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Resilience of video streaming services to network impairments

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Abstract
When dealing with networks, performance management through conventional quality of service (QoS)-based methods becomes difficult and is often ineffective. In fact, quality emerges as an end-to-end factor, for it is particularly sensitive to the end-user perception of the overall service, i.e., the user's quality of experience (QoE). However, the two are not independent from each other and their relationship has to be studied through metrics that go beyond the typical network parameters. To better explore the value of assessing QoE alongside QoS in high-speed, lossy networks, this paper presents an experimental methodology to understand the relation between network QoS onto service QoE, with the aim to perform a combined network-service assessment. Using video streaming services as the test-case (given their extended usage nowadays), in this paper, we provide studies on three networkimpaired video-sets with the aim to provide a comprehensive evaluation of the effects of networks on video quality. First, the ReTRIeVED video set provides the means to understand the most impairing effects on networks. Furthermore, it triggered the idea to create our own sets, specialized in the most impairing conditions for 2-D and 3-D: the LIMP Video Quality Database and the 3-D-HEVC-Net Video Quality Database. Our study and methodology are meant to provide service providers with the means to pinpoint the working boundaries of their video-sets in face of different network conditions. At the same time, network operators may use our findings to predict how network control policies affect the user's perception of the service.
Keywords
QUALITY, EXPERIENCE, 2D video streaming services, 3D video streaming services, quality of, experience, network impairments

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Chicago
Torres Vega, Maria, Cristian Perra, and Antonio Liotta. 2018. “Resilience of Video Streaming Services to Network Impairments.” Ieee Transactions on Broadcasting 64 (2): 220–234.
APA
Torres Vega, M., Perra, C., & Liotta, A. (2018). Resilience of video streaming services to network impairments. IEEE TRANSACTIONS ON BROADCASTING, 64(2), 220–234.
Vancouver
1.
Torres Vega M, Perra C, Liotta A. Resilience of video streaming services to network impairments. IEEE TRANSACTIONS ON BROADCASTING. Piscataway: Ieee-inst Electrical Electronics Engineers Inc; 2018;64(2):220–34.
MLA
Torres Vega, Maria, Cristian Perra, and Antonio Liotta. “Resilience of Video Streaming Services to Network Impairments.” IEEE TRANSACTIONS ON BROADCASTING 64.2 (2018): 220–234. Print.
@article{8567106,
  abstract     = {When dealing with networks, performance management through conventional quality of service (QoS)-based methods becomes difficult and is often ineffective. In fact, quality emerges as an end-to-end factor, for it is particularly sensitive to the end-user perception of the overall service, i.e., the user's quality of experience (QoE). However, the two are not independent from each other and their relationship has to be studied through metrics that go beyond the typical network parameters. To better explore the value of assessing QoE alongside QoS in high-speed, lossy networks, this paper presents an experimental methodology to understand the relation between network QoS onto service QoE, with the aim to perform a combined network-service assessment. Using video streaming services as the test-case (given their extended usage nowadays), in this paper, we provide studies on three networkimpaired video-sets with the aim to provide a comprehensive evaluation of the effects of networks on video quality. First, the ReTRIeVED video set provides the means to understand the most impairing effects on networks. Furthermore, it triggered the idea to create our own sets, specialized in the most impairing conditions for 2-D and 3-D: the LIMP Video Quality Database and the 3-D-HEVC-Net Video Quality Database. Our study and methodology are meant to provide service providers with the means to pinpoint the working boundaries of their video-sets in face of different network conditions. At the same time, network operators may use our findings to predict how network control policies affect the user's perception of the service.},
  author       = {Torres Vega, Maria and Perra, Cristian and Liotta, Antonio},
  issn         = {0018-9316},
  journal      = {IEEE TRANSACTIONS ON BROADCASTING},
  language     = {eng},
  number       = {2},
  pages        = {220--234},
  publisher    = {Ieee-inst Electrical Electronics Engineers Inc},
  title        = {Resilience of video streaming services to network impairments},
  url          = {http://dx.doi.org/10.1109/TBC.2017.2781125},
  volume       = {64},
  year         = {2018},
}

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