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The queuing theory deals with the most undesirable lines on our life Undesirable. We experience the queues in several parts on our life. For instance, we get into line at bank, supermarkets, salons, petrol stations, and public departments, and waste many minuets or can be hours by only waiting to be served. Moreover, there are several invisible queues that we see them only from the software and hardware system such as request by user into web service get into the queue until finish. The goals of this paper to know how implementing of the queuing theory in multiple places could increase the efficiency of the work system that can effect positively the profits by decreasing the waiting time in the queues. Introduction Historically, the queuing theory was raised by Agenr Krarup Erlang when he treated congestion problems in the beginning of 20th century. His work was an inspiration to many engineers to implement the queuing theory to deal with the queuing problems .After that results of the queuing theory have been used in many sides such as operation research, traffic engineering, and computer science. The organization that care of business profits and clients can be provided as queuing theory. The queuing theory is the mathematical study of reducing waiting lines. We can predict the time and the length of queues by using the queuing theory. Hence, using the queuing theory has become fundamental part of many business sectors. Considerable body of entrepreneurs or the responsible of the work system have shown that queuing theory can be useful in real business world by setting the balance between the capacity problems against the productivity and services. Moreover, it manages losing sales, customers, and money due to the waiting time. Reducing the waiting time, and providing appropriate service to clients in short period are important elements that should be considered for any service provider. In many stores and public department, management has tried to minimize the frustration of customers by increasing the speed of the checkout and cashier lines. How to implement the queuing theory? There are two elements to deal with. They are service time and arrivals rate. Each of those elements must be collected and applied to the theory. The theory aims to generate a simple model that helps maximize service time and increase customer satisfaction. This paper will apply the queuing theory to development the system work, the capacity of production, and increasing the profits as an attempt to make it better and better. Thus, we need model to analyze such situations
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