Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network monitoring
Reexamination Certificate
2011-08-09
2011-08-09
Strange, Aaron (Department: 2448)
Electrical computers and digital processing systems: multicomput
Computer network managing
Computer network monitoring
C709S223000
Reexamination Certificate
active
07996529
ABSTRACT:
A system for maintaining a high availability data transmission and processing environment. The system includes a network of clusters and a control server. Each cluster of the network includes at least two identical servers. Each cluster of the network is directly connected to at least one other cluster of the network. Each pair of clusters directly connected to each other is characterized by each server in a first cluster of the pair of clusters being directly connected to at least one server in a second cluster of the pair of clusters via a communication link. The control server is configured to monitor an operational status of the communication link (i.e., the communication link is operational or non-operational). The control server is directly linked to at least one server in each cluster via a communication channel between the control server and the at least one server.
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Ahrens et al.; “Evaluating HACMP/6000: A Clustering Solution for High Availability Distributed Systems”; IEEE 1995; pp. 2-9.
Ahmed Imran
Auvenshine John J.
Blackburn Justin
International Business Machines - Corporation
Linne Anna L.
Schmeiser Olsen & Watts
Strange Aaron
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