Characteristics of Video Traffic from Videoconference Applications: From H.261 to H.264
This paper presents modelling results for H.26x video traffic generated by popular videoconference software applications. The analysis of videoconference data, that were measured during realistic point-point videoconference sessions, led us to the general conclusion that the traffic can be distingui...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2013-01-01
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| Series: | Journal of Computer Networks and Communications |
| Online Access: | http://dx.doi.org/10.1155/2013/614157 |
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| _version_ | 1849696385882914816 |
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| author | S. Domoxoudis S. Kouremenos V. Loumos A. Drigas |
| author_facet | S. Domoxoudis S. Kouremenos V. Loumos A. Drigas |
| author_sort | S. Domoxoudis |
| collection | DOAJ |
| description | This paper presents modelling results for H.26x video traffic generated by popular videoconference software applications. The analysis of videoconference data, that were measured during realistic point-point videoconference sessions, led us to the general conclusion that the traffic can be distinguished into two categories: unconstrained and constrained. In the unconstrained traffic, there is a direct relation between the encoder and the form of the frequency histogram of the frame-size sequence. Moreover, for this type of traffic, strong correlations between successive video frames can be found. On the other hand, where bandwidth constraints are imposed during the encoding process, the generated traffic appears to exhibit similar characteristics for all the examined encoders with the very low autocorrelation values being the most notable one. On the basis of these results, this study proposes methods to calculate the parameters of a widely adopted autoregressive model for both types of traffic. |
| format | Article |
| id | doaj-art-c8028f7116d64d7e8fbb9ae07aac27e6 |
| institution | DOAJ |
| issn | 2090-7141 2090-715X |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Computer Networks and Communications |
| spelling | doaj-art-c8028f7116d64d7e8fbb9ae07aac27e62025-08-20T03:19:29ZengWileyJournal of Computer Networks and Communications2090-71412090-715X2013-01-01201310.1155/2013/614157614157Characteristics of Video Traffic from Videoconference Applications: From H.261 to H.264S. Domoxoudis0S. Kouremenos1V. Loumos2A. Drigas3Multimedia Technology Laboratory, School of Electrical and Computer Engineering, National Technical University of Athens “NTUA”, Zographou 15780, Attiki, GreeceNational Center for Scientific Research “DEMOKRITOS”, Institute of Informatics and Telecommunications, Ag. Paraskevi 15310, Attiki, GreeceMultimedia Technology Laboratory, School of Electrical and Computer Engineering, National Technical University of Athens “NTUA”, Zographou 15780, Attiki, GreeceNational Center for Scientific Research “DEMOKRITOS”, Institute of Informatics and Telecommunications, Ag. Paraskevi 15310, Attiki, GreeceThis paper presents modelling results for H.26x video traffic generated by popular videoconference software applications. The analysis of videoconference data, that were measured during realistic point-point videoconference sessions, led us to the general conclusion that the traffic can be distinguished into two categories: unconstrained and constrained. In the unconstrained traffic, there is a direct relation between the encoder and the form of the frequency histogram of the frame-size sequence. Moreover, for this type of traffic, strong correlations between successive video frames can be found. On the other hand, where bandwidth constraints are imposed during the encoding process, the generated traffic appears to exhibit similar characteristics for all the examined encoders with the very low autocorrelation values being the most notable one. On the basis of these results, this study proposes methods to calculate the parameters of a widely adopted autoregressive model for both types of traffic.http://dx.doi.org/10.1155/2013/614157 |
| spellingShingle | S. Domoxoudis S. Kouremenos V. Loumos A. Drigas Characteristics of Video Traffic from Videoconference Applications: From H.261 to H.264 Journal of Computer Networks and Communications |
| title | Characteristics of Video Traffic from Videoconference Applications: From H.261 to H.264 |
| title_full | Characteristics of Video Traffic from Videoconference Applications: From H.261 to H.264 |
| title_fullStr | Characteristics of Video Traffic from Videoconference Applications: From H.261 to H.264 |
| title_full_unstemmed | Characteristics of Video Traffic from Videoconference Applications: From H.261 to H.264 |
| title_short | Characteristics of Video Traffic from Videoconference Applications: From H.261 to H.264 |
| title_sort | characteristics of video traffic from videoconference applications from h 261 to h 264 |
| url | http://dx.doi.org/10.1155/2013/614157 |
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