Fujitsu Corporation

Toshimasa Arai

Hiroaki Abe

Yuji Nomura

Hiroaki Komine

Takaaki Kawakami

Kiyoshi Sugita

Kenichi Sakurai

Minoru Takimoto

Yuki Kajitani

Yasuko Onodera

Kazuya Jimbo

Yasuhiro Yamaguchi

Asuro Harada

Tomohiro Muramoto

Ta-Wei Chang

Kai Mao

A graphical policy interface architecture may enable simplified graphical development of customized policy logic for software controllers to control network services, connections, and devices. The policy logic based on graphical policy logic notation may be compiled and installed at run-time into a software controller.

Graphical policy interface for network control systems

An information processing apparatus receives a request transmitted from a client to a server and a response transmitted from the server to the client. The information processing apparatus includes a processor. The processor counts a first number of first requests having no corresponding response within a first time period, counts a second number of second requests having a corresponding response, and detects a failure in the server on the basis of the first number and the second number.

Information processing apparatus and information processing method

A network monitoring system that monitors a communication network including plural communication apparatuses and includes an obtaining part for obtaining a transmission traffic amount and a reception traffic amount of each port of the plural communication apparatuses, a determining part for determining whether the transmission traffic amount is no less than a first threshold and whether the reception traffic amount is less than a second threshold for each port of the plural communication apparatuses, a storage part for storing connecting path data of the communication network therein, an extracting part for extracting a loop affected path, and an outputting part for outputting data of the loop affected path.

Network monitoring system and path extracting method

A VPN service management system enabling a customer to rapidly and easily change a VPN service condition, that is, a VPN service management system for managing a VPN service for a communication network provided with a customer network and a provider network and having a VPN service manager for managing a VPN service for a provider network and a VPN service agent for managing a VPN service for a customer network. The VPN service manager changes the VPN service condition in real time in accordance with an operation status of the customer network in cooperation with the VPN service agent.

VPN service management system having a VPN service manager for a provider network and a VPN service agent for a customer network and enabling rapid change of VPN service conditions

The present invention relates to a method of rerouting a PVC route on an ATM network by previously defining an alternate route for the PVC route and by switching the PVC route to a previously defined alternate route when a fault occurs in a network element forming the PVC route. Further, the present invention relates to a network management system connected to a plurality of network elements, and includes an ATM network resource managing unit for managing resources included in the ATM network; a PVC connection managing unit connected to the element data collecting unit through the LAN or WAN for managing situation of connection of the PVC route; a PVC route searching unit for searching the PVC route; a fault event analyzing unit for receiving a fault from the fault notifying unit through the communication network when the fault occurs at any one of network elements, and analyzing the fault; an alternate route defining unit for previously defining the alternate route for the PVC; and an alternate route processing unit for switching a faulty route to the alternate route defined by the alternate route defining unit when the fault occurs at any one of network elements.

Rerouting method for a PVC route on an ATM network and a network management system using the rerouting method

Growing community of inventors

Kawasaki, Japan

Toshimasa Arai