1. Politecnico di Torino, Torino, Italy
2. Infinera, Munich, Germany
3. Fraunhofer Institute for Telecommunications Heinrich-Hertz-Institute, Berlin, Germany
4. Infinera, Carnaxide, 2790-078, Portugal
5. Scuola Superiore Sant’Anna, Pisa, Italy
6. Orange Labs, Lannion, France