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NICT REPORT 23FY2017, we transferred technology to do-mestic corporations by using a high-speed file transfer tool based on the HpFP proto-col developed prior to FY2016, and we also used this tool to transfer data to the mirror sites. As a result, we were able to transmit files at up to 700 Mbps on JGN/APAN.Demonstration of ultra wide-band network applicationsIn addition to R&D on testbed infra-structure, we have also been working on demonstrations of ultra wideband network applications on the JGN ultra high speed network testbed. In particular, with a view to the forthcoming era of 8K broadcasting, we have been conducting experimental long-distance transmission of uncom-pressed 8K video streams, which will be required for content creation systems. Dur-ing the Sapporo Snow Festival in FY2017, we built an extremely large multipath net-work using the Asia Pacific Ring (APR), which consisted of the JGN Asia 100 Gbps line and the 100 Gbps lines of other orga-nizations in the Pacific Rim region. On this network, we successfully performed multi-cast transmission of uncompressed 8K video streams (Fig.2). This experiment was performed with the cooperation of 53 or-ganizations, including the National Insti-tute of Informatics, the WIDE Project, Kanagawa Institute of Technology, Trans-PAC, Pacific Wave, Internet2 and other na-tional and overseas research institutes and network equipment vendors.Verifying the operation of virtual IoT devicesAt StarBED, we have been promoting R&D of wireless emulation technology to model the characteristics of wireless net-works in wired networks and validate soft-ware used for wireless environments. In FY2017, we expanded the range of cases that can be verified by building a new Bluetooth Low Energy (BLE) emulation platform called BluMoon to provide com-patibility with the BLE system used by IoT devices.Fig.2 : Multipath multicast transmission of uncompressed 8K video streams via the Asia Pacic Ring (APR)The creation of a unique community-based IoT service infrastructure, which functions as a cost-effective local information sharing net-work, has been challenged in Tokyo area since June 2017, utilizing NICT’s large scale sensor and cloud facility “JOSE.” The infra-structure can help with sharing socially-valu-able data among the community in a cost-ef-fective way based on a technology combining the multi-hop communications and the op-portunistic network principle using multiple unlicensed-band wireless interfaces such as Wi-Fi, Bluetooth, and Wi-SUN. We have achieved to deploy more than 100 wireless IoT routers on vending machines and taxis that are actually operating in Tokyo by the end of October in 2018, and we have performed the proof-of-concept of some applications that would be effective as the use cases for the IoT service infrastructure; such as an alert system for car drivers to avoid a traffic accident, a support system to search for a missing elderly, and a support system for taxi drivers to effec-tively find new passengers. Demonstration of community-based IoT ser-vice infrastructure using vending machines and taxis in TokyoIoT tagLicense: openstreetmap.org opendatacommons.org creativecommons.orgOver 100 IoT wireless routers deployedon Vending Machines and TaxisWi-SUN/BLE Hybrid 1 chip Beacon Beacon Solutionswith sensor-driven operationWi-SUN antennaWireless IoT routerLocation map of vending machines in Sumida-ward(purple-colored: Vending Machine with Iot device)Alert Services for Drivers to avoid a traffic accident &to search for a missing elderlyFind the missing elderly!Pis. Watch out a child!Potential passenger!Research and Development