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What is going on in a datacenter that motivates a protocol like this? I admit I am ignorarant. Is it for internal allocation, say traffic between Kubernetes nod

by mongol 2y ago

What is going on in a datacenter that motivates a protocol like this? I admit I am ignorarant. Is it for internal allocation, say traffic between Kubernetes nodes, this is envisioned?

nine_k 2y ago
AFAICT Homa is intended to let machines on the same rack, or maybe VMs on the same hardware, to talk with very low latency. It allows to start a communication with zero ceremony, and make the server code as stateless as possible, not even caring to keep a connection, but rather marking the response with the same ID as the request had, and let the receiver sort it out.
- bombcar 2y ago
  What’s the advantage of something like Homa over just using raw Ethernet packets?
  - nine_k 2y ago
    The built-in routing, flow control, and congestion control? Like, the actual protocol on top of IP on top of Ethernet frames.