Monitoring and Data Analytics for Optical Networking: Benefits, Architectures, and Use Cases. - Luis Velasco 001; Marc Ruiz 001; Filippo Cugini; Ramon Casellas; Anna Chiado Piat; O. Gonzlez; Andrew Lord; Antonio Napoli; Patricia Layec; Danish Rafique; Antonio D'Errico; Daniel King (IEEE Netw., 2019)