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Ethernet-Based IPTV Video Transported over SDH InfrastructureAugust 11, 2008: China Radio International (CRI) has selected access equipment from RAD Data Communications to enable it to transmit video on demand (VOD) from the 2008 Olympic Games in Beijing. CRI, which maintains a video server at the Olympics, recommended RAD's RIC-155GE Gigabit Ethernet over STM-1 network termination unit (NTU) to China Telecom as a reliable gateway for transmitting its Ethernet-based video feed over existing SDH lines to various provincial capitals, including Chengdu (in Sichuan), Xian (in Shaanxi) and Changsha (in Hunan). Using virtual concatenation technology, the RIC-155GE maps the video streams into VC-4 containers for transport across long-haul fiber connections. CRI first deployed RAD’s RIC-155GE in 2006 to run Ethernet-based video over traditional STM-1 circuits. "CRI's previous deployment of the RIC-155GE to carry Ethernet-based services over both wired and wireless SDH transport networks gave them the confidence to propose this solution to China Telecom for their mission-critical IPTV-based Olympics coverage," states Jeremy Zimman, Director of Operations in Greater China at RAD Data Communications. "The RIC-155GE is guaranteed to be a big winner at the Beijing Olympics." Migration Path for Future-Ready IP DevicesRAD's RIC-155GE NTU provides carriers and service providers with a migration path for connecting IP devices with Gigabit Ethernet interfaces to existing SDH or SONET networks at an access rate of 155 Mbps. It is part of RAD's suite of EtherAccess family of Ethernet access solutions. EtherAccess enables Quality of Service over low and high-speed SDH/SONET and PDH circuits from fractional and full E1/T1, E3/T3 and STM-1/OC-3 circuits to Gigabit Ethernet. About China Radio InternationalChina Radio International broadcasts a wide variety of programming both domestically and internationally over both radio and television. Founded in 1941, CRI is one of the three central media organizations in China, along with China National Radio (CNR) and China Central Television (CCTV).
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