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 = 1.143 CR
1 CR = 0.875 RF
例子:
将15 可靠性因素转换为频道冗余：
15 RF = 17.143 CR
| 可靠性因素 | 频道冗余 |
|---|---|
| 0.01 RF | 0.011 CR |
| 0.1 RF | 0.114 CR |
| 1 RF | 1.143 CR |
| 2 RF | 2.286 CR |
| 3 RF | 3.429 CR |
| 5 RF | 5.714 CR |
| 10 RF | 11.429 CR |
| 20 RF | 22.857 CR |
| 30 RF | 34.286 CR |
| 40 RF | 45.714 CR |
| 50 RF | 57.143 CR |
| 60 RF | 68.571 CR |
| 70 RF | 80 CR |
| 80 RF | 91.429 CR |
| 90 RF | 102.857 CR |
| 100 RF | 114.286 CR |
| 250 RF | 285.714 CR |
| 500 RF | 571.429 CR |
| 750 RF | 857.143 CR |
| 1000 RF | 1,142.857 CR |
| 10000 RF | 11,428.571 CR |
| 100000 RF | 114,285.714 CR |
规则