Optical Network Models and Their Application to Software-Defined Network Management

Table 2

Evaluation of the selected optical models.

	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