Design of the Load Sharing Scheme and Performance Evaluation in Distributed Systems


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 4, No. 8, pp. 2092-2105, Aug. 1997
10.3745/KIPSTE.1997.4.8.2092,   PDF Download:

Abstract

In this paper, we propose a load sharing scheme in distributed systems. In the proposed scheme, the state of each host is classified as a server or a source by its current load and, to prevent excessive state changes of each host, we used three threshold values for identifying the current state of each host. Based on the threshold values, some hosts, called brokers, manage the servers registered to them. The brokers, whose number is determined by the system utilization factor and the total number of hosts, support task migration processes from overloaded sources to lightly loaded servers. Also they can hand over the broker's role to another host when it is overloaded. Simulation studies were performed for examining the sensitivity of each system parameters such as threshold values, utilization factor, the number of hosts, and the number of brokers to the system performance indices including mean response time, mean queue length.


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Cite this article
[IEEE Style]
K. G. Su and E. Y. Ik, "Design of the Load Sharing Scheme and Performance Evaluation in Distributed Systems," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 4, no. 8, pp. 2092-2105, 1997. DOI: 10.3745/KIPSTE.1997.4.8.2092.

[ACM Style]
Kim Gu Su and Eom Young Ik. 1997. Design of the Load Sharing Scheme and Performance Evaluation in Distributed Systems. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 4, 8, (1997), 2092-2105. DOI: 10.3745/KIPSTE.1997.4.8.2092.