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Pion SCTP with RACK is 70% faster with 30% less latency

In the RACK profile, SCP sustained 316 Mbps using ~0.044 CPU seconds, compared to 234 Mbps at ~0.056 CPU seconds before RACK. When normalized for CPU usage, this corresponds to a ~71% improvement in throughput per CPU, while max-burst CPU profiles remain comparable. SCTP is a low level protocol focused on reliable packet transmission.

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