Quality of Service Routing and Mechanisms for Improving Video Streaming over Mobile Wireless Ad hoc Networks

Hernández, Castellanos; Eduardo, Wilder

doi:10.4995/thesis/10251/53238

Cited by 1 publication

(2 citation statements)

References 70 publications

(87 reference statements)

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“…Using a buffer some problems are solved, such as packet delay and the audio-video synchronization. Another conventional technique es the real time streaming, which consists on the establishment of a session between the video provider and users using a specialized network protocol (Castellanos Hernández, 2015).…”

Section: Adaptive Video Transmissionmentioning

confidence: 99%

“…Bu¡er Reception However, conventional methods for video streaming are not flexible techniques since video content is delivered to the client using a constant bit rate over a fluctuating connection. Therefore, if a communication link is suffering congestion, quality of the video is significantly degraded, as preliminary studies have revealed (Castellanos Hernández, 2015;González, Castellanos, Guzmán, Arce, & Guerri, 2016). Some alternatives for conventional video delivery methods are the adaptive streaming techniques.…”

Section: Constant Emission Rate Available Videomentioning

confidence: 99%

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Advanced techniques for adaptive video streaming in SDNs

Castellanos,

Bustos,

Sanabria

2021

Preprint

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In the coming years a new management model of telecommunication networks will begin to be implemented. This model, known as Software Defined Networks, implies a radical change in the way networks are conceived today. Therefore, it is necessary to develop studies that allow to know this scenario and its implications during the transmission of different types of traffic. Especially, it is important to analyze the behavior of video traffic due to the significant increase of these flows through networks as well as to the massive use of new video services with ultra-high resolution formats. This fact also implies an enormous consumption of network resources like bandwidth. Likewise, the likelihood to impact on other traffic flows that coexist in the same network is increased caused by network congestion. Under these conditions the ability to adapt the video streams to the available resources of the network is an essential requirement in modern video services in order to prevent network congestion. Therefore, adaptive techniques for video transmission have become an important area of interest for researchers, technology providers and network operators.This chapter briefly describes a study on software-defined networks and the tools necessary for video transmission on this type of networks. Among the aspects presented is the methodology used to establish the video transmission and the procedure to evaluate the quality obtained. A video transmission experiment is presented, which consists on the evaluation of adaptive transmission of video streams using adaptive techniques as MPEG/DASH and scalable coding. The experiments were carried out over a software-defined network topology in the MININET platform.

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Section: Adaptive Video Transmissionmentioning

confidence: 99%

Section: Constant Emission Rate Available Videomentioning

confidence: 99%