Toby Moncaster

Silo: Predictable Message Latency in the Cloud

Keon Jang, Justine Sherry, Hitesh Ballani, Toby Moncaster
Appears in: 
CCR August 2015

Many cloud applications can benefit from guaranteed latency for their network messages, however providing such predictability is hard, especially in multi-tenant datacenters. We identify three key requirements for such predictability: guaranteed network bandwidth, guaranteed packet delay and guaranteed burst allowance. We present Silo, a system that offers these guarantees in multi-tenant datacenters. Silo leverages the tight coupling between bandwidth and delay: controlling tenant bandwidth leads to deterministic bounds on network queuing delay.

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