The successful demonstration of simultaneous wide-area
multipoint transmission of HD streams for the broadband ubiquitous era
- World's first large scale confirmation on JGN of broadband content distribution by end users -

The Telecommunications Advancement Organization of Japan (hereinafter referred to as TAO, Headquarters: Minato-ku Tokyo, Chair: Futoshi Shirai) and Nippon Telegraph and Telephone Corporation (hereinafter referred to as NTT, Headquarters: Chiyoda-ku, Tokyo, President: Norio Wada) have jointly succeeded in demonstrating the realization of multi-origin, multi-program simultaneous content distribution of HD-class IP streams, on May 15, 2003. The experiment was conducted on the Japan Gigabit Network (JGN *1), a research network operated and administered by TAO. More than twenty video receiver sets located at four TAO own research facilities, namely Makuhari Gigabit research center (RC), Kochi traffic research center, and two annexes in Tohoku University and the University of Tokyo, were involved.

TAO press release (30. May 2003)

[For further information, contact]
Takahiro Kono, Keiji Nakamura
Research Advancement Department
Telecommunications Advancement Organization of Japan
Tel: 03-3769-6856

Minako Sawaki, Hirofumi Motai
Planning Division
NTT Science and Core Technology Laboratory Group
Tel: 046-240-5152

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