NDLI: A dynamic priority scheme for broadband switching

Content Provider	IEEE Xplore Digital Library
Author	Kianto, H. Hsiao, M.-T.T.
Copyright Year	1989
Description	Author affiliation: Sch. of Electr. Eng., Purdue Univ., West Lafayette, IN, USA (Kianto, H.; Hsiao, M.-T.T.)
Abstract	A dynamic priority scheme for a broadband communication switching architecture that combines the flexibility of statistical multiplexing with the fixed size packet slots found in time-division multiplexing is proposed. The technique presented recognizes two major classes of customers with two levels of priority: higher-level priority for isochronous traffic and lower-level priority for nonisochronous traffic. At any point in time, packets belonging to the isochronous class are served in favor of their nonisochronous counterparts. Nonisochronous packets are served only when there are no isochronous packets ready for transmission. A subpriority counting scheme is exercised in the isochronous class to allocate the transmission facility effectively and equitably and hence minimize the variation of time delay not tolerable by most real-time applications. Under this transmission strategy, packet switching can be satisfactorily accommodated with or without adopting a slight modification to the switch. In addition, the proposed technique has a potentially high bandwidth utilization factor, the flexibility to adapt to different communication environments, and the inherent structural simplicity of the fixed-size packet approach.<>
Starting Page	1203
Ending Page	1207
File Size	536959
Page Count	5
File Format	PDF
DOI	10.1109/ICC.1989.49873
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-06-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Traffic control Packet switching Switches Delay Narrowband Time division multiplexing Telecommunication traffic Communication switching Bandwidth Resource management
Content Type	Text
Resource Type	Article

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