Patent ID: 7218607
Filing Date: 2007-05-15
Classification: H04J,H04Q

Abstract:
1. An optical communication network, comprising: a plurality of interconnected network node devices of an optical transport network; first and second transceivers; and a data connection switching unit; wherein data is transmitted to the second transceiver from the first transceiver via a working data connection via optical signals; and wherein the data connection switching unit is connected between the first transceiver and one corresponding network node device, with the data connection switching unit independently instigating setting up of a standby data connection between the first transceiver and the second transceivers by sending a data connection set up signaling signal to the corresponding network node device in which information referring to a desired connection path of the standby connection is included, wherein the standby data connection is to run at least partly disjointly relative to the working data connection and the standby data connection runs at least partially via a path other than the working data connection.