Zenoh: The Edge Computing Data Fabric
summary
An open-source Eclipse protocol that unifies pub/sub, geo‑distributed storage and computation, implemented in Rust with a tiny C “Zenoh Pico” for microcontrollers (runs on Zephyr). It maps human keys to integers, provides queryable storages and eval functions, plugs to RocksDB/InfluxDB/MariaDB or MQTT/DDS bridges, and negotiates transports (Ethernet/IP/TCP/UDP/QUIC). Measured performance shows 3 million messages/sec and ~20 µs latency; large‑message tests hit around 64 Gbps throughput. Storage transcoding, pull‑sleep caching and set‑cover routing are implemented and reproducible.
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chapters (23)
- 0:00Intro
- 1:16The Data Journey
- 4:01Technological Fragmentation
- 4:15Decentralisation
- 7:17Computation Offloading
- 8:35Key Differences
- 10:52Smart Home Today
- 13:21Traditional Approach #1
- 20:12Peer-to-peer communication
- 20:38Brokered Communication
- 21:45Generalised Topology
- 23:39Selecting Data
- 25:46Primitives: Entities
- 27:13Primitives: Operations
- 28:49Storage
- 30:55Eval
- 37:02Protocol Summary Highlights
- 39:43Throughput (Gb/s)
- 46:56Getting Greetings
- 47:13Finding out Greetings
- 50:14Discovery Traffic Reduction
- 50:28Internet Scale Robotics
- 52:12References
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