InSite: QoE-aware video delivery from cloud data centers

Gabale, Vijay; Dutta, Partha; Kokku, Ravi; Kalyanaraman, Shivkumar

doi:10.1109/iwqos.2012.6245984

Cited by 13 publications

(5 citation statements)

References 19 publications

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“…Going beyond relating QoE to allocated bitrate, Gabale et al [12] measure video-delivery QoE in terms of the number and duration of playout stalls, with the objective of fairly distributing stalls across clients. Mu et al [31] propose a solution for achieving user-level fairness of adaptive video streaming, exploiting video quality, switching impact, and cost efficiency as fairness metrics.…”

Section: Fairness From the User's Perspectivementioning

confidence: 99%

A new QoE fairness index for QoE management

et al. 2018

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The user-centric management of networks and services focuses on the Quality of Experience (QoE) as perceived by the end user. In general, the goal is to maximize (or at least ensure an acceptable) QoE, while ensuring fairness among users, e.g., in terms of resource allocation and scheduling in shared systems. A problem arising in this context is that the notions of fairness commonly applied in the QoS domain do not translate well to the QoE domain. We have recently proposed a QoE fairness index F, which solves these issues. In this paper, we provide a detailed rationale for it, along with a thorough comparison of the proposed index and its properties against the most widely used QoS fairness indices, showing its advantages. We furthermore explore the potential uses of the index, in the context of QoE management and describe future research lines on this topic.

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Section: Fairness From the User's Perspectivementioning

confidence: 99%

A new QoE fairness index for QoE management

et al. 2018

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“…Provided the fact that source selection or CDN redirection remains intractable in generic networks [27,28], request routing, which involves both source redirection and flow routing, is therefore a rather difficult problem. The request routing problem was first formulated and studied in our previous work [21], where we proposed a fast approximation algorithm to solve it.…”

Section: Related Workmentioning

confidence: 99%

Smart routing: Fine-grained stall management of video streams in mobile core networks

Song

2015

Computer Networks

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“…Regarding interoperability, a modification is required at the MAC layer of the TCP client. QoE for video services is considered in [5] for managing video flows transmitted over TCP. The authors consider VBR video flows and bounded bandwidth egress interfaces of data centers between video servers and clients.…”

Section: Related Work On Tcp Optimization For Video Streamingmentioning

confidence: 99%

Context-adaptive cross-layer TCP optimization for Internet video streaming

Somayazulu

Moustafa

2014

2014 IEEE International Conference on Communications (ICC)

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The tremendous growth of video content over the Internet and evolution towards more personalized video applications has led to a need for a network and service infrastructure better suited to today's content and mobility needs. Quality of Experience (QoE) management is one of the major challenges for video delivery given the limited bandwidth for wireless access network causing video packet drops and the core network congestion impacting video service delay. In this context, the current TCP-based model used for HTTP streaming presents challenges due to throughput variation and high latency. We present a context-adaptive cross-layer optimization approach to enhance video streaming over TCP that introduces network and content awareness in TCP operation to provide adaptive reliability and smoother throughput. Our proposed solution requires implementation changes only on the receiver side without impacting the TCP sender implementation. We validated the proposed solution through OPNET simulations and the results show some significant performance gains in both TCP throughput and video QoE metrics.

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InSite: QoE-aware video delivery from cloud data centers

Cited by 13 publications

References 19 publications

A new QoE fairness index for QoE management

A new QoE fairness index for QoE management

Smart routing: Fine-grained stall management of video streams in mobile core networks

Context-adaptive cross-layer TCP optimization for Internet video streaming

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