Quality of Experience (QoE) improvement by video caching implementation

Video streaming through Internet faces different challenges caused by network performance and heterogeneity nature of internet. The larger the distance between end-user and streaming server the stream passes through different networks and causes delays which affect the user quality of experience (QoE). An optimal approach to minimize delays and offer high video quality is Cache implementation. Operators and content providers today are implementing CDN (Content Delivery Networks) using Cache technology to overcome this problem. Cache Servers store the content in order that future requests can be served faster from the cache. The main objective of this paper is to provide analysis of the implemented cache approach and the impact in main QoE parameters.