Kee-Sung Nam

Apparatus and method for providing multi protocol label switching (MPLS)-based virtual private network (VPN)

Ethernet PON using time division multiplexing to converge broadcasting/video with data

Centralized control of multi protocol label switching (MPLS) network

System and method for controlling multicasting service

Ethernet passive optical network for integrating broadcast and communication based on time division multiplexing scheme

Apparatus and method for controlling layer 3 handover of mobile node

Complex network management system and method thereof

Handover control method and apparatus for efficiently buffering packets in wimax network

Ethernet passive optical network accommodating real-time broadcast/image signals and being capable of providing security for broadcast/image signals

Apparatus and method for performance management in MPLS network