milan, Italy 4/16/04 8% No route change Tiny change (8%), not worth looking at
U Indiana Bloomington, Indiana 5/10/04 - 6/6/04 26-44% No route changes Diurnal changes
Internet2 3/25/04 85% No route change Two step changes in very bursty time series
NERSC, Oakland, California 3/21/04 28-37% No route change Step up, followed by step down lasting 1.5 days, causing 2 events
NIKHEF Amsterdam, Netherlands 5/14/04 & 5/20/04 89% Route changes Two major step changes, each causing 2 triggers, each lasting couple of days
NIKHEF Amsterdam, Netherlands 4/29/04 81% Route change Step change for about 6 hours, causing one event
ORNL Knoxville, Tennessee 4/13/04 45% No route change Outage followed by step change with 2 events
TRIUMF Vancouver, Canada 3/31/04 90% No route change Single step change, one event
U Michigan Ann Arbor, Michigan 3/25/04 58% Route changes Lots of route changes, unstable, 2-3 hour step
U Florida Gainesville, Florida 04/10/04 - 05/04/04 ~ 54-60%   Diurnal changes