How it works. 6/30/2020; 26 minutes to read +1; In this article. They are. The queue management system is a set of tools and sub-systems assist in controlling customers’ flow, managing the waiting time and enhancing customers’ experience for multiple industries including banking, healthcare, retails, education, government, and telecom. A queue is a temporary holding location for messages that are waiting to enter the next stage of processing or delivery to a destination. Each queue represents a logical set of messages that the Exchange server processes in a specific order. It is an abstract data type in which the data is arranged in a linear fashion. Now that we know what queue management systems are, it’s time to look at different types of QMS. Theoretically, a queue is considered as a sequential collection of entities which can be modified by the addition of entities at one end of the sequence known as the rear end and removal from the other end of the sequence known as the front end of the queue. Types of queue Structured queues In this type of queue operations are performed on first in first out basis i.e the element that has inserted first will be one that will be deleted first. Chapter 3: Types of queue management systems. Queue can be classified into following types: • Circular Queue • Priority Queue • De-queue. Physical management. Circular Queue: In a normal Queue, we can insert elements until queue becomes full. The following code example demonstrates several methods of the Queue generic class. The code example creates a queue of strings with default capacity and uses the Enqueue method to queue five strings. Examples. The elements of the queue are enumerated, which does not change the state of the queue. 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