Peer-to-Peer Live Multicast: A Video Perspective

Setton, Eric; Baccichet, P.; Girod, Bernd

doi:10.1109/jproc.2007.909925

Cited by 54 publications

(55 citation statements)

References 45 publications

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“…Although the P2P approach generally results in more duplication of packets and inefficient routing compared to IP multicast, the benefits outweigh the inefficiencies. The source as well as each peer can respond to local retransmission requests as well as perform sophisticated packet scheduling to maximize the experience of downstream peers [61].…”

Section: Multicastingmentioning

confidence: 99%

“…Figure 6 shows overlaps among RoIs of three users. The P2P protocol builds on top of the Stanford Peer-to-Peer Multicast (SPPM) protocol [62,61] which operates in tree-push manner. SPPM was originally developed for P2P video streaming without any pan/tilt/zoom functionality.…”

Section: System Architecturementioning

confidence: 99%

“…overhead. Similar to SPPM, a loop-avoidance mechanism on individual distribution trees ensures that a descendant is not chosen as a parent [62,64,63,11,61]. For additional details on peer state transitions and timeouts associated with sending and receiving control messages, the reader may refer to [60].…”

Section: P2p Protocolmentioning

confidence: 99%

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Video Streaming with Interactive Pan/Tilt/Zoom

Mavlankar

Girod

2010

Signals and Communication Technology

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High-spatial-resolution videos offer the possibility of viewing an arbitrary region-of-interest (RoI) interactively. The user can pan/tilt/zoom while watching the video. This chapter presents spatial-random-access-enabled video compression that encodes the content such that arbitrary RoIs corresponding to different zoom factors can be extracted from the compressed bit-stream. The chapter also covers RoI trajectory prediction, which allows pre-fetching relevant content in a streaming scenario. The more accurate the prediction the lower is the percentage of missing pixels. RoI prediction techniques can perform better by adapting according to the video content in addition to simply extrapolating previous moves of the input device. Finally, the chapter presents a streaming system that employs application-layer peer-to-peer (P2P) multicast while still allowing the users to freely choose individual RoIs. The P2P overlay adapts on-the-fly for exploiting the commonalities in the peers' RoIs. This enables peers to relay data to each other in real-time, thus drastically reducing the bandwidth required from dedicated servers.

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Section: Multicastingmentioning

confidence: 99%

Section: System Architecturementioning

confidence: 99%

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Video Streaming with Interactive Pan/Tilt/Zoom

Mavlankar

Girod

2010

Signals and Communication Technology

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“…The server also immediately updates its database assuming that the peer will be successful in updating its subscriptions. Upon receiving the list, the peer tries to connect to the new trees by following the remaining steps of the sixway handshake that is employed in the SPPM protocol [10], [11]. If a peer is informed of a parent's unsubscription or if it detects that the parent has left, then it requests a potential parents' list from the server for that distribution tree.…”

Section: B Distributed P2p Multicast Protocolmentioning

confidence: 99%

“…This enables the server to host a live IROI video session with modest uplink capacity and the system scales well with increasing number of peers. Our distributed IROI P2P protocol is based on the Stanford P2P Multicast (SPPM) protocol [10], [11].…”

Section: Introductionmentioning

confidence: 99%

Optimal server bandwidth allocation for streaming multiple streams via P2P multicast

Mavlankar

Noh

Baccichet

et al. 2008

2008 IEEE 10th Workshop on Multimedia Signal Processing

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Abstract-We consider the general scenario where content hosted by the server comprises streams and each peer can subscribe one or more streams. Multiple multicast trees are built to deliver the streams to respective peers while exploiting the overlap of their interests for efficient and scalable delivery. We propose an optimization framework for allocating server bandwidth to minimize distortion across the peer population. We apply the framework to a novel application, peer-to-peer (P2P) multicast live video streaming with virtual pan/tilt/zoom functionality. In this application, each user can watch arbitrary regions of a high-spatial-resolution scene yet the system exploits overlapping interests by building multicast trees. Experimental results indicate that optimal server bandwidth allocation enhances the delivered quality across the peer population.

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Adaptive Streaming of Multiview Video Over P2P Networks

Gurler

Tekalp

2013

Emerging Technologies for 3D Video

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Peer-to-Peer Live Multicast: A Video Perspective

Cited by 54 publications

References 45 publications

Video Streaming with Interactive Pan/Tilt/Zoom

Video Streaming with Interactive Pan/Tilt/Zoom

Optimal server bandwidth allocation for streaming multiple streams via P2P multicast

Adaptive Streaming of Multiview Video Over P2P Networks

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