Server selection method

Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability

Reexamination Certificate

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Details

C714S004110, C714S026000, C709S223000, C709S224000, C709S225000, C702S182000, C702S183000

Reexamination Certificate

active

07103809

ABSTRACT:
A method for selecting (64) a server (30, 40or50) is based upon an available server capacity indication (66) for each of the servers. A server may become faulty. Repeated attempted selection (63) of a faulty server exponentially decreases (70) the probability of selecting the faulty server. The method performs a ratio of a currently available capacity for each server of a pool of servers to the total available capacity for all the servers in the pool (64). The server capacities for the pool of servers are dynamically changed (68, 70).

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Waldspurger, C. A. et al., “Lottery Scheduling: Flexible Proportional-Share Resource Management”, 1stUSENIX Symposium on Operating Systems Design and Implementation, Nov. 1994, Monterey, CA.

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