Monitoring“You can’t manage what you can’t measure”

• Many major HEP sites are monitoring end-to-end Internet performance to collaborators

  • several hundred remote sites monitored

• Main tool ping, provides loss, response, availability

• Plan to coordinate effort, centered on SLAC/HEPNRC code

  • install common software (beta testing at Umd & RAL)
  • distributed architecture
  • SLAC, HEPNRC analysis sites
  • Umd, RAL, IN2P3, CERN, DESY, TRIUMF, KEK, INFN, MSU signed up to be collection sites

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