Software-Defined Networks for Optical Networks Using Flexible Orchestration: Advances, Challenges, and Opportunities

Table 1

Search string selection.

String	Batch 1 (B1)	Batch 2 (B2)
String 1 (S1)	Software-defined networking	Optical networks
String 2 (S2)	Software-defined networking	Optical networks
String 3 (S3)	Software-defined network	Optical networks
String 4 (S4)	Software-defined networks	Optical networks
String 5 (S5)	SDN
String 6 (S6)	Software-defined network
String 7 (S7)	Software-defined networks
String 8 (S8)	Software-defined optical networks
String 9 (S9)	ONOS	SDN
String 10 (S10)	ONOS	Optical
String 11 (S11)	ONOS	Disintegration

Search string: ([S1, B1] OR [S2, B1] OR [S3, B1] OR [S4, B1] OR [S5, B1] OR [S6, B1] OR [S7, B1] OR [S8, B1] OR [S1, B2] OR [S2, B2] OR [S3, B2] OR [S4, B2]) OR [S9, B1] OR [S9, B2] OR [S10, B1, B2] OR [S11, B1] OR [S11, B2].