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N-Wave Network Monitoring Dave Hartzelldavid.hartzell@noaa.gov Slide 2 For Official Use Only Current Network Slide 3 For Official Use Only Agenda Active Monitoring Passive Monitoring Traffic Volume Slide 4 For Official Use Only Active Monitoring PerfSonar Network distributed nodes Geographically distributed w/core nodes Perform periodic testing Minimally intrusive Reveals problems passive testing cannot https://ndb.ctc.nwave.noaa.gov/ https://ndb.ctc.nwave.noaa.gov/ Slide 5 For Official Use Only Passive Monitoring GRNOC SNAPP Netflow Slide 6 For Official Use Only Passive: SNMP GRNOC SNAPP Collection Interface stats, CPU util, device temperature Archiving Presentation https://snapp.bldc.nwave.noaa.gov/nwa ve https://snapp.bldc.nwave.noaa.gov/nwa ve Slide 7 For Official Use Only Passive: Netflow Passively sampled (1:1500 packets) Done at the core-network edge, outgoing Exported for archive (nfdump) Currently analyzed with Excel (go to Excel) Slide 8 For Official Use Only Applications Monitoring reveals: Health of the N-Wave Usage patterns of N-Wave User benefits Overall, there is a general agreement across the monitoring methods Slide 9 For Official Use Only Total Traffic Transported 60-70 TB/day peaks (March 2012): 1.4 PB in January 1.5 PB in February 1.7 PB in March 0.8 PB in April Slide 10 For Official Use Only Traffic Volume Slide 11 For Official Use Only CLASS- Apr 2012 (Circos) Slide 12 For Official Use Only CLASS- Apr 2012 Slide 13 For Official Use Only R&D HPCS March 2012 (Circos) Slide 14 For Official Use Only R&D HPCS March 2012 (Circos) Slide 15 For Official Use Only R&D HPCS Apr 2012 Slide 16 For Official Use Only R&D HPCS Apr 2012 (Normalized) Slide 17 For Official Use Only All N-Wave March 2012 Slide 18 For Official Use Only All N-Wave April 2012 Slide 19 For Official Use Only Monitoring Futures New PerfSonar flows? Multicast IPv6 Netflow Practical and/or tactical analysis tool, such as InMon, ManageEngine, SolarWinds ($) J-Flow (at the Juniper edge?) Slide 20 For Official Use Only The End.