Research Article
A Fast Optimization Method for Reliability and Performance of Cloud Services Composition Application
Table 1
Parameters of fault-tolerant cloud services and software versions.
| No. of cloud services | | | Software versions | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 1 | 1 | 1 | | 5 | 15 | 7 | 8 | 12 | 6 | — | — | | 17 | 10 | 20 | 32 | 30 | 75 | — | — | | 0.71 | 0.85 | 0.85 | 0.89 | 0.95 | 0.98 | — | — |
| 2 | 2 | 2 | | 5 | 15 | 7 | 8 | 12 | — | — | — | | 28 | 55 | 35 | 55 | 58 | — | — | — | | 0.71 | 0.85 | 0.85 | 0.89 | 0.95 | — | — | — |
| 3 | 4 | 3 | | 4 | 3 | 4 | 6 | 5 | 4 | 9 | 6 | | 17 | 20 | 38 | 38 | 48 | 50 | 41 | 63 | | 0.80 | 0.80 | 0.86 | 0.90 | 0.90 | 0.94 | 0.98 | 0.98 |
| 4 | 1 | 2 | | 12 | 16 | 17 | 17 | — | — | — | — | | 17 | 10 | 20 | 32 | — | — | — | — | | 0.75 | 0.85 | 0.93 | 0.97 | — | — | — | — |
| 5 | 3 | 1 | | 5 | 9 | 11 | 7 | 12 | — | — | — | | 30 | 54 | 40 | 65 | 70 | — | — | — | | 0.70 | 0.80 | 0.80 | 0.80 | 0.89 | — | — | — |
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