Publikation: An evaluation of TCP-based rate-control...

Stammdaten
Titel: An evaluation of TCP-based rate-control algorithms for adaptive Internet streaming of H.264/SVC
Untertitel:
Kurzfassung: Recent work in TCP video streaming indicates that multimedia streaming via TCP provides satisfactory performance when the achievable TCP throughput is approximately twice the media bit rate. However, these conditions may not be achievable on the Internet, e.g., when the delivery path offers insufficient bandwidth or becomes congested due to competing traffic. Therefore, adaptive streaming for videos over TCP is required and a number of rate-control algorithms for video streaming have been proposed and evaluated in the literature. In this paper, we evaluate and compare three existing rate-control algorithms for TCP streaming in terms of the (PSNR) quality of the delivered video and in terms of the timeliness of delivery. The contribution of the paper is that, to the best of our knowledge, this is the first evaluation of TCP-based streaming in an Internet-like setting making use of the scalability features of the H.264/SVC video codec. Two simple bandwidth estimation algorithms and a priority-/deadline-driven approach are described to adapt the bit rates of, and transmit, the H.264/SVC video in a rate-distortion optimal manner. The results indicate that the three algorithms perform robustly in terms of video quality and timely delivery, both on under-provisioned links and in case of competing TCP flows. The priority-/deadline-driven technique is even more stable in terms of packet delays and jitter; thus, client buffers can be dimensioned more easily.
Schlagworte:
Publikationstyp: Beitrag in Sammelwerk (Autorenschaft)
Erscheinungsdatum: 02.2010 (Print)
Erschienen in: Proceedings of the first annual ACM SIGMM Conference on Multimedia systems (MMSys)
Proceedings of the first annual ACM SIGMM Conference on Multimedia systems (MMSys)
zur Publikation
 ( ACM Digital Library; W. Feng, K. Mayer-Patel )
Titel der Serie: -
Bandnummer: -
Erstveröffentlichung: Ja
Seite: S. 157 - 168

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Erscheinungsdatum: 02.2010
ISBN: -
ISSN: -
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Zuordnung
Organisation Adresse
Fakultät für Technische Wissenschaften
  Institut für Informationstechnologie
Universitaetsstr. 65-67
9020 Klagenfurt am Wörthersee
Österreich
   martina.steinbacher@aau.at
http://itec.aau.at/
zur Organisation
Universitaetsstr. 65-67
AT - 9020  Klagenfurt am Wörthersee

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Sachgebiete
  • 1108 - Informatik
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  • Ja
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  • Science to Science (Qualitätsindikator: n.a.)
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