PET---priority encoding transmission (video)

Lamparter, Bernd; Albanese, Andrés; Kalfane, Malik; Luby, Michael

doi:10.1145/217279.215322

Cited by 15 publications

(2 citation statements)

References 3 publications

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“…This stimulated the introduction of redundancy for the purpose of reducing the loss rate seen by the application. One scheme, PET (priority encoding transmission), explored the use of block codes for improving the quality of an MPEG-1 stream [151]. Briefly, different levels of protection were provided to I, P, and B frames in accordance to their importance to the application.…”

Section: B Redundancy and Quality Adaptationmentioning

confidence: 99%

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Theories and models for Internet quality of service

Firoiu¹,

et al. 2002

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Abstract-We survey recent advances in theories and models for Internet Quality of Service (QoS). We start with the theory of network calculus, which lays the foundation for support of deterministic performance guarantees in networks, and illustrate its applications to integrated services, differentiated services, and streaming media playback delays. We also present mechanisms and architecture for scalable support of guaranteed services in the Internet, based on the concept of a stateless core. Methods for scalable control operations are also briefly discussed. We then turn our attention to statistical performance guarantees, and describe several new probabilistic results that can be used for a statistical dimensioning of differentiated services. Lastly, we review recent proposals and results in supporting performance guarantees in a best effort context. These include models for elastic throughput guarantees based on TCP performance modeling, techniques for some quality of service differentiation without access control, and methods that allow an application to control the performance it receives, in the absence of network support.

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Section: B Redundancy and Quality Adaptationmentioning

confidence: 99%

“…Briefly, different levels of protection were provided to I, P, and B frames in accordance to their importance to the application. Experiments reported in [151] demonstrated that the loss rate seen by an application can be significantly reduced. There are, however, a couple of problems with this approach.…”

Section: B Redundancy and Quality Adaptationmentioning

confidence: 99%

Theories and models for Internet quality of service

Firoiu¹,

et al. 2002

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On the Stability of End-Point-Based Multimedia Streaming

Dán

Fodor

Karlsson

2006

NETWORKING 2006. Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile A

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Abstract. In this paper we propose an analytical model of a resilient, tree-based end-node multicast streaming architecture that employs path diversity and forward error correction for improved resilience to node churns and packet losses. Using the model and via simulations we study the performance of this architecture in the presence of packet losses and dynamic node behavior. We show that the overlay can distribute data to nodes arbitrarily far away from the root of the trees as long as the loss probability is lower than a certain threshold, but the probability of packet reception suddenly drops to zero once this threshold is exceeded. The value of the threshold depends on the ratio of redundancy and on the number of the distribution trees. Using the model and simulations we show that correlated and inhomogeneous losses slightly worsen the overlay's performance. We apply the model to study the effects of dynamic node behavior and compare its results to simulations.

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QoS-sensitive transport of real-time MPEG video using adaptive redundancy control

Park

Wang

2001

Computer Communications

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PET---priority encoding transmission (video)

Cited by 15 publications

References 3 publications

Theories and models for Internet quality of service

Theories and models for Internet quality of service

On the Stability of End-Point-Based Multimedia Streaming

QoS-sensitive transport of real-time MPEG video using adaptive redundancy control

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