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Issue No.01 - January (1997 vol.46)
pp: 1-13
<p><b>Abstract</b>—Next-generation networks are expected to support a wide variety of services. Some services such as video, voice, and plant control traffic have explicit timing requirements on a per-message basis rather than on the average. In this paper, we develop a general model of dual-link networks to support real-time communication. We examine the desirable properties of this network and the difficulties in achieving these properties. We then introduce the concept of <it>coherence</it> and develop a theory of coherent dual-link networks. We show that a coherent dual-link network can be analyzed as though it is a centralized system. We then discuss practical considerations in implementing a dual-link network, and implications of this work to address problems observed in the IEEE 802.6 metropolitan area network standard.</p>
Real-time scheduling, dual-link networks, coherence, priority, preemption, schedulability, T-schedulability, flow control, IEEE 802.6, DQDB.
Lui Sha, Shirish S. Sathaye, Jay K. Strosnider, "Analysis of Dual-Link Networks for Real-Time Applications", IEEE Transactions on Computers, vol.46, no. 1, pp. 1-13, January 1997, doi:10.1109/12.559798
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