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A Comparison Study of DASH Technique by Video Streaming over IP with the Use of RTP and HTTP Protocols

Hoppe Christian, Uhl Tadeus

Journal of Telecommunications and Information Technology

2020

nr 1

70--75

Today’s Internet knows no bounds. New applications are marketed every single day. Many of them incorporate video sequences. These must be transported over the Internet quickly (often in real time). However, the Internet has not been designed for live communications and, regrettably, this may become apparent all too quickly. Countermeasures are required in the form of new, eﬃcient transport techniques facilitating online video services. MPEG-DASH is one of such modern techniques. But how good is this new technique really? This paper delves into the matter. The paper contains an analysis of the impact that the new technology exerts on the quality of video streaming over IP networks. It also describes a new numerical tool – QoSCalc (DASH-HTTP) which has been used to analyze MPEG-DASH under diﬀerent use scenarios. The results are presented graphically and their interpretation is provided

New Tool for Examining QoS in the VToIP Service

Uhl T., Nowicki K., Paulsen S.

Journal of Telecommunications and Information Technology

2014

nr 1

10--15

This paper is dedicated to the subject of measuring QoS in the Video Telephony over IP (VToIP) service. QoS measurement models in general and then models designed specifically for measuring QoS in the VToIP service are presented. A new numerical tool for examining the quality of VToIP video streams VToIP is described. The tool’s functionality is then put to the test in a number of analysis scenarios. The results and insights gained from the analyses are then presented in several diagrams, and interpreted. The paper concludes with a summary and an outlook on further areas of work.