系统内冗余或重复数据的度量,表明存储和潜在性能问题效率低下。
1 RF = 0.727 EP
1 EP = 1.375 RF
例子:
将15 可靠性因素转换为错误保护冗余:
15 RF = 10.909 EP
| 可靠性因素 | 错误保护冗余 |
|---|---|
| 0.01 RF | 0.007 EP |
| 0.1 RF | 0.073 EP |
| 1 RF | 0.727 EP |
| 2 RF | 1.455 EP |
| 3 RF | 2.182 EP |
| 5 RF | 3.636 EP |
| 10 RF | 7.273 EP |
| 20 RF | 14.545 EP |
| 30 RF | 21.818 EP |
| 40 RF | 29.091 EP |
| 50 RF | 36.364 EP |
| 60 RF | 43.636 EP |
| 70 RF | 50.909 EP |
| 80 RF | 58.182 EP |
| 90 RF | 65.455 EP |
| 100 RF | 72.727 EP |
| 250 RF | 181.818 EP |
| 500 RF | 363.636 EP |
| 750 RF | 545.455 EP |
| 1000 RF | 727.273 EP |
| 10000 RF | 7,272.727 EP |
| 100000 RF | 72,727.273 EP |