On the mutual influence of data and video traffic in video-over-DSL services

Author

Rincón, David ; Rib, Aristides ; Sallent, Sebastià

Author_Institution

Univ. Politecnica de Catalunya, Barcelona, Spain

fYear

2004

fDate

25-28 April 2004

Firstpage

265

Lastpage

270

Abstract

Several European xDSL operators have launched or are going to launch video-over-DSL services in which the DSL link is shared by a data service (IP, UDP and TCP) and a video channel (typically an MPEG-2 flow). Since video is usually favored by assigning a higher priority (via a class-based scheduling discipline), TCP adapts itself to the fractal properties of the video flow, which is known to have a high level of fractality. This paper sets up a ns-2 simulation for the analysis of the mutual influence of video and data traffic in a DSL link and verifies the fractality propagation phenomenon. This paper also explains the fractality of the data transmitted from one traffic flow to another.

Keywords

digital subscriber lines; fractals; telecommunication channels; telecommunication links; telecommunication services; transport protocols; visual communication; data traffic; fractality propagation phenomenon; ns-2 simulation; transport control protocols; video channel; video traffic; video-over-DSL services; Bandwidth; DSL; Filter bank; Fractals; Stochastic processes; TCPIP; Telecommunication traffic; Traffic control; Video sharing; Wavelet transforms;

fLanguage

English

Publisher

ieee

Conference_Titel

Local and Metropolitan Area Networks, 2004. LANMAN 2004. The 13th IEEE Workshop on

Print_ISBN

0-7803-8551-9

Type

conf

DOI

10.1109/LANMAN.2004.1338443

Filename

1338443