QoS in Networking refers to Quality of Service techniques used to manage, prioritize, and optimize network traffic for better performance and reliability. It ensures that critical applications such as voice, video, cloud services, and business applications receive sufficient bandwidth and priority over less important traffic. QoS uses methods like traffic classification, marking, queuing, shaping, policing, and congestion management to control data flow across the network. These techniques help reduce latency, jitter, packet loss, and network congestion. QoS improves application responsiveness, communication quality, and overall user experience in enterprise and service provider environments. It plays a vital role in maintaining stable and efficient network operations under varying traffic conditions.
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