Fujitsu Corporation

Nobuo Sashida

Kazuhiko Hata

Tatsuya Shoho

Danasiri Wijedasa Dewagamage

Toshihiro Furudate

Kazushige Saito

A transmission device includes: a calculation unit to detect abnormal traffic based on a traffic volume collected for the route and to calculate a traffic increase/decrease time and a traffic increase/decrease volume of the abnormal traffic; a normal prediction graph generation unit to generate a normal prediction graph based on the traffic volume in normal time in which the abnormal traffic is not detected; a prediction graph generation unit to generate an abnormal prediction graph based on the traffic increase/decrease time and the traffic increase/decrease volume of the abnormal traffic in detection of the abnormal traffic; an order determination unit to determine a line order that is a priority order of line allocation for the route based on the normal prediction graph or the abnormal prediction graph; and an optimization unit to determine lines that are to be allocated to the route based on the line order.

Transmission device, control card, and transmission method

A first interface board includes a first signal processing unit that performs a predetermined process on a signal. A second interface board includes a second signal processing unit that performs the predetermined process on a signal. When no failure occurs in both interface boards, a switching control unit selects the first interface board. When a failure occurs in the first interface board, the switching control unit selects the second interface board. When there is no failure in both the interface boards and the first interface board does not satisfy a predetermined degradation condition, the electrical power supply control unit supplies electrical power to the first interface board and prohibits the supply of electrical power to the second interface board. When there is no failure in both the interface boards but the predetermined degradation condition is satisfied, the electrical power supply control unit supplies electrical power to both the interface boards.

Growing community of inventors

Sagamihara, Japan

Nobuo Sashida