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The script uses asynchronous I/O to talk simultaneously with up to 5 landmarks20 landmarks. Up to 5 copies of reflector.cgi can be running simultaneously.
For the Planetlab landmarks an interpretive script is supplied with the target embedded. For the SLAC ping servers and the Looking glass sites the landmark is accessed by a URL provided in the sites.txt file (see below) in the PingSites token (e.g. http://www.slac.stanford.edu/cgi-wrap/nph-traceroute.pl?choice=yes&function=trace&target=$target
).
Files
The list of SLAC and Looking Glass landmarks is read from /afs/slac/www/comp/net/wan-mon/tulip>ne sites.txt. the format is space separated tokens:
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