NETWORK STRUCTURE FOR PROVIDING EXISTING NETWORK SERVICES AND NEXT-GENERATION NETWORK SERVICES WITH A SELF RESTORING FUNCTION AND A METHOD FOR CONFIGURING AN OPTICAL PATH IN THE NETWORK STRUCTURE, CAPABLE OF EFFECTIVELY PROVIDING IMPROVED SERVICES INCLUDING NEXT-GENERATION SERVICES

摘要

PURPOSE: A network structure for providing existing network services and next-generation network services with a self restoring function and a method for configuring an optical path in the network structure are provided to satisfy evolution to a new NG-PON(New-Generation Passive Optical Network) service and performance upgrading, thereby flexibly releasing a restoring function which drastically improves reliability of a network.;CONSTITUTION: A central base station comprises the first legacy PON OLT and the second WDM-PON OLT. The first legacy PON OLT offers an existing PON service. The second WDM-PON OLT offers an NG-PON service. A remote node(RN) comprises the first and second MUX/DEMUX.;COPYRIGHT KIPO 2010