Electrical computers and digital processing systems: multicomput – Computer network managing – Network resource allocating
Reexamination Certificate
2004-04-08
2008-11-18
Cardone, Jason (Department: 2145)
Electrical computers and digital processing systems: multicomput
Computer network managing
Network resource allocating
C709S223000, C370S395540, C718S105000
Reexamination Certificate
active
07454503
ABSTRACT:
A monitoring program contains a method for detecting a load imbalance in a group of servers and providing notification so that corrections can be made. An embodiment of the invention reads from the address resolution protocol (ARP) cache to determine which server addresses are present, then clears the ARP cache. The address resolution protocol will repopulate the cache from traffic it snoops and from new requests. By performing this query and clear operation periodically, the tracking program can form a picture of the activity levels of the servers. When a significant imbalance exists, the program notifies a control console for human intervention to solve the problem. The tracking program will periodically write its results to a log file, allowing reports for various time periods to be produced as needed. By this mechanism, not only can an imbalance be quickly detected, but underutilization can be picked up by comparing known capability of a resource to its actual usage.
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Childress Rhonda L.
Kumhyr David Bruce
Pennell Neil Raymond
Cardone Jason
Choudhury Azizul
Glanzman Gerald H.
International Business Machines - Corporation
LaBaw Jeffrey S.
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