Cache management system and method and content distribution system incorporating the same

摘要

A cache management system and method and a content distribution system. In one embodiment, the cache management system includes: (1) a content request receiver configured to receive content requests, (2) a popularity lifetime prediction modeler coupled to the content request receiver and configured to generate popularity lifetime prediction models for content that can be cached based on at least some of the content requests, (3) a database coupled to the popularity lifetime prediction modeler and configured to contain the popularity lifetime prediction models and (4) a popularity lifetime prediction model matcher coupled to the content request receiver and the database and configured to match at least one content request to the popularity lifetime prediction models and control a cache based thereon.

主权项

1. A cache management system, comprising:
a content request receiver configured to receive requests for a unit of content; a popularity lifetime prediction modeler configured to generate popularity lifetime prediction models for content that can be cached based on at least some of said requests, wherein at least one of said popularity lifetime prediction models for predicting a future popularity of said unit of content is determined based on a peak rate of requesting said unit of content after an introduction of said unit of content, a decay factor, and a base determined for said unit of content; and a popularity lifetime prediction model processor configured to associate at least one request for the unit of content with said popularity lifetime prediction models, and to control a cache based on the at least one popularity lifetime prediction model and at least one of the following stimuli:
notification of upcoming content availability, andnotification of upcoming promotions of content.