A QoS-aware transcoding system using composite multimedia document and component merge queue

Authors:
Chung-Hsien He;Ren-Song Ko
Affiliations:
Department of Computer Science and Information Engineering, National Chung Cheng University, Chia-Yi, Taiwan;Department of Computer Science and Information Engineering, National Chung Cheng University, Chia-Yi, Taiwan
Venue:
ICCOM'06 Proceedings of the 10th WSEAS international conference on Communications
Year:
2006

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Abstract

In recent years, most of the research work on transcoding proxies in mobile computing environments mainly focus on designing the architectures of systems for achieving power conservation, high scalability, and high bandwidth utilization. However, fully transforming a document still causes extra burden on the system and increases response time. We propose a document structure, composite multimedia document or CMD, and a new system architecture, component merge queuing transcoding proxy or CMQTP, to improve overall performance. Several simulations are conducted to measure the performance of CMQTP cooperating with CMD. The results show that the proposed architecture is more scalable than traditional client-server systems and is able to effectively control the system load to attain the desired QoS.