Table 1.
A detailed comparison of switching technologies for WDM.
| Properties | Switching technology |
||
|---|---|---|---|
| OCS | OPS | OBS | |
| Utilization | Poor | High | Moderate |
| Bandwidth | Low | High | High |
| Setup latency | High | Low | Low |
| Granularity | Coarse | Fine | Moderate |
| Switching speed | Slow | Fast | Medium |
| Processing overhead | Low | High | Low |
| Traffic adaptability | moderate | High | High |
| Complexity | Low | High, not mature | Moderate |