Electrical computers and digital processing systems: multicomput – Master/slave computer controlling – Master/slave mode selecting
Reexamination Certificate
2008-09-02
2008-09-02
Thomson, William (Department: 2194)
Electrical computers and digital processing systems: multicomput
Master/slave computer controlling
Master/slave mode selecting
C714S002000, C714S011000, C714S044000, C714S055000
Reexamination Certificate
active
10094552
ABSTRACT:
A node (101, FIG.1), within a networked computer system (100), is capable of supporting communications with other nodes relating to operating multiple application instances in a master-slave configuration. Each node periodically generates and sends (520, 526, FIG.5) a Heartbeat message (FIG.8) that indicates the operational status for one or more application instances being managed by the node. When a node receives a Heartbeat message from a remote node, it evaluates (FIG.10) the Heartbeat information for each application instance reported in the message, and takes any appropriate actions. The node also determines (1206, FIG.12) whether new configuration information should be obtained for each of the application instances the node is managing, and requests (1210, FIG.12) that new configuration information, when necessary.
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Anya Charles
Thomson William
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