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Resource usage and system performance among different network models are listed here. The result shows that CPU-pinning compounded the CPU workload. In both the bare-metal model and the Cloud-native model using SR-IOV, CPU utilization reached 46% and 45% respectively. Meanwhile, the two remaining models were slightly more resource-conscious, approaching approximately 40% in CPU utilization. The result also confirms the synergy between CPU-pinning and SR-IOV. In fact, the Cloud-native model using SR-IOV and CPU-pinning achieved 70.000 TPS, 1.5 times the TPS obtained by the bare-metal model without CPU-pinning (which was only 50.000 TPS). Therefore, this model may help vOCS serve significantly more customers. Interestingly, the latency did not go up but rather dropped to 2.87 ms. That said, the differences in latency among the four models were negligible.
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IEEE/ICACT20220041 Slide.21
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