September 21, 2020 Conference paper Open Access

M. Montagud, J. Antonio De Rus, R. Fayos-Jordán, M. Garcia-Pineda J. Segura-Garcia

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    "doi": "10.1145/3339825.3394931", 
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    "language": "eng", 
    "title": "Open-Source Software Tools for Measuring Resources Consumption and DASH Metrics", 
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        "title": "An end-to-end system for the production and delivery of photorealistic social immersive virtual reality experiences", 
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    "publication_date": "2020-09-21", 
    "creators": [
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        "name": "M. Montagud, J. Antonio De Rus, R. Fayos-Jord\u00e1n, M. Garcia-Pineda J. Segura-Garcia"
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      "acronym": "MMSys '20", 
      "dates": "May 2020", 
      "place": "Istambul, Turkey", 
      "title": "11th ACM Multimedia Systems Conference"
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    "description": "<p>When designing and deploying multimedia systems, it is essential&nbsp;to accurately know about the necessary requirements and the&nbsp;<br>\nQuality of Service (QoS) offered to the customers. This paper&nbsp;presents two open-source software tools that contribute to these&nbsp;<br>\nkey needs. The first tool is able to measure and register resources&nbsp;consumption metrics for any Windows program (i.e. process id),<br>\nlike the CPU, GPU and RAM usage. Unlike the Task Manager,&nbsp;which requires manual visual inspection for just a subset of these&nbsp;<br>\nmetrics, the developed tool runs on top of the Powershell to&nbsp;periodically measure these metrics, calculate statistics, and&nbsp;register them in log files. The second tool is able to measure QoS&nbsp;metrics from DASH streaming sessions by running on top of&nbsp;TShark, if a non-secure HTTP connection is used. For each&nbsp;DASH chunk, the tool registers: the round-trip time from request&nbsp;to download, the number of TCP segments and bytes, the effective&nbsp;bandwidth, the selected&nbsp;DASH representation, and the associated&nbsp;parameters in the MPD (e.g., resolution, bitrate). It also registers&nbsp;the MPD and the total amount of downloaded frames and bytes.&nbsp;The advantage of this second tool is that these metrics can be&nbsp;registered regardless of the player used, even from a device&nbsp;connected to the same network than the DASH player.</p>"
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