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Mobile devices such as smartphones are taking over traditional devices for Internet access in today's scenario, and the near future forecast is overwhelming: by 2016, a quarter of the world population will be using smartphones to access the Internet. In this context, understanding the Quality of Experience (QoE) of popular services in mobile devices becomes paramount for cellular network operators,...
The popularity of Online Social Networks (OSNs) has created an immense amount of research for the analysis of these networks and the traffic produced by popular applications such as Facebook. In this paper we study the networking characteristics of OSNs in mobile networks, analyzing the most popular OSNs in western countries: Facebook and WhatsApp. By analyzing two large-scale traffic traces collected...
Today's Internet consists of massive scale web services and Content Delivery Networks (CDNs). This paper sheds light on the way major Internet-scale web services content is hosted and delivered. By analyzing a full month of HTTP traffic traces collected at the mobile network of a major European ISP, we characterize the paradigmatic case of Facebook, considering not only the traffic flows but also...
YouTube is the most popular service in today's Internet. Its own success forces Google to constantly evolve its functioning to cope with the ever growing number of users watching YouTube. Understanding the characteristics of YouTube's traffic as well as the way YouTube flows are served from the massive Google CDN is paramount for ISPs, specially for mobile operators, who must handle the huge surge...
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