Patent EP0621706A2 successfully refreshed from Google Patents.
EP0621706A2
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EP
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System and method for monitoring simple network management protocol tables
Assignee: International Business Machines Corp
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Filing: 1994-03-08
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Granted: —
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Expires: 2014-03-08
Abstract
Abstract A new system and method allows a Manager in a Simple Network Management Protocol (SNMP) environment to gather updates from its Agents. The system and method comprise the unique provision of an index which is used in each of the Agent's tables for indicating the various revisions thereof. The index lexicographically increases with each revision to the table. The Manager maintains a record of the index of the data which it has received from its Agents, requesting only that data having a lexicographically larger indexing. Further, the index is used in related tables so that the tables will be kept in "sync" in that the Manager will know whether it has the latest updates so that an accurate picture may be portrayed.
Inventors
- 👤 David De-Hui Chen
- 👤 William Frank Mckenzie, Jr.
- 👤 Zvonimir Ordanic
- 👤 Leo Temoshenko
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 23:50
CPC Classifications
H; H04; H04L; H04L41/00; H04L41/02; H04L41/0213; H04L41/04; H04L41/046; Y; Y10; Y10S; Y10S707/00; Y10S707/99931; Y10S707/99951; Y10S707/99952; Y10S707/99953
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
148 words
For use in a Manager of a network conforming to the Simple Network Management Protocol (SNMP) comprising at least one Agent, said Agent maintaining at least one table comprising individual records defining one or more individual managed objects, each individual record having a unique index assigned thereto, a method of monitoring said table characterized in that it comprises the steps of: requesting from said Agent said individual records for said managed objects; receiving from said Agent said individual records for said managed objects; maintaining a record of said index of the most recently received record for each managed object; and periodically requesting from said Agent the next record for each managed object as indicated by said index of the most recently received record for each managed object, said next record having an index lexicographically larger than the index of said most recently received record for each managed object.
Claim 2
Dependent Claim
36 words
The method defined in Claim 1 characterized in that it comprises, after said periodically requesting step, the steps of receiving a next record for a managed object and maintaining a record of said lexicographically larger index.
Claim 3
Dependent Claim
37 words
The method defined in Claim 1 or 2 wherein said network comprises a plurality of nodes and a corresponding plurality of Agents, each of said Agents maintaining a node characteristics table and a transmission group characteristics table.
Claim 4
Dependent Claim
113 words
For use in an Agent in a network having a plurality of nodes, said network conforming to the Simple Network Management Protocol (SNMP), a method of maintaining a table comprising individual records defining one or more individual managed objects, characterized in that it comprises the steps of: maintaining an initial table of individual records representing the initial status of said one or more individual managed objects, each of said records having an index; and adding to said initial table a further individual record representing a changed status of one of said individual managed objects, said further additional record having a lexicographically larger index than the initial said one of said individual managed objects.
Claim 5
Dependent Claim
148 words
In a network conforming to the Simple Network Management Protocol (SNMP) comprising at least one Agent, said Agent maintaining at least one table comprising individual records defining one or more individual managed objects, each individual record having a unique index assigned thereto, a Manager for monitoring said table characterized in that it comprises: means for requesting from said Agent said individual records for said managed objects; means for receiving from said Agent said individual records for said managed objects; means for maintaining a record of said index of the most recently received record for each managed object; and means for periodically requesting from said Agent the next record for each managed object as indicated by said index of the most recently received record for each managed object, said next record having an index lexicographically larger than the index of said most recently received record for each managed object.
Claim 6
Dependent Claim
34 words
The Manager defined in Claim 5 characterized in that it comprises means for receiving a next record for a managed object and means for maintaining a record of the index of said next record.
Claim 7
Dependent Claim
64 words
The Manager defined in Claim 5 or 6 wherein said network comprises a plurality of nodes and a corresponding plurality of Agents, each of said Agents maintaining a node characteristics table and a transmission group characteristics table, said Manager characterized in that it comprises means for receiving the records of said tables and means for periodically polling said Agents for updates to said tables.
Claim 8
Dependent Claim
109 words
In a network having a plurality of nodes, said network conforming to the Simple Network Management Protocol (SNMP), an Agent for maintaining a table comprising individual records defining one or more individual managed objects characterized in that it comprises: means for maintaining an initial table of individual records representing the initial status of said one or more individual managed objects, each of said records having an index; and means for adding to said initial table a further individual record representing a changed status of one of said individual managed objects, said further additional record having a lexicographically larger index than the initial said one of said individual managed objects.
Claim 9
Dependent Claim
35 words
The Agent defined in Claim 8 characterized in that it comprises means for receiving requests from a Manager for retrieving one or more of said individual records and for forwarding said records to said Manager.
Claim 10
Dependent Claim
31 words
The Agent defined in Claim 8 or 9 characterized in that it comprises means for maintaining a plurality of tables including a node characteristics table and a transmission group characteristics table.
References Cited (Backward Citations)
No citation records indexed.
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