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This is run twice nightly by the trscrontab on pinger@pinger.slac.stanford.edu to ping the target www.slac.stanford.edu. The first time is to use the enabled landmarks, the second time is to use the disabled landmarks. Reflector.cgi has to run on www-wanmon since that is where the PlanetLab cookie is kept. Since one cannot remotely run a trscronjob on www-wan mon, there is a script (reflector.pl) to execute reflector.cgi twice (with ability=1 and then ability=0) via a wget command. The first time it uses all enabled landmarks (the default or ability=1). The second time it uses the disabled landmarks (or ability=0). Running it regularly ensures the tulip log files are current and therefore the analysis is also current.
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