System optimization of contents delivery network with information-zooming function

This work proposed a new CDN with information zooming function, which delivers generic/specific contents by mirror servers and customizing servers. First, algorithms for the optimum location problem of p mirror servers and q customizing servers are presented. The system optimization problem of Z-CDN is investigated, and effective algorithms for optimum number and location of mirror/customizing servers with the minimum system cost are presented. Proposed Z-CDN may satisfy varieties of individual demands.