## 7 Conclusions and Future Works
\begin{table}
\begin{tabular}{l l l l l l l l} \hline \hline
**Algorithm** & **Service** & **PSR** & **Latency (ms)** & **Algorithm** & **Service** & **PSR** & **Latency (ms)** \\ \hline PPO & pollution & 0.9092 (0.2510) & 16.929 (8.925) & DQN & pollution & 1.0000 (0.0000) & 18.800 (3.552) \\  & traffic & 0.6037 (0.2537) & 14.089 (4.625) & traffic & 0.9335 (0.0735) & 18.752 (5.177) \\  & video & 0.4093 (0.2435) & 13.389 (6.672) & video & 0.4570 (0.2538) & 14.515 (7.992) \\  & audio & 0.4238 (0.2254) & 15.970 (6.959) & audio & 0.2176 (0.2675) & 6.757 (7.608) \\  & healthcare & 0.7596 (0.2658) & 19.998 (5.111) & healthcare & 0.0506 (0.1311) & 1.957 (5.075) \\  & safety & 0.6733 (0.3500) & 18.847 (8.432) & safety & 0.0000 (0.0000) & 0.000 (0.000) \\ \hline GA & pollution & 1.0000 (0.0000) & 15.095 (2.902) & GA-ECT & pollution & 1.0000 (0.0000) & 17.594 (4.274) \\  & traffic & 0.8969 (0.1368) & 15.577 (4.969) & traffic & 0.9186 (0.1173) & 19.508 (5.038) \\  & video & 0.7074 (0.1483) & 19.829 (5.943) & video & 0.4649 (0.2382) & 14.773 (7.649) \\  & audio & 0.3040 (0.2825) & 13.186 (10.116) & audio & 0.3663 (0.3046) & 10.784 (9.727) \\  & healthcare & 0.8463 (0.0935) & 28.601 (0.2959) & healthcare & 0.3560 (0.3829) & 12.226 (12.308) \\  & safety & 0.7830 (0.1848) & 26.993 (4.832) & safety & 0.2653 (0.3548) & 9.790 (12.113) \\ \hline PSO & pollution & 1.0000 (0.0000) & 16.036 (5.071) & PSO-SCT & pollution & 0.9989 (0.0063) & 17.583 (5.460) \\  & traffic & 0.9508 (0.0197) & 15.932 (4.600) & traffic & 0.8813 (0.0963) & 17.434 (4.598) \\  & video & 0.8904 (0.0600) & 17.843 (5.272) & video & 0.7103 (0.1975) & 16.125 (5.028) \\  & audio & 0.8593 (0.0665) & 22.128 (6.267) & audio & 0.8277 (0.1554) & 19.306 (5.618) \\  & healthcare & 0.9448 (0.0298) & 28.411 (3.748) & healthcare & 0.9420 (0.0551) & 24.155 (3.118) \\  & safety & 0.9514 (0.0341) & 28.314 (4.622) & safety & 0.9550 (0.0410) & 25.412 (3.341) \\ \hline QPSO & pollution & 0.9989 (0.0063) & 17.025 (7.470) & QPSO-SCT & pollution & 0.9989 (0.0063) & 18.324 (7.581) \\  & traffic & 0.9671 (0.0148) & 18.050 (4.928) & traffic & 0.9348 (0.0308) & 17.828 (5.072) \\  & video & 0.9600 (0.0210) & 18.709 (3.730) & video & 0.7955 (0.1674) & 17.478 (4.990) \\  & audio & 0.9195 (0.0192) & 17.775 (4.858) & audio & 0.8723 (0.0635) & 18.059 (6.186) \\  & healthcare & 0.9782 (0.0104) & 26.267 (2.678) & healthcare & 0.9775 (0.0099) & 23.524 (2.742) \\  & safety & 0.9868 (0.0066) & 26.947 (3.765) & safety & 0.9833 (0.0083) & 24.247 (2.500) \\ \hline MPSO & pollution & 1.0000 (0.0000) & 16.858 (6.956) & MPSO-ECT & pollution & 1.0000 (0.0000) & 18.106 (7.762) \\  & traffic & 0.9616 (0.0129) & 16.570 (3.616) & traffic & 0.9335 (0.0299) & 17.946 (4.343) \\  & video & 0.9657 (0.0099) & 18.448 (3.985) & video & 0.8975 (0.0333) & 18.336 (4.390) \\  & audio & 0.9283 (0.0152) & 19.242 (5.559) & audio & 0.8971 (0.0419) & 17.381 (4.954) \\  & healthcare & 0.9782 (0.0069) & 25.115 (3.005) & healthcare & 0.9729 (0.0103) & 25.198 (3.423) \\  & safety & 0.9883 (0.0059) & 27.484 (3.909) & safety & 0.9824 (0.0105) & 24.545 (2.724) \\ \hline GWO & pollution & 1.0000 (0.0000) & 15.126 (3.246) & GWO-ECT & pollution & 0.9851 (0.0450) & 20.656 (5.850) \\  & traffic & 0.9442 (0.0269) & 14.525 (4.240) & traffic & 0.8705 (0.0938) & 16.759 (3.854) \\  & video & 0.8600 (0.0568) & 17.532 (4.250) & video & 0.8342 (0.0659) & 16.513 (4.259) \\  & audio & 0.7614 (0.0239) & 23.213 (5.385) & audio & 0.8590 (0.0609) & 18.126 (4.120) \\  & healthcare & 0.9261 (0.0685) & 28.298 (2.851) & healthcare & 0.9593 (0.0258) & 24.544 (2.087) \\  & safety & 0.9452 (0.0317) & 30.556 (2.023) & safety & 0.9789 (0.0124) & 24.834 (2.296) \\ \hline \hline \end{tabular}
\end{table} 
Table 10: Comparison of the average PSR and latency for different services across approaches; the standard deviation is enclosed in \(0\). experimental results showed that, given an adequate number of training steps, all approaches can find good-quality solutions in terms of the objective function.