A bottleneck refers to a point in a process where the flow of data or operations is restricted, causing delays and reducing overall efficiency. In the context of queueing systems, such as M/G/1 and G/M/1, a bottleneck can occur when the service rate is insufficient to handle incoming traffic, leading to increased wait times and congestion within the system. Understanding and managing bottlenecks is crucial for optimizing performance and ensuring smooth operation in these types of queues.
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