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A management system comprises a central management station and a plurality of remote management stations coupled to nodes of a communications network which interconnects the nodes using OSI protocols. The central management station comprises a first memory for storing attributes of managed objects w

A management system comprises a central management station and a plurality of remote management stations coupled to nodes of a communications network which interconnects the nodes using OSI protocols. The central management station comprises a first memory for storing attributes of managed objects which are supervised by the central management station. A central station controller is responsive to a request and accesses its memory if the request is concerned with the attributes stored therein or transmits a request to one of the remote stations If the request is not concerned with the stored attributes. Each remote management station comprises a memory for storing attributes of managed objects supervised by the remote management station. A remote station controller responds to the request from the central station by making access to the remote station memory if the request is concerned with the stored attributes or by transmitting a request to an associated network node If the request Is not concerned with the stored attributes.

대표청구항 ▼

[ What is claimed is:] [1.] A management system for a communications network containing a plurality of network nodes interconnected by transmission lines, said management system providing management control on said communications network using OSI (Open System Interconnection) protocols, and compris

[ What is claimed is:] [1.] A management system for a communications network containing a plurality of network nodes interconnected by transmission lines, said management system providing management control on said communications network using OSI (Open System Interconnection) protocols, and comprising:a central management station comprising a central-station memory for storing attributes of managed objects which are supervised by the central management station, request entry means for issuing an access request, and control means responsive to the access request for making access to the central-station memory if the access request is the access request is concerned with the attributes stored in the central-station memory or transmitting a request to one of a plurality of first control lines if the access request is not concerned with the attributes stored in the central-station memory; anda plurality of remote management stations respectively coupled to said central management station through said first control lines and respectively coupled through a plurality of second control lines to said network nodes,each of the remote management stations comprising:a remote-station memory for storing attributes of managed objects supervised by the remote management station;a syntax analyzer for analyzing formal-description managed object definitions according to syntax rules and transforming the formal-description managed object definitions into transformed definitions which can be translated into machine instructions;means for establishing reference relationships between said formal-description managed object definitions;verification means for verifying the transformed definitions against said established reference relationships and producing verified definitions;output means for receiving the verified definitions and applying part of the verified definitions as feedback to the verification means to allow the verification means to perform verification on the transformed definitions against said feedback;definitions entry means for receiving the verified definitions from the verification means as received definitions and separating the received definitions into OSI-based definitions and non-OSI-based definitions;OSI-based definitions storage means coupled to the definitions entry means for storing said OSI-based definitions;non-OSI-based definitions storage means coupled to the definitions entry means for storing said non-OSI-based definitions; andcontrol means responsive to the request from the central management station for making a search through the stored OSI-based definitions to determine the executability of said request, reading a non-OSI-based definition from said non-OSI-based definitions storage means if said request is determined to be executable, and making access to the remote-station memory or transmitting a request to one of said network nodes in accordance with the non-OSI-based definition.