A novel ATM traffic scheduler for real-time multimedia data transport with improved packet level QOS

Tsou, Fu-Ming; Chiou, Hong-Bin; Tsai, Zuo‐Min

doi:10.1109/icme.2000.871540

Cited by 3 publications

References 7 publications

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Object-Based Multimedia Scheduling Based on Bipartite Graphs

Sun

Chen

Shu³

2005

IEICE Transactions on Communications

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In this study, we propose an object-based multimedia model for specifying the QoS (quality of service) requirements, such as the maximum data-dropping rate or the maximum data-delay rate. We also present a resource allocation model, called the net-profit model, in which the satisfaction of user's QoS requirements is measured by the benefit earned by the system. Based on the net-profit model, the system is rewarded if it can allocate enough resources to a multimedia delivery request and fulfill the QoS requirements specified by the user. At the same time, the system is penalized if it cannot allocate enough resources to a multimedia delivery request. We first investigate the problem of how to allocate resources efficiently, so that the QoS satisfaction is maximized. However, the net-profit may be distributed unevenly among the multimedia delivery requests. Thus, the second problem discusses how to allocate the resource efficiently so that the net-profit difference is minimized between any two multimedia requests. A dynamic programming based algorithm is proposed to find such an optimal solution with the minimum net-profit differences.

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