A QoS Guarantee Strategy for Multimedia Conferencing based on Bayesian Networks
Junfei Huang, Guochu Shou

TL;DR
This paper introduces a Bayesian network-based, context-aware approach called CABIN to improve QoS in multimedia conferencing systems, significantly enhancing video quality and user satisfaction.
Contribution
The paper presents a novel Bayesian network-based method for causal QoS management in multimedia conferencing, integrating it with web service orchestration.
Findings
CABIN outperforms existing schemes in improving PSNR.
It effectively controls web and communication services.
Experimental results validate its superiority in QoS management.
Abstract
Service Oriented Architecture (SOA) is commonly employed in the design and implementation of web service systems. The key technology to enable media communications in the context of SOA is the Service Oriented Communication. To exploit the advantage of SOA, we design and implement a web-based multimedia conferencing system that provides users with a hybrid orchestration of web and communication services. As the current SOA lacks effective QoS guarantee solutions for multimedia services, the user satisfaction is greatly challenged with QoS violations, e.g., low video PSNR (Peak Signal-to-Noise Ratio) and long playback delay. Motivated by addressing the critical problem, we firstly employ the Business Process Execution Language (BPEL) service engine for the hybrid services orchestration and execution. Secondly, we propose a novel context-aware approach to quantify and leverage the causal…
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Taxonomy
TopicsService-Oriented Architecture and Web Services · Software System Performance and Reliability · Business Process Modeling and Analysis
