Table 4 Summary of results for fog and cloud architectures.

From: Real time smart parking system based on IoT and fog computing evaluated through a practical case study

Metric

Case 1

Case 2

Case 3

Case 4

Case 5

Case 6

Fog

Cloud

Fog

Cloud

Fog

Cloud

Fog

Cloud

Fog

Cloud

Fog

Cloud

Latency

14.65

209.25

14.80

210.67

15.71

211.62

108.96

741.77

263.70

1624.5

367.34

2213.10

Exec cost

3.60

1.27

7.31

2.27

1.13

3.35

1.32

3.86

1.32

3.86

1.32

3.86

Exec time

1242

1633

2638

3607

4157

5755

5784

8055

6745

9415

7859

10989

Network usage

2.25

3.08

5.09

6.20

7.97

9.36

9.71

11.36

9.88

11.45

10.06

11.65

  1. Latency (ms); Execution Cost (\(\times 10^4\)); Execution Time (ms); Network Usage (MB \(\times 10^{4}\)). The MB values represent simulated image-based data transmission rates, assuming periodic static image capture (every 5 s) and simplified metadata extraction at the edge
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