PowerMan: An Out-of-Band Management Network for Datacenters Using Power Line
summary
PowerMan embeds management traffic onto datacenter power wiring using commodity power line communication modems (1 Gbps PHY, ~$30 each) and redesigned PDUs/PSUs to avoid extra cabling. A 2-layer 12-server prototype with 16 PLC modems demonstrates full connectivity, typical management throughput above 14 Mbps and median RTT under 14 ms, while per-circuit PLC limits (6–64 modems) motivate a tree of PDUs to reach up to 250,000 PSUs. Authors claim half to one‑third the component cost and 6–9% of the power of alternative designs.
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chapters (9)
- 0:00Introduction
- 1:05Datacenter Management Network
- 7:21Outline
- 12:55Scalability
- 16:17Implementation Performance
- 17:08Benchmarks
- 18:21Performance
- 19:10Cost
- 20:09Conclusion
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