Kunihiro Yamamoto, Masahide Ogawa, Tetsuhiro Yamashita and Masao Sasaki
Abstract
The optical fiber cable networks that form the backbone of high-speed communications are increasingly being laid using the vacant spaces along rivers and roads, and in sewer conduits. This requires a system that can maintain and control, efficiently, accurately and on a nation-wide scale, the changing conditions of cable installation and usage for each fiber. It is to respond to this need that we have developed a wide-area optical fiber network monitoring and management system, to provide maintenance and control of optical fiber networks.
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