Autonomic selection of a request routing policy based upon...

Electrical computers and digital processing systems: multicomput – Computer-to-computer data routing

Reexamination Certificate

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C709S203000, C709S228000, C709S223000, C709S226000, C709S232000, C709S224000, C709S242000, C715S705000, C370S432000, C370S349000, C370S401000, C370S389000, C455S432100, C455S435100, C710S316000

Reexamination Certificate

active

07552235

ABSTRACT:
The present invention is a system, method and apparatus for autonomic request routing policy selection. The system of the invention can include a multiplicity of pre-configured request routing policies and a data store of cache metrics for the pre-configured request routing policies. A routing policy selector can be configured for communicative linkage to a server cluster having one or more servers and programmed to select a particular one of the request routing policies for use in routing content requests in the server cluster based upon the cache metrics. In this regard, the routing policy selector further can include a coupling to the routing policies and the data store of cache metrics.

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Doyle, Ronald et al.,The Trickle-Down Effect: Web Caching and Server Request Distribution, <http://www.cs.duke.edu/ari/publications/trickle.ps> (visited Sep. 23, 2003).
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