Now showing items 1-5 of 5

    • Analysis of YouTube user experience from passive measurements 

      Dimopoulos, Georgios; Barlet Ros, Pere; Sanjuas Cuxart, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this paper, we analyze the YouTube service and the traffic generated from its usage. The purpose of this study is to identify by strictly using passive measurements the information that can be used as metrics or indicators ...
    • Identifying and diagnosing video streaming performance issues 

      Dimopoulos, Georgios (Universitat Politècnica de Catalunya, 2018-11-27)
      Doctoral thesis
      Open Access
      On-line video streaming is an ever evolving ecosystem of services and technologies, where content providers are on a constant race to satisfy the users' demand for richer content and higher bitrate streams, updated set of ...
    • Identifying the root cause of video streaming issues in mobile devices 

      Dimopoulos, Georgios; Leontiadis, Ilias; Barlet Ros, Pere; Papagiannaki, Konstantina; Steenkiste, Peter (Association for Computing Machinery (ACM), 2015)
      Conference report
      Restricted access - publisher's policy
      Video streaming on mobile devices is prone to a multi-tude of faults and although well established video Qual-ity of Experience (QoE) metrics such as stall frequencyare a good indicator of the problems perceived by theuser, ...
    • Measuring video QoE from encrypted traffic 

      Dimopoulos, Georgios; Leontiadis, Ilias; Barlet Ros, Pere; Papagiannaki, Konstantina (Association for Computing Machinery (ACM), 2016)
      Conference report
      Restricted access - publisher's policy
      Tracking and maintaining satisfactory QoE for video streaming services is becoming a greater challenge for mobile network operators than ever before. Downloading and watching video content on mobile devices is currently a ...
    • YouTube traffic monitoring and analysis 

      Dimopoulos, Georgios (Universitat Politècnica de Catalunya, 2012-05-17)
      Master thesis
      Open Access
      [ANGLÈS] In this thesis, the YouTube service and the traffic generated from its usage was analyzed. The purpose of this study was to identify the information in the monitored traffic that could be used as metrics or ...