n-wave network monitoring
DESCRIPTION
N-Wave Network Monitoring. Dave Hartzell [email protected]. Current Network. Agenda. Active Monitoring Passive Monitoring Traffic Volume. Active Monitoring. PerfSonar Network distributed nodes Geographically distributed w/core nodes P erform periodic testing Minimally intrusive - PowerPoint PPT PresentationTRANSCRIPT
![Page 2: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/2.jpg)
For Official Use Only
Current Network
![Page 3: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/3.jpg)
For Official Use Only
Agenda
• Active Monitoring• Passive Monitoring• Traffic Volume
![Page 4: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/4.jpg)
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/
![Page 5: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/5.jpg)
For Official Use Only
Passive Monitoring
• GRNOC SNAPP• Netflow
![Page 6: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/6.jpg)
For Official Use Only
Passive: SNMP
• GRNOC SNAPP– Collection• Interface stats, CPU util, device temperature
– Archiving– Presentation
• https://snapp.bldc.nwave.noaa.gov/nwave
![Page 7: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/7.jpg)
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)
![Page 8: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/8.jpg)
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
![Page 9: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/9.jpg)
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
![Page 10: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/10.jpg)
For Official Use Only
Traffic Volume
Dec-11 Jan-12 Feb-12 Mar-12 Apr-120.0E+0
200.0E+12
400.0E+12
600.0E+12
800.0E+12
1.0E+15
1.2E+15
1.4E+15
1.6E+15
1.8E+15
RDHPCSOARCLASS
![Page 11: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/11.jpg)
For Official Use Only
CLASS-Apr 2012(Circos)
![Page 12: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/12.jpg)
For Official Use Only
CLASS-Apr 2012
![Page 13: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/13.jpg)
For Official Use Only
R&D HPCSMarch 2012(Circos)
![Page 14: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/14.jpg)
For Official Use Only
R&D HPCSMarch 2012(Circos)
![Page 15: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/15.jpg)
For Official Use Only
R&D HPCSApr 2012
![Page 16: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/16.jpg)
For Official Use Only
R&D HPCSApr 2012(Normalized)
![Page 17: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/17.jpg)
For Official Use Only
All N-WaveMarch 2012
![Page 18: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/18.jpg)
For Official Use Only
All N-WaveApril 2012
![Page 19: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/19.jpg)
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?)
![Page 20: N-Wave Network Monitoring](https://reader030.vdocuments.us/reader030/viewer/2022020117/56815fe8550346895dceecfa/html5/thumbnails/20.jpg)
For Official Use Only
The End.