Phosphorus grid-enabled GMPLS control plane (G</sup /2>MPLS): architectures, services, and interfaces - Zervas, G.; Escalona, E.; Nejabati, R.; Simeonidou, D.; Carrozzo, G.; Ciulli, N.; Belter, B.; Binczewski, A.; Poznan, M.S.; Tzanakaki, A.; Markidis, G. (IEEE Communications MagazineIEEE Communications Magazine, 2008)