Performance of burst-level bandwidth reservation in ATM LANs

The authors investigate burst-level bandwidth reservation schemes in ATM LANs and compare the performance of REQ/ACK and on-the-fly reservation schemes for a client-server model with a single ATM switch. To compare performance, they derive an analytical model for the mean burst transfer delay, block...

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Bibliographic Details
Main Authors: Cho, You-Ze, Leon-Garcia, Alberto
Format: Conference Proceeding
Language:English
Subjects:
Asynchronous transfer mode
B-ISDN
Bandwidth
Local area networks
Propagation delay
Switches
Telecommunication traffic
Throughput
Traffic control
Workstations
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Summary:The authors investigate burst-level bandwidth reservation schemes in ATM LANs and compare the performance of REQ/ACK and on-the-fly reservation schemes for a client-server model with a single ATM switch. To compare performance, they derive an analytical model for the mean burst transfer delay, blocking probability and throughput. They discuss the dependence of these performance parameters on the propagation delay-to-burst duration ratio and peak rate-to-link speed ratio. They show that, for moderate propagation delay-to-burst duration ratio, the on-the-fly scheme is more desirable since the REQ/ACK scheme has limited achievable throughput for fast reservation traffic due to unused bandwidth during the REQ-ACK cycle. Also, for a given burst length (in bits), the delay performance of REQ/ACK scheme is more sensitive to increase in the peak rate than the on-the-fly scheme.< >
ISSN:0743-166X
DOI:10.1109/INFCOM.1994.337657