Research Article
Optical Network Models and Their Application to Software-Defined Network Management
Table 2
Evaluation of the selected optical models.
| ā | TAPI | TE topology | OpenConfig | OpenROADM |
| Classification [16] | Network/standard | Network/standard | Device (+network)/vendor | Device/vendor | Topology representation | Yes | Yes | No | Yes | Path computation interface | Yes | No (TED for PCE) | No | No (TED for PCE) | Network wide operations (e.g., services) | Yes | Only with active PCE | No | Yes | Explicit device configuration | No | High level | Yes | Yes | Notifications and performance monitoring | Notifications (alarms and PM planned) | Notifications | Yes | Yes | Network virtualization | Yes | Yes | No | No | Interworking with other layers | Predefined set | Through extensions | On a device basis | Transponders and pluggables | Flexible DWDM grids | No | Yes (extension) | No | No |
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