An Efficient Load Balancing Technique in Cluster Based VOD Servers using the Dynamic Buffer Partitioning


KIPS Transactions on Computer and Communication Systems, Vol. 9, No. 5, pp. 709-718, Oct. 2002
10.3745/KIPSTC.2002.9.5.709,   PDF Download:

Abstract

Cluster based VOD systems require elaborate load balancing and buffer management techniques in order to ensure real-time display for multiuser concurrently. In this paper, we propose a new load balancing technique based on the dynamic buffer partitioning in cluster based VOD servers. The proposed technique evenly distribute the user requests into each service node according to its available buffer capacity and disk access rate. In each node, the dynamic buffer partitioning technique dynamically partitions the buffer to minimize the average waiting time for the requests that access the same continuous media. The simulation results show that our proposed technique decreases the average waiting time by evenly distributing the user requests compared with the exiting techniques and then increases the throughput in each node. Particularly under the overloaded condition in the cluster server, the simulation probes that the performance of the proposed technique is better two times than the Generalized Interval Caching based technique.


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Cite this article
[IEEE Style]
C. J. Kwon, Y. J. Kim and H. K. Choi, "An Efficient Load Balancing Technique in Cluster Based VOD Servers using the Dynamic Buffer Partitioning," KIPS Journal C (2001 ~ 2012) , vol. 9, no. 5, pp. 709-718, 2002. DOI: 10.3745/KIPSTC.2002.9.5.709.

[ACM Style]
Chun Ja Kwon, Young Jin Kim, and Hwang Kyu Choi. 2002. An Efficient Load Balancing Technique in Cluster Based VOD Servers using the Dynamic Buffer Partitioning. KIPS Journal C (2001 ~ 2012) , 9, 5, (2002), 709-718. DOI: 10.3745/KIPSTC.2002.9.5.709.