...
- However, access to a web server at the Beijing MA run by Guangzhou from outside China was not allowed.
- The ping_data.pl web page from inside China appears as:
- The ping_data.pl web page from inside China appears as:
- Also since the MAs from the PingER Android project did not want to have to run a web server, they needed a proxy to copy their data to. This proxy, in turn, has to be accessible from SLAC.
...
/nfs/slac/g/net/pinger/pingerreports/hep/<metric>/<metric>-<len>-<by>-<year>-<month>-<day>.txt.gz#len=100|1000, by=by-node|by-site./nfs/slac/g/net/pinger/pingerreports/hep/minimum_rtt/minimum_rtt-100-by-node-2011-05-01.txt.gz |
See https://confluence.slac.stanford.edu/display/IEPM/PingER+data+flow+at+SLAC for the data flow. The use of the proxy is triggered by the NODEDETAIL Data Server entry (e.g. proxy=1) to tell ping_data.pl to gather the data from the SLAC anonymous ftp server (via the copy)that is basically acting as a proxy.
...