Abstract:In this paper, we will discuss our on-going effort for OF@TEIN SDN (Software-Defined Networking) testbed, which currently spans over Korea and five South-East Asian (SEA) collaborators with internationally deployed OpenFlowenabled SmartX Racks.

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6LoWPAN is Low power Wireless Personal Area Network based on IPv6 and IEEE802.15.4. It is used for IM Network transmission of IPv6 packets. But there are no ways for IPv4 S hosts to connect 6LoWPAN, current Internet users can't use N) 6LoWPAN until IPv6 is deployed. In this paper, we propose the * DB Methods to use 6LoWPAN in IPv4 network so that IPv4 user can also utilize 6LoWPAN techniques. /Pv4 Netwk Keywords 6LoWPAN, IPv6, IPv4, 802.15.4

We demonstrate a real-time 25-Gb/s PON prototype with ethernet-PON MAC/PHY, O-band transmitter, and cost-effective APD receivers. With applying parasitic inductance and capacitance reduction, the frequency response of 25-Gb/s APD ROSA with TO46-pacakge is improved to support high receiver sensitivity around -25 dBm at the BER of 10^-3. The 30 dB power budget of 25 Gb/s downstream is achieved at the BER of 10^-3. With long-term ethernet packet transmission, 25 Gigabit and 10 Gigabit ethernet traffics are successfully transmitted through the 20-km SMF over 14 hour's observation window. Furthermore, QoS and bandwidth re-assignment function of the 25-Gb/s PON prototype are successfully demonstrated with respect to residential, business and mobile backhaul services in ONUs.