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On the performance of multiple-tree-based peer-to-peer live streaming
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsnät.ORCID-id: 0000-0002-4876-0223
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsnät.ORCID-id: 0000-0002-2764-8099
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsnät. (Kommunikationsnät)
2007 (Engelska)Ingår i: INFOCOM 2007, VOLS 1-5, 2007, s. 2556-2560Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

In this paper we propose and analyze a generalized multiple-tree-based overlay architecture for peer-to-peer live streaming that employs multipath transmission and forward error correction. We give mathematical models to describe the stability properties of the overlay and evaluate the error recovery in the presence of node dynamics and packet losses. We show how the stability of the overlay improves with the proper allocation of the outgoing bandwidths of the peers among the trees without compromising its error correcting capability.

Ort, förlag, år, upplaga, sidor
2007. s. 2556-2560
Serie
IEEE INFOCOM, ISSN 0743-166X
Nationell ämneskategori
Telekommunikation
Identifikatorer
URN: urn:nbn:se:kth:diva-12513DOI: 10.1109/INFCOM.2007.320ISI: 000249117704080Scopus ID: 2-s2.0-34447333306ISBN: 978-1-4244-1046-0 (tryckt)OAI: oai:DiVA.org:kth-12513DiVA, id: diva2:318091
Konferens
26th IEEE Conference on Computer Communications (INFOCOM 2007) Location: Anchorage, AK Date: MAY 06-12, 2007
Anmärkning
QC 20100506 QC 20111114Tillgänglig från: 2010-05-06 Skapad: 2010-05-03 Senast uppdaterad: 2011-11-14Bibliografiskt granskad
Ingår i avhandling
1. P2P Live Video Streaming
Öppna denna publikation i ny flik eller fönster >>P2P Live Video Streaming
2010 (Engelska)Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

The ever increasing demand for video content directed the focus of researchfrom traditional server-based schemes to peer-to-peer systems for videodelivery. In such systems, video data is delivered to the users by utilizing theresources of the users themselves, leading to a potentially scalable solution.Users connect to each other, forming a p2p overlay network on top of theInternet and exchange the video segments among themselves. The performanceof a p2p system is characterized by its capability to deliver the videocontent to all peers without errors and with the smallest possible delay. Thisconstitutes a challenge since peers dynamically join and leave the overlay andalso contribute different amounts of resources to the system.The contribution of this thesis lies in two areas. The first area is theperformance evaluation of the most prominent p2p streaming architectures.We study the streaming quality in multiple-tree-based systems. We derivemodels to evaluate the stability of a multiple tree overlay in dynamic scenariosand the efficiency of the data distribution over the multiple trees. Then, westudy the data propagation in mesh-based overlays. We develop a generalframework for the evaluation of forwarding algorithms in such overlays anduse this framework to evaluate the performance of four different algorithms.The second area of the thesis is a study of streaming in heterogeneous p2poverlays. The streaming quality depends on the aggregate resources that peerscontribute to the system: low average contribution leads to low streamingquality. Therefore, maintaining high streaming quality requires mechanismsthat either prohibit non-contributing peers or encourage contribution. In thisthesis we investigate both approaches. For the former, we derive a model tocapture the evolution of available capacity in an overlay and propose simpleadmission control mechanisms to avoid capacity drainage. For the latter, inour last work, we propose a novel incentive mechanism that maximizes thestreaming quality in an overlay by encouraging highly contributing peers tooffer more of their resources.

Ort, förlag, år, upplaga, sidor
Stockholm: KTH Royal Institute of Technology, 2010. s. v, 30
Serie
Trita-EE, ISSN 1653-5146 ; 2010:010
Nyckelord
p2p systems, live streaming, mesh-based systems
Nationell ämneskategori
Telekommunikation
Identifikatorer
urn:nbn:se:kth:diva-12373 (URN)
Presentation
2010-03-22, Q21, Osquldas väg 10, KTH, Stockholm, 15:15 (Engelska)
Opponent
Handledare
Anmärkning
QC 20100506Tillgänglig från: 2010-05-06 Skapad: 2010-04-12 Senast uppdaterad: 2013-09-09Bibliografiskt granskad

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