Service Differentiation in Web Caching and Content Distribution

M. Feldman and J. Chuang (USA)


Web cache, CDN, QoS, replacement algorithm, MLLRU. lifetime


Service differentiation in web caching and content distribution will result in significant technical and economic efficiency gains, to the benefit of both content publishers and service providers. Through preferential storage allocation and coordinated transitioning of objects across priority queues, we demonstrate a QoS caching scheme that achieves quantifiable service differentiation with little efficiency overhead. We develop and empirically validate a model to quantify, predict, and compare the performance of traditional and service differentiated caching schemes.

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