Measurement Methodology
Measurement Methodology
- Three monitoring/analysis sites (ORNL, FNAL/HEPNRC, SLAC
- starting to deploy monitoring swr to clients
- End-to-end ping monitoring about 200 hosts (not routers) in about 10 countries
- Every 30 mins ping each host with 11 * 100 byte followed by 10 * 1000 byte pings
- Min separation of pings is 1 second, timeout 20 seconds
- Throw away first ping
- Measure response, packet loss, host unreachable
- Data goes back over 2 years