Queuing Theory: Usage Limitations in IT from MeasureIT Issue 16.2 (2016)
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August 15, 2016By Dr. Terry Critchley
The theory of queuing, as we have seen in many articles and books, assumes particular types of distributions for the arrivals at a server in order to calculate the parameters of interest in service performance analysis. Get the distribution wrong and you have the calculation based on this fact, that is, fairly useless. In addition, it is sometimes possible to alter the input distribution if you have control over the input, for example, how many people can enter data over what period.
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About the Author
Dr. Terry Critchley is a retired IT consultant living near Manchester in the UK. He joined IBM as a Systems Engineer after gaining a PhD and spent 24 years there in a variety of accounts and specialisations, latterly joining Oracle for 3 years. He joined his last company, Sun Microsystems in 1996 and left there in 2002 and then spent a year at a major UK bank. He is now an author of numerous IT articles and the following books:
- High Availability IT Services [December 2014]
- High Performance IT Services [due in August 2016]
- Making It in IT [due in October 2016]
