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40 IntroductionHigh quality video and audio distribution service is one of the most promising network applications for the broadband network. The deployment of digital cinema is stimulating many advanced applications that will use higher definition imaging systems beyond HDTV. The near-term video format called "4K" 1) has been defined as for digital cinema with a resolution of 4Kx2K pixels. The large numbers of movie theaters with pre-installed video projectors, large screens and audio systems, significantly decreases the cost of offering special, public live views of musicals and sports games ( The common problem when we use shared networks is the service quality problems caused by the relatively high packet loss rate and packer jitter. In order to resolve this problem, we have developed a high-speed reliable IP transmission system, which ensures network reliability over shared IP networks lying multiple domains. In this paper, we describe this transmission system and an experiment conducted on multi-domain global R&E networks to evaluate the feasibility of the Abstract We have developed a high-speed reliable IP transmission system for the live streaming of video content beyond HDTV. Secure IP Terminator is a key technology that consists of high-efficiency forward error correction, low jitter IP packet control and real-time encryption. The IP terminator offers extremely stable video transmission on shared networks constructed by multi-domain research and educational networks throughout the world. We verify system performance by transmiting coded Super Hi-Vision signals from London to Tokyo.

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