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Featured researches published by Hiroaki Komine.


global communications conference | 1990

A distributed restoration algorithm for multiple-link and node failures of transport networks

Hiroaki Komine; Takafumi Chujo; Takao Ogura; Keiji Miyazaki; Tetsuo Soejima

Fast restoration of broadband optical fiber networks from multiple-link and node failures, as well as single-link failures, is addressed. A distributed restoration algorithm based on message flooding is described. The algorithm is an extension of a previously proposed algorithm for single-link failure. It restores the network from multiple-link and node failures, using multidestination flooding and path route monitoring. Computer simulation of the algorithm verified that it can find alternate paths within 0.5 s, whenever the message processing delay at a node is 5 ms.<<ETX>>


Archive | 1990

Method for searching for alternate path in communication network

Takafumi Chujo; Hiroaki Komine; Keiji Miyazaki; Takao Ogura; Tetsuo Soejima


Archive | 1991

Communication system using establishing network route

Hiroaki Komine; Takafumi Chujo; Keiji Miyazaki; Takao Ogura; Tetsuo Soejima


Archive | 2000

Data management apparatus storing uncomplex data and data elements of complex data in different tables in data storing system

Hiroaki Komine; Noriyuki Yokoshi; Hiroko Yokota


Archive | 1991

Route switching system in communications network

Hiroaki Komine; Takafumi Chujo; Tetsuo Soejima; Keiji Miyazaki; Takao Ogura


Archive | 1988

Polling network communication system having transmission request registration means

Shigeo Amemiya; Hiroaki Komine; Tomohiro Shinomiya; Kazuo Iguchi; Tetsuo Soejima


Archive | 1994

Method for structuring communications network based on asynchronous transfer mode

Takafumi Chujo; Hiroaki Komine; Keiji Miyazaki; Takao Ogura; Tetsuo Soejima


Archive | 1987

Optical bus communication system utilizing frame format signals

Kazuo Iguchi; Tetsuo Soejima; Shigeo Amemiya; Hiroaki Komine


Archive | 1988

Frame synchronizing apparatus

Kazuo Iguchi; Tetsuo Soejima; Kazuo Murano; Shigeo Amemiya; Hiroaki Komine; Toshiaki Nishimura Apart Watanabe; Tomohiro Shinomiya


Archive | 1999

Object management system and data processing system with centralized mechanism for managing containment relationships among objects

Hiroaki Komine; Noriyuki Yokoshi; Kazuaki Ikeda; Tsuyoshi Naka; Toshiharu Nakamura

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