Performance analysis of a web server supporting multiple classes of requests
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abstract
We consider a web server that supports two classes of requests, streaming and elastic. Due to the varying Quality of Service requirements and analytical complexity involved, there is little research that considers a single model capturing the needs of all classes of requests. The shortcoming in addressed as follows: (i) a matrix geometric method is used to analytically derive performance measures, (ii) a mathematical model is formulated that caters to the multiple objectives, (iii) a cost model is developed to obtain an admission control policy that utilizes the processing capacity optimally. Further, we compare our policy against existing priority and resource partitioning policies.