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Dynamic bandwidth allocation scheme for multimedia data over asynchronous transfer mode networks

Dynamic bandwidth allocation scheme for multimedia data over asynchronous transfer mode networks Admission control and bandwidth allocation mechanisms have been widely investigated for asynchronous transfer mode (ATM) networks. The criteria for a new call to be accepted should guarantee the required performance for the new call without degrading the quality of service of the existing calls. In order to efficiently manage the network resources, an architecture for a structured logical partition of network resources among traffic classes with different grades of service has been proposed by Bolla et al . in 1993. In this paper, a new dynamic bandwidth allocation scheme called the minimum overflow traffic block algorithm (MOTA) is proposed to assign the bandwidth for each traffic class in the hierarchical admission control structure in an ATM network. The traffic types can be videos, image, voice, and so on. An overflow traffic function Q is used to adjust the bandwidth assignment each time a new connection is required. This algorithm sets the mean blocked traffic over the ATM link as the optimization object function Q and adjusts the bandwidth assignment to each traffic class by optimizing Q . This paper uses mean cell loss probability as the quality of service (QoS) for the performance measurement of the system. This novel approach can minimize the mean cell loss probability of the system by optimizing Q when the cell delay constraints are satisfied. © 1996 Society of Photo−Optical Instrumentation Engineers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Optical Engineering SPIE

Dynamic bandwidth allocation scheme for multimedia data over asynchronous transfer mode networks

Zhou, Han
Optical Engineering , Volume 35 (1) – Jan 1, 1996
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Publisher
SPIE
Copyright
Copyright © 1996 American Institute of Physics
ISSN
0091-3286
eISSN
1560-2303
DOI
10.1117/1.600892
Publisher site
See Article on Publisher Site

Abstract

Admission control and bandwidth allocation mechanisms have been widely investigated for asynchronous transfer mode (ATM) networks. The criteria for a new call to be accepted should guarantee the required performance for the new call without degrading the quality of service of the existing calls. In order to efficiently manage the network resources, an architecture for a structured logical partition of network resources among traffic classes with different grades of service has been proposed by Bolla et al . in 1993. In this paper, a new dynamic bandwidth allocation scheme called the minimum overflow traffic block algorithm (MOTA) is proposed to assign the bandwidth for each traffic class in the hierarchical admission control structure in an ATM network. The traffic types can be videos, image, voice, and so on. An overflow traffic function Q is used to adjust the bandwidth assignment each time a new connection is required. This algorithm sets the mean blocked traffic over the ATM link as the optimization object function Q and adjusts the bandwidth assignment to each traffic class by optimizing Q . This paper uses mean cell loss probability as the quality of service (QoS) for the performance measurement of the system. This novel approach can minimize the mean cell loss probability of the system by optimizing Q when the cell delay constraints are satisfied. © 1996 Society of Photo−Optical Instrumentation Engineers.

Journal

Optical Engineering – SPIE

Published: Jan 1, 1996

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