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An efficient ATM traffic scheduler for supporting multimedia services with improved packet level QoS

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3 Author(s)
Hong-Bin Chiou ; Telecommun. Labs., Chungwa Telecom Co. Ltd., China ; Fu-Ming Tsou ; Zsehong Tsai

We propose a novel and efficient traffic scheduling scheme called multi-layer gated frame queueing (MGFQ) to support real-time multimedia services in the ATM networks. MGFQ employs only one set of FIFO queues to provide a wide range of QoS for real-time applications over ATM networks. We also propose a hybrid design to allow MGFQ to combine its scheduling scheme with age priority packet discarding (APPD) scheme. For this hybrid design, the cell level performance as well as the packet level QoS can be improved at the same time. Simulation results show that this hybrid design will be useful for packetized voice and progressive layer-compressed video transmission across the backbone networks. With MGFQ, a receiver can allocate less resources to compensate the disturbed cell arrivals

Published in:

Networks, 2000. (ICON 2000). Proceedings. IEEE International Conference on

Date of Conference:

2000