Adelbert Groebbens, Didier Colle, Sophie De Maesschalck, Ilse Lievens, Mario Pickavet, Piet Demeester, Lan Tran, Kris Steenhaut, Ann Nowé. Efficient Protection in MPλS Networks Using Backup Trees: Part One - Concepts and Heuristics. Photonic Network Communications, 6(3):191-206, 2003. [doi]
Abstract is missing.