Nippon Telegraph and Telephone Corporation

Hosiden Corporation

Hiroshi Saito

Yasuhiro Ukai

Shigeo Aoki

Tomihisa Sunata

Kinya Kato

Tsutomu Wada

Koki Mitani

Hirotada Honda

Tadamichi Kawada

Takanobu Nakagawa

Nobuhiko Kakuda

Kiyoshi Taruta

Masamichi Okamura

An accommodation form search apparatus includes a computation unit that computes a failure rate of each of physical links forming a physical network based on information indicating a disaster-affected area; and a search unit that searches for an accommodation form with which a disconnection rate computed based on the failure rate of each physical link is reduced for a path of an accommodated network to be accommodated into a logical network which is configured utilizing the physical network. The search unit searches for the accommodation form treating a plurality of accommodated networks having the same physical path as a single accommodated network, thus improving the efficiency of calculation of the accommodation form for the accommodated networks.

Accommodation mode search apparatus, accommodation mode search method and program

A storage form searching device includes a calculator configured to calculate a failure rate of each physical link constituting a physical network based on information representing a disaster-affected area; and a searcher configured to search for a storage form for one or more stored networks stored in a logical network configured by using the physical network, wherein the storage form makes a cut-off rate calculated based on the failure rate of said each physical link smaller, so as to improve controllability of the stored network with respect to a disaster.

Storage form searching device, storage form searching method, and program

A method and an apparatus for the cell loss rate estimation in an integrated network, capable of highly accurate estimation which is not too small compared with the actual cell loss rate. In the apparatus, inputting probability density functions of number of arriving cells and an average number of arriving cells for a prescribed constant period of time; calculating a weighted sum of the probability density functions of number of arriving cells, using weight factors which depend on a buffer capacity of the output buffer and a link capacity of the integrated network; and obtaining an estimation value for the cell loss rate by dividing the weighted sum by the average number of arriving cells. These method and apparatus for the cell loss rate estimation are applied to a method and an apparatus for the call admission control as well as a method and an apparatus for the buffer/link capacity designing.

Method and apparatus for cell loss rate estimation, call admission

In an active matrix structure for liquid crystal display elements which includes pixel electrodes arranged in a matrix form on a glass base plate, thin film transistors having their drains connected to the pixel electrodes, respectively, data lines each connected to sources of the thin film transistors of one column and gate lines connected to gates of the thin film transistors of one row, there are provided in the same plane a light blocking layer disposed opposite each of the thin film transistors across an insulating layer, a storage capacitance electrode disposed partly opposite each of the pixel electrodes across the insulating layer and storage capacitance lines for interconnecting the capacitance electrodes. The light blocking layers, the storage capacitance electrodes and the storage capacitance lines are formed of the same material and at the same time.

Active matrix structure for liquid crystal display elements wherein each

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Musashino, Japan

Hiroshi Saito