Tuning of QoS Aware Load Balancing Algorithm (QoS-LB) for Highly Loaded Server Clusters

Authors:
Kimmo Kaario;Timo Hämäläinen;Jian Zhang
Affiliations:
-;-;-
Venue:
ICN '01 Proceedings of the First International Conference on Networking-Part 2
Year:
2001

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Abstract

This paper introduces a novel algorithm for content based switching. A content based scheduling algorithm (QoS Aware Load Balancing Algorithm, QoS-LB) which can be used at the front-end of the server cluster is presented. The front-end switch uses the content information of the requests and the load on the back servers to choose the server to handle each request. At the same time, different Quality of Service (QoS) classes of the customers can be considered as one parameter in the load balancing algorithm. This novel feature becomes more important when service providers begin to offer the same services for customers with different priorities.