A real look at Telemetry for network monitoring

By Jacques du Toit

LINX 100

Rememberthese?

Sowehadanidea…

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

Theevolutionofmonitoring

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

WhyisTelemetrycool?

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

AnexampleofTelemetrydeployment

User

Grafana Application

InfluxDB(TSDB) ElasticSearch(Metadata)

Telegraf

ApacheKafka

Open-NTI CiscoPipeline IntelSNAP

TheNetwork

UI/BI

Datastreamingprocessing

Telemetryprobes

Sourcedata

StorageKapacitor

Sowhataboutstorage?

•  Properbigdatasolutionsneededhere•  Horizontallyscalabilityiskey•  Partitioneddata•  Timeseriesdatabasesarethenewhottopic

IsTelemetryreallyasilverbullet?

Someopensourceprojects

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

www.irisns.com/linx100