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System and method for distributed caching of objects using a publish and subscribe paradigm

  • US 6,567,893 B1
  • Filed: 11/17/2000
  • Issued: 05/20/2003
  • Est. Priority Date: 11/17/2000
  • Status: Expired due to Term
First Claim
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1. A method for maintaining objects in a cache, comprising the steps of:

  • issuing a subscription for an object;

    maintaining a metric for the object;

    determining, based on the metric, whether a cache is to receive an update message associated with the object; and

    prioritizing an order in which update messages associated with a plurality of objects are sent to corresponding subscribing caches based on the value of the metric associated with each of the objects, wherein the step of prioritizing the order comprises ordering the update messages in decreasing value of the metric.

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