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Title:
MULTIPLEX DATABASE SYSTEM
Document Type and Number:
Japanese Patent JPH04126434
Kind Code:
A
Abstract:

PURPOSE: To prevent a traffic of the database service from being concentrated onto a specific database by reading congestion degree information from a storage device at access to a database and selecting a database with less congestion among databases having an object function class.

CONSTITUTION: Databases 1, 2 sends congestion degree information to electronic exchanges 3, 4, 5 for a prescribed time and stores the congestion degree information to a storage device 12 of the electronic exchanges 3, 4, 5. When a request of database service is caused in the electronic exchange 3, a database service execution device 14 designates a database function class to a routing device 13. The routing device 13 collates the designated database function class and the congestion degree information stored in the storage device 12 and selects a database 1 with less congestion degree and connects to the database 1 via a signal link 6 to start the database 1. Thus, a database with less traffic is always selected.


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Inventors:
SEKIGUCHI KATSUMI
Application Number:
JP1989000315848
Publication Date:
April 27, 1992
Filing Date:
December 04, 1989
Export Citation:
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Assignee:
NEC CORP
International Classes:
H04M3/42; H04M3/00; H04M7/06; H04M3/533; (IPC1-7): H04M3/00; H04M3/42; H04M7/06
Domestic Patent References:
JPH01228236A1989-09-12
JPS53101206A1978-09-04
JPS63309047A1988-12-16