Information matching system and its matching method for matching information between terminal equipment connected via network

Claim 1

An information matching system, performing communication among terminal equipment connected via a network, for matching content of management information about state of managed equipment to be managed by managing equipment with actual state of the managed equipment, wherein said managed equipment comprising, a state monitoring means for monitoring the state of the own equipment, creating a notice message if a change of the state occurs, attaching a sequence number to every created notice message, and delivering it to said managing equipment, a log storing means for storing a log of the sequence number-attached notice message created by said state monitoring means, and a replying means for reading out a log of a necessary notice message from said log storing means according to an instruction of the managing equipment and delivering it to said managing equipment, while said managing equipment comprising, a management information storing means for storing management information about the state of said managed equipment, a management information updating means for updating the management information stored in said management information storing means according to the notice message and the sequence number attached thereto that are delivered from said managed equipment, and checking whether the sequence number included in the management information and the sequence number attached to the notice message are continued or not, and a resending requesting means for giving a resending instruction of a log of the notice message having the missing sequence number to said managed equipment when discontinuity of said sequence numbers is detected by said management information updating means.