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CLive: Cloud-assisted P2P live streaming
RISE., Swedish ICT, SICS.ORCID-id: 0000-0002-2748-8929
University of Trento, Italy.
University of Trento, Italy.
University of Trento, Italy.
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2012 (Engelska)Ingår i: 2012 IEEE 12th International Conference on Peer-to-Peer Computing, P2P 2012, 2012, s. 79-90, artikel-id 6335820Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Peer-to-peer (P2P) video streaming is an emerging technology that reduces the barrier to stream live events over the Internet. Unfortunately, satisfying soft real-time constraints on the delay between the generation of the stream and its actual delivery to users is still a challenging problem. Bottlenecks in the available upload bandwidth, both at the media source and inside the overlay network, may limit the quality of service (QoS) experienced by users. A potential solution for this problem is assisting the P2P streaming network by a cloud computing infrastructure to guarantee a minimum level of QoS. In such approach, rented cloud resources (helpers) are added on demand to the overlay, to increase the amount of total available bandwidth and the probability of receiving the video on time. Hence, the problem to be solved becomes minimizing the economical cost, provided that a set of constraints on QoS is satisfied. The main contribution of this paper is CLIVE, a cloud-assisted P2P live streaming system that demonstrates the feasibility of these ideas. CLIVE estimates the available capacity in the system through a gossip-based aggregation protocol and provisions the required resources from the cloud to guarantee a given level of QoS at low cost. We perform extensive simulations and evaluate CLIVE using large-scale experiments under dynamic realistic settings.

Ort, förlag, år, upplaga, sidor
2012. s. 79-90, artikel-id 6335820
Nyckelord [en]
Available bandwidth, Available capacity, Computing infrastructures, Economical Costs, Emerging technologies, Extensive simulations, Large scale experiments, Live streaming, Low costs, P2P streaming, Peer to peer, Potential solutions, Soft real time, Bandwidth, Cost benefit analysis, Internet protocols, Overlay networks, Peer to peer networks, Quality of service, Video streaming, Distributed computer systems
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URN: urn:nbn:se:ri:diva-51032DOI: 10.1109/P2P.2012.6335820Scopus ID: 2-s2.0-84870380886ISBN: 9781467328623 (tryckt)OAI: oai:DiVA.org:ri-51032DiVA, id: diva2:1516034
Konferens
2012 IEEE 12th International Conference on Peer-to-Peer Computing, P2P 2012, 3 September 2012 through 5 September 2012, Tarragona
Tillgänglig från: 2021-01-11 Skapad: 2021-01-11 Senast uppdaterad: 2023-06-07Bibliografiskt granskad

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Payberah, Amir H.Haridi, Seif

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