Now showing items 1-3 of 3

  • Detecting network performance anomalies with contextual anomaly detection 

    Dimopoulos, Giorgos; Barlet Ros, Pere; Dovrolis, Constantine; Leontiadis, Ilias (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Open Access
    Network performance anomalies can be defined as abnormal and significant variations in a network's traffic levels. Being able to detect anomalies is critical for both network operators and end users. However, the accurate ...
  • 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 ...