Electrical computers and digital processing systems: multicomput – Computer-to-computer session/connection establishing – Network resources access controlling
Reexamination Certificate
2005-09-27
2005-09-27
Pollack, Melvin H. (Department: 2145)
Electrical computers and digital processing systems: multicomput
Computer-to-computer session/connection establishing
Network resources access controlling
C709S223000, C709S224000, C709S225000, C709S226000, C709S227000, C709S239000, C709S249000, C370S230000, C370S235000, C370S254000
Reexamination Certificate
active
06950874
ABSTRACT:
A method, system, apparatus, and computer program product are presented for management of resource leases within a distributed data processing system. A resource manager receives a lease request from a requester for a resource in which the lease request has a requested lease period. In response to receiving the lease request, the resource manager secures leases along a logical circuit of resources through the distributed data processing system. The resource manager requests leases from other resource managers along the data path that comprises the logical circuit because use of the requested resource requires use of other resources. After securing leases on a logical circuit of resources, the resource manager returns a lease grant for the resource to the requester. If the system detects oversubscribed conditions and/or error conditions, the system can adjust the pending leases in an appropriate manner, such as terminating a lease, adjusting the lease period of a lease, and the like.
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Chang Ching-Jye
Ullman Lorin Evan
Burwell Joseph R.
International Business Machines - Corporation
LaBaw Jeffrey S.
Pollack Melvin H.
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