Research Article
Universal Method for Constructing Fault-Tolerant Optical Routers Using RRW
Table 2
Design features of several fault-tolerant optical routers compared to RRW-based scheme.
| Routers | Default MRs | Additional MRs | Total MRs | Max. No. ON-MRs (default) | Max. No. ON-MRs (backup) |
| RO-Uni | 26 | 14 | 40 | 1 | 2 | RO-Votex | 24 | 14 | 38 | 1 | 2 | FTTDOR | 22 | 10 | 32 | 2 | 3 | NRFT | 20 | 8 | 28 | 4 | 5 | RRW-crossbar | 20 | 10 | 30 | 1 | 2 | FT-crossbar | 20 | 13 | 33 | 1 | 3 | RRW-ODOR | 12 | 10 | 22 | 1 | 2 | FT-ODOR | 12 | 10 | 22 | 1 | 3 | RRW-Crux | 12 | 10 | 22 | 1 | 2 | FT-Crux | 12 | 10 | 22 | 1 | 3 | RRW-Cygnus | 16 | 10 | 26 | 1 | 2 | FT-Cygnus | 16 | 10 | 26 | 1 | 3 |
|
|