Method and system for restoring and recovering traffic in multi-layer communication networks after two or more failures and virtual controller device

• Main Authors: GONZALEZ DE DIOS, OSCAR, LOPEZ ALVAREZ, VICTOR, MUÑOZ DEL NUEVO, FERNANDO
• Format: Patent
• Language: English; French; German
• Published: 01.04.2015
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The method in order to recover said traffic from a second failure uses at least one virtual controller device for establishing, for a selected pair of upper layer nodes of a network, an alternative path through a lower layer of said network for conducting traffic, and for deleting selected paths thr...