Abstract
The increasing demand for real-time multimedia applications targeting groups of users, together with the need for assuring high quality support for end-to-end content distribution, is motivating the scientific community and industry to develop novel control, management and optimization mechanisms with Quality of Service (QoS) and Quality of Experience (QoE) support. In this context, this paper introduces Q-OSys (QoS-routing with Systematic Access), a distributed QoS-routing approach for enhancing future networks with autonomous mechanisms orchestrating admission control, per-class overprovisioning, IP Multicast and load-balancing to efficiently support multi-user multimedia sessions. Simulation experiments were carried to show the efficiency and impact of Q-OSys on network resources (bandwidth utilization and packet delay). Q-OSys is also evaluated from a user point-of-view, by measuring well-known objective and subjective QoE metrics, namely Peak Signal to Noise Ratio (PSNR), Structural Similarity (SSM) Video Quality Metric (VQM) and Mean Opinion Score (MOS).
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© 2012 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Alexandre, L., Neto, A., Cerqueira, E., Figueiredo, S., Aguiar, R.L. (2012). Supporting Multimedia Services in the Future Network with QoS-routing. In: Pentikousis, K., Aguiar, R., Sargento, S., Agüero, R. (eds) Mobile Networks and Management. MONAMI 2011. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 97. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30422-4_23
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DOI: https://doi.org/10.1007/978-3-642-30422-4_23
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