Load balancing system

一种分散系统、分散装置的技术，应用在传输系统、数字传输系统、资源分配等方向，能够解决服务服务器装置访问负载增高等问题，达到改善负载分散控制的效果

Inactive Publication Date: 2008-04-02
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, by obtaining access statistics, we can know that in the company's office work, the access load to the service server device increases after 9:00 a.m. when work starts and after 1:00 p.m. when lunch break ends on weekdays.

Method used

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Embodiment Construction

[0027] Hereinafter, we describe embodiments of the present invention with reference to the accompanying drawings.

[0028] FIG. 1 shows the configuration of a communication network system including a load distribution system 3 according to the present invention.

[0029] The load distribution system 3 is connected to a plurality of client terminal devices (hereinafter referred to as terminals) 1 (1-1 to 1-L) via a communication network 2 such as a LAN or the Internet.

[0030] The load distribution system 3 is composed of a load distribution device 4 connected to the communication network 2, a management server device 5 with a communication function with the load distribution device 4, a console 6 connected with the management server device, and the load distribution device 4. The connected service server devices 7 (7-1 to 7-N) and the database 8 connected to the service server devices 7 are constituted. In addition, the management server device 5 can communicate with the ser...

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PUM

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Abstract

A load balancing system (3) having a plurality of service servers (7-1 to 7-N) and a load balancer (4) which prevents a service performance from being reduced by an overload of requests on the service servers. The system includes a load balancer (4) and a administration server (5), the load balancer outputs an access log relating to an access to the service server, and the administration server performs statistical operation over the access log. The administration server prepares a service server run schedule on the basis of a result of the statistical operation and informs the load balancer of it. The load balancer controls distribution of a request to the service server according to the informed run schedule.

Description

technical field [0001] The present invention relates to a load distribution system for distributing access to a plurality of server devices, and more specifically, to a method of operating the load distribution device. Background technique [0002] The Internet is spreading rapidly, and it is now possible to provide services such as ticket sales at existing business windows through the Internet. Communication technology is also advancing, and an environment in which the same services can be enjoyed not only from homes and offices but also from mobile phones and the like is being prepared. [0003] Through the Internet, in a server device (hereinafter referred to as a service server device) that provides a service as described above, it is usually necessary to process requests from many client terminals, and one service server device cannot handle all requests. Therefore, for example, as described in Patent Document 1, it has been known that requests from many client termina...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24G06F13/00G06F9/50H04L29/06H04L29/08
CPCH04L29/08171H04L29/06H04L29/08144H04L67/1002H04L67/1008H04L29/08234H04L67/1023H04L2029/06054H04L67/10015H04L67/1001H04L9/40
Inventor 中原雅彦永见明久野田文雄
Owner HITACHI LTD
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