Protection in optical transport networks with fixed and flexible grid: Cost and energy efficiency evaluation

Jorge López Vizcaíno, Yabin Ye, Víctor López, Felipe Jimenez, Francesco Musumeci, Massimo Tornatore, Achille Pattavina, Peter M. Krummrich. Protection in optical transport networks with fixed and flexible grid: Cost and energy efficiency evaluation. Optical Switching and Networking, 11:55-71, 2014. [doi]