Electronics and Telecommunications Research Institute

Tae Ii Kim

Jong Hyun Lee

Hyeong Ho Lee

Jae Doo Huh

Bin Yeong Yoon

Jung Sik Sung

Soo Myung Park

A method for providing a protection switching service in a virtual tenant network (VTN) and a controller are provided. The method enables a real-time protection switching setup on a VTN path in order to provide reliability of a VTN service.

Method for providing protection switching service in virtual tenant network and controller therefor

An apparatus and method for supporting quality of services (QoS) for respective subscriber classes for an Ethernet passive optical network (E-PON) are provided. The method for supporting QoS includes specifying bandwidths and subscriber classes for respective ports for a plurality of subscriber termination systems connected to a service provider termination system; based on the bandwidth information, allocating bandwidths for respective subscriber ports of the subscriber termination systems; based on the subscriber class information, assigning IP addresses to respective subscriber of the subscriber termination systems according to subscriber class; and by using the bandwidths and IP addresses, supporting QoS according to subscriber class in transmitting and receiving data between the service provider termination system and the subscriber termination systems.

Apparatus and method for supporting quality of service in Ethernet passive optical network system

Growing community of inventors

Daejeon-si, South Korea

Tae Ii Kim