2 0 2 1 2 0 0 7 2 0 0 6 2 0 0 5 2 0 0 4 2 0 0 3 2 0 0 2 2 0 0 1 2 0 0 0 1 9 9 9 1 9 9 8 1 9 9 7 1 9 9 6   1 9 9 5~     2007 Development of Interworking Framework between WPAN(Wireless Personal Area Network) and NEMO(Network Mobility) Samsung 2007 Research of Next Generation Network Technology to Support Efficient Channel Service in IPTV networks KT 2007 Research of Unreliable TCP Protocol NSRI 2007 Research of Protection for Integrated Wired and Wireless ALL-IP Network and Service Infrastructure ETRI 2007 NEMO Based Interworking Architecture between Sensor Network and Various Mobile Networks, and Its Security Framework (the 2nd year) KRF 2007 Development of Communication Module and Security Module Based on ZigBee for Standby Power Reduction (the 3rd year) VITZRO 2007 Research of Security for Ubiquitous Oriented Network (the 2nd step, the 2nd year) ITEP