21 May 2015 Encryption for confidentiality of the network and influence of this to the quality of streaming video through network
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Abstract
Nowadays, the interest in real-time services, like audio and video, is growing. These services are mostly transmitted over packet networks, which are based on IP protocol. It leads to analyses of these services and their behavior in such networks which are becoming more frequent. Video has become the significant part of all data traffic sent via IP networks. In general, a video service is one-way service (except e.g. video calls) and network delay is not such an important factor as in a voice service. Dominant network factors that influence the final video quality are especially packet loss, delay variation and the capacity of the transmission links. Analysis of video quality concentrates on the resistance of video codecs to packet loss in the network, which causes artefacts in the video. IPsec provides confidentiality in terms of safety, integrity and non-repudiation (using HMAC-SHA1 and 3DES encryption for confidentiality and AES in CBC mode) with an authentication header and ESP (Encapsulating Security Payload). The paper brings a detailed view of the performance of video streaming over an IP-based network. We compared quality of video with packet loss and encryption as well. The measured results demonstrated the relation between the video codec type and bitrate to the final video quality.
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L. Sevcik, L. Sevcik, D. Uhrin, D. Uhrin, J. Frnda, J. Frnda, M. Voznak, M. Voznak, Homer Toral-Cruz, Homer Toral-Cruz, M. Mikulec, M. Mikulec, Sergej Jakovlev, Sergej Jakovlev, } "Encryption for confidentiality of the network and influence of this to the quality of streaming video through network", Proc. SPIE 9497, Mobile Multimedia/Image Processing, Security, and Applications 2015, 94970A (21 May 2015); doi: 10.1117/12.2177555; https://doi.org/10.1117/12.2177555
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