a real look at telemetry for network monitoring...so we had an idea… • collect everything and...

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Page 1: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the
Page 2: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

A real look at Telemetry for network monitoring

By Jacques du Toit

LINX 100

Page 3: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

Rememberthese?

Page 4: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

Sowehadanidea…

•  Collecteverythingandsortlater•  ISPfocussed•  Wedidthegood•  Wedidthebad•  Wedidtheugly•  7yearslaterwearestilllearningnewthings

Page 5: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

Theevolutionofmonitoring

•  Mountainsofdata•  SNMPistooslow•  Pushvs.pull•  Real-timereporting•  SDN•  Humansaretooslow

Page 6: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

WhyisTelemetrycool?

•  Streamingtechnology•  Nomoregetbulk()–yay!•  Templatebasedperdevice•  JSON/GPB•  FamiliarYANGmodeling•  Popularwithvendors

Page 7: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

AnexampleofTelemetrydeployment

User

Grafana Application

InfluxDB(TSDB) ElasticSearch(Metadata)

Telegraf

ApacheKafka

Open-NTI CiscoPipeline IntelSNAP

TheNetwork

UI/BI

Datastreamingprocessing

Telemetryprobes

Sourcedata

StorageKapacitor

Page 8: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

Sowhataboutstorage?

•  Properbigdatasolutionsneededhere•  Horizontallyscalabilityiskey•  Partitioneddata•  Timeseriesdatabasesarethenewhottopic

Page 9: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

IsTelemetryreallyasilverbullet?

Page 10: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

Someopensourceprojects

•  OpenNTI•  CiscoPipeline•  Intel-SNAP•  Telegraf(TICK)•  Grafana•  Comeandtalktous!

Page 11: A real look at Telemetry for network monitoring...So we had an idea… • Collect everything and sort later • ISP focussed • We did the good • We did the bad • We did the

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