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Example: Efficient congestion control in software
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Classroom Contents
Datacenter RPCs Can Be General and Fast
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- 1 Intro
- 2 Modern datacenter networks are fast
- 3 Existing networking options sacrifice performance or generality
- 4 Specialization for fast networking
- 5 eRPC provides both speed and generality
- 6 Managing packet loss
- 7 In low-latency networks, switch buffers prevent most loss
- 8 All modern switches have buffers BDP
- 9 Low-overhead transport layer
- 10 Example: Optimized DMA buffer management for rare packet loss
- 11 Example: Efficient congestion control in software
- 12 Datacenter networks are usually uncongested
- 13 Congestion control, fast and slow
- 14 Easy integration with existing applications
- 15 Takeaway: Given fast packet 10, we can provide fast networking in software
- 16 Together, common case optimizations matter
