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Initial delay vs. interruptions: Between the devil and the deep blue sea
Blekinge Institute of Technology, School of Computing.
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2012 (English)Conference paper, Published paper (Refereed) PublishedAlternative title
Dilemmat mellan initial fördröjning och avbrott (Swedish)
Abstract [en]

End user quality perception in the context of Internet applications is often characterized by waiting times before service consumption as well as interruptions during service consumption. In particular in case of bad network conditions, network and service providers have to trade off between these two impairment types, i.e. between the devil and the deep blue sea. In this paper we investigate this tradeoff in order to guide the design and development of Internet applications and network management approaches. The contribution of this paper is twofold. Firstly, we quantify the impact of initial delays on the user perceived Quality of Experience (QoE) for different application scenarios by means of subjective laboratory and crowdsourcing studies. We show that QoE for a given waiting time strongly depends on the concrete application at hand but that rating diversity remains fairly application-invariant. Secondly, using the example of YouTube video streaming we compare the influence of initial delays and interruptions (stallings) during watching. Our results demonstrate that users are extremely sensitive to interruptions and that services should be designed accordingly e.g. by increasing initial delay for prebuffering to overcome lack of resources.

Abstract [sv]

Pappret ger svar på frågan vilket som är värre ur användareperspektivet: att behöva vänta innan YouTube videon startar, eller att få stå ut med störningar i form av avbrott. Det är faktiskt mer uppskattat att behöva vänta lite extra inledningsvis för att kunna se videon i sträck.

Place, publisher, year, edition, pages
Melbourne, Australia: IEEE , 2012.
Keyword [en]
Initial Delay, QoE, Stalling, Subjective Tests, Crowdsourcing, Web QoE, YouTube Video Streaming
National Category
Telecommunications Computer Science
Identifiers
URN: urn:nbn:se:bth-6419DOI: 10.1109/QoMEX.2012.6263849Local ID: oai:bth.se:forskinfoEA4FF8F6CA07BD6CC1257A60005618FEISBN: 978-1-4673-0724-6 (print)OAI: oai:DiVA.org:bth-6419DiVA: diva2:833925
Conference
Fourth International Workshop on Quality of Multimedia Experience (QoMEX)
Note
IEEExplore: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6263849Available from: 2015-02-17 Created: 2012-08-20 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf