Applying traffic smoothing techniques for quality of service control in VBR video transmissions

Authors:
Junbiao Zhang;Joseph Hui
Affiliations:
C&C Research Lab, NEC USA, Princeton NJ, 08540 U.S.A.;Department of Information Engineering, Chinese University of Hong Kong, Shatin, Hong Kong, China
Venue:
Computer Communications
Year:
1998

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Abstract

In this paper, we examine the fundamental relationship among quality of service, connection cost and traffic smoothing in VBR video transmissions. In particular, we discuss how traffic smoothing can help improving the quality of service and(or) reducing the network cost for a VBR video session. For this purpose, we present an effective and efficient traffic smoothing technique called the 'minimum polyline smoothing'. Based on this technique, we can minimize the connection costs for deterministic services and dynamically adjust QoS parameters for statistical services in VBR video transmissions.