From Polling to Streaming: Network Monitoring with Real-Time Telemetry
summary
Explains why SNMP polling fails at scale and shows a working replacement: push-based streaming telemetry using gnmi over gRPC with OpenConfig models to normalize multivendor data. Describes a collector-based stack (telegraf plugin → TSDB → Grafana), gives concrete guidance to precompute 1/5/15‑minute rates at ingest, recommends topology‑aware alert deduplication, and cites deployments with ~500+ devices streaming telemetry in production.
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chapters (10)
- 0:00Introduction and agenda
- 1:46Challenges in network monitoring
- 6:02Limitations of SNMP protocol
- 9:11Reimagining telemetry for modern needs
- 11:19OpenConfig data models explained
- 14:54GNMI protocol overview
- 17:46Software stack for monitoring
- 19:13Best practices for metrics
- 20:58Alerting strategies and topology
- 23:49Q&A session
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