Calculation Methods for Slot Utilization Based on Erasure nodes in DQDB Networks


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 5, No. 10, pp. 2654-2662, Oct. 1998
10.3745/KIPSTE.1998.5.10.2654,   PDF Download:

Abstract

Maximum single bus throughput of standard IEEE 802.6 DQDB (Distributed Queue Dual Bus) is not obtained over 1. Therefore, lots of studies for improving bus throughput have done by QA slot preuse/reuse. We propose three calculation methods for network's utilization with preuse/reuse scheme based on erasure nodes. One is calculation method by traffic density function, other is calculation method for obtaining maximum throughput. The other is calculation method using probability concept which follows real DQDB operation mechanisms. The calculated throughputs are compared with each others. The results shows some favorite phenomena. The proposed calculation methods can be easily expanded in number of nodes or in number of erasure nodes.


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Cite this article
[IEEE Style]
K. Chonggun, C. K. Sook, O. B. Suk, "Calculation Methods for Slot Utilization Based on Erasure nodes in DQDB Networks," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 5, no. 10, pp. 2654-2662, 1998. DOI: 10.3745/KIPSTE.1998.5.10.2654.

[ACM Style]
Kim Chonggun, Cho Kyoung Sook, and Oh Bum Suk. 1998. Calculation Methods for Slot Utilization Based on Erasure nodes in DQDB Networks. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 5, 10, (1998), 2654-2662. DOI: 10.3745/KIPSTE.1998.5.10.2654.