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Implementation and Experimental Evaluation of a Partially Reliable Transport Protocol
Karlstad University, Division for Information Technology.
2004 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

In the last decade, we have seen an explosive growth in the deployment of multimedia applications on the Internet. However, the transport service provided over the Internet is not always feasible for these applications, since the network was originally designed for other types of applications. One way to better accommodate the service requirements of some of these applications is to provide a partially reliable transport service. A partially reliable transport service does not insist on recovering all, but just some of the packet losses, thus providing a lower transport delay than a reliable transport service. The work in this thesis focuses on the design, implementation, and evaluation of a partially reliable transport protocol called PRTP. PRTP has been designed as an extension to TCP in order to show that such a service could be effectively integrated with current protocol standards. An important feature of PRTP is that all modifications for PRTP are restricted to the receiver side, which means that it could be very easily deployed. The thesis presents performance results from various experiments on a Linux implementation of PRTP. The results suggest that transfer times can be decreased significantly when using PRTP as opposed to TCP in networks in which packet loss occurs. Furthermore, the thesis includes a study that investigates how users perceive an application that is based on a partially reliable service. Specifically, how users select the trade-off between image quality and latency when they download Web pages is explored. The results indicate that many of the users in the study could accept less than perfect image quality

if the latency could be shortened.

Place, publisher, year, edition, pages
2004.
Series
Karlstad University Studies, ISSN 1403-8099 ; 2004:11
Keywords [en]
partial reliability, transport protocol, Internet, performance evaluation
National Category
Computer Sciences
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-2437ISBN: 91-85019-75-5 (print)OAI: oai:DiVA.org:kau-2437DiVA, id: diva2:24781
Presentation
2004-03-30, Ericssonsalen, 9C 204, Karlstads universitetKarlstad, 13:15 (English)
Opponent
Supervisors
Available from: 2009-06-23 Created: 2009-06-23 Last updated: 2018-01-13Bibliographically approved
List of papers
1. PRTP: A Partially Reliable Transport Protocol for Multimedia Applications
Open this publication in new window or tab >>PRTP: A Partially Reliable Transport Protocol for Multimedia Applications
1999 (English)In: Proceedings of ISIMADE, 1999Conference paper, Published paper (Other academic)
National Category
Computer Systems
Identifiers
urn:nbn:se:kau:diva-2438 (URN)
Available from: 2010-09-07 Created: 2010-09-07 Last updated: 2018-08-14Bibliographically approved
2. Partially Reliable Multimedia Transport
Open this publication in new window or tab >>Partially Reliable Multimedia Transport
2004 (English)Report (Other academic)
Place, publisher, year, edition, pages
Karlstad: Karlstads universitet, 2004. p. 16
Series
Karlstad University Studies, ISSN 1403-8099 ; 2004:5
National Category
Computer Systems
Research subject
Computer Science
Identifiers
urn:nbn:se:kau:diva-2439 (URN)91-85019-69-0 (ISBN)
Available from: 2010-09-07 Created: 2010-09-07 Last updated: 2018-06-04Bibliographically approved
3. Decreasing Transfer Delay Through Partial Reliability
Open this publication in new window or tab >>Decreasing Transfer Delay Through Partial Reliability
(English)Manuscript (preprint) (Other (popular science, discussion, etc.))
National Category
Computer Systems
Identifiers
urn:nbn:se:kau:diva-2440 (URN)
Available from: 2009-06-23 Created: 2009-06-23 Last updated: 2018-08-14Bibliographically approved
4. The trade-off Between Latency and Image Quality: A User Perspective
Open this publication in new window or tab >>The trade-off Between Latency and Image Quality: A User Perspective
(English)Manuscript (preprint) (Other (popular science, discussion, etc.))
National Category
Computer Systems
Identifiers
urn:nbn:se:kau:diva-2441 (URN)
Available from: 2009-06-23 Created: 2009-06-23 Last updated: 2018-06-04Bibliographically approved

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