1
Chujo Takafumi, Komine Hiroaki, Miyazaki Keiji, Ogura Takao, Soejima Tetsuo: Method for searching for alternate path in communication network.. Fujitsu, July 10, 1991: EP0436201-A1 (8 worldwide citation)

A method includes the steps of a) detecting a failure which occurs in a node or link (step 101), and b) identifying at most N nodes contained in each path affected by the occurrence of the failure (step 102,103). The method also includes the steps of c) broadcasting a restoration message having an i ...


2
Chujo Takafumi, Komine Hiroaki, Miyazaki Keiji, Ogura Takao, Soejima Tetsuo: Method for restructuring communications network based on asynchronous transfer mode in case of failure.. Fujitsu, May 13, 1992: EP0484943-A2 (7 worldwide citation)

A method for structuring a communications network based on an asynchronous transfer mode in which communications are held with the use of cells transferred between a node (C) on the upstream side and a node (D) on the downstream side. The method for structuring the network includes a step for prepar ...


3
Komine Hiroaki, Chujo Takafumi, Miyazaki Keiji, Ogura Takao, Soejima Tetsuo: Communication system using route setup procedure.. Fujitsu, January 8, 1992: EP0464680-A2 (5 worldwide citation)

A communication system using a network route establishing technique for a network having a plurality of nodes (11 to 18) connected through links (21 to 31), in which a route search message is delivered simultaneously in a plurality of directions from a sender node (11) through a network route to a d ...


4
Nagata Akira, Chugo Akira, Miyazaki Keiji, Ueno Hitoshi, Sugita Kiyoshi, Onodera Takashi, Ohashi Masahiko: (Ja) 仮想lan構築装置, (En) Virtual lan building device. Fujitsu, Nagata Akira, Chugo Akira, Miyazaki Keiji, Ueno Hitoshi, Sugita Kiyoshi, Onodera Takashi, Ohashi Masahiko, OSUGA Yoshiyuki, September 2, 2004: WO/2004/075486 (5 worldwide citation)

(EN) A spanning tree building unit (12) builds a plurality of spanning trees according to the network topology and registers them in a spanning tree information storage table (13). A spanning tree selection unit (14) selects a spanning tree in which the communication resource is utilized most effect ...


5
Shinomiya Norihiko, Miyazaki Keiji: Method for controlling signaling, communication device adaptive to signaling and network management system. Fujitsu, November 7, 2003: JP2003-318899 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide a signaling control method capable of setting up a path by signaling control in a communication network constituted of a communication device adaptive to signaling and a communication device not adaptive to signaling, the signaling adaptive communication device and a ...


6
Fujii Taiki, Miyazaki Keiji, Shinomiya Norihiko, Iseda Hidehira: Bypass setting system. Fujitsu, February 14, 2003: JP2003-046545 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide a bypass setting system, where a bypass compatible with a node fault or a link fault can be designed and excess accesses can be released on the occurrence of the node fault, so as to effectively utilize resources. SOLUTION: In the system, where a design system 10 and ...


7
Miyazaki Keiji, Fujii Taiki: Network management system. Fujitsu, February 9, 2001: JP2001-036587 (3 worldwide citation)

PROBLEM TO BE SOLVED: To coordinate network management systems in a plurality of domain networks with respect to a network management system that is provided with a network management system of each network. SOLUTION: The network management system is provided with a coordinator system 1 that has a m ...


8
Shinomiya Norihiko, Miyazaki Keiji, Fujii Taiki: Bypass route designing method for communication network. Fujitsu, September 27, 2002: JP2002-281068 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide the bypass route designing method of a communication network capable of shortening the flooding time of the constraint of a failure notification message transferring time to each node, executing high speed service restoration, and minimizing the capacity in terms of ...


9
Chujo Takafumi, Komine Hiroaki, Miyazaki Keiji, Ogura Takao, Soejima Tetsuo: Methode de structuration pour reseau de communication a transfert asynchrone, Method for structuring communications network based on asynchronous transfer mode. Fujitsu, FETHERSTONHAUGH & CO, June 25, 1996: CA2055193 (2 worldwide citation)

A method for structuring a communicationsnetwork based on an asynchronous transfer mode in whichcommunications are held with the use of cellstransferred between a node on the upstream side and anode on the downstream side. The method for structuringthe network includes a step for preparing a plurali ...


10
Shinomiya Norihiko, Miyazaki Keiji: Method for designing alternate routing for communication network. Fujitsu, October 10, 2003: JP2003-289325 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for designing alternate routing for a communication network by which a fault notice time of each alternate route is shortened without increasing total backup communication capacity resulting from a design of routing on an initial stage.SOLUTION: In the metho ...