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Challenges in per-hop per-flow Flow Co
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Classroom Contents
Backpressure Flow Control
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- 1 Intro
- 2 Lots of Existing Congestion Control Prot . Congestion control goals
- 3 E2E Feedback Loops are too slow for • High feedback delay: network round-trip-time (E2E RTT) Acting on stale information can hurt performance
- 4 Link Speed | Uncontrolled Traffic • No feedback in the first RTT
- 5 Challenges in per-hop per-flow Flow Co
- 6 Backpressure Flow Control (BFC)
- 7 Only Track Active Flows • Active flow: flow with packets queued at the sw
- 8 Dynamic Queue Assignment
- 9 Communicate State across Swita
- 10 Evaluation: Simulation (Incast)
- 11 Thank You • Per-hop per-flow flow control is great
