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QoS (Quality of Service)

Quality of Service (QoS) is a term used in the field of telecommunications and networking to describe the overall performance of a telephony or computer network, particularly the performance seen by the users of the network.

  • Traffic Prioritization: QoS mechanisms can prioritize certain types of network traffic over others, ensuring that critical applications, like voice over IP (VoIP) or streaming video, receive higher priority and more bandwidth compared to less sensitive applications.

  • Managing Network Resources: QoS involves managing and controlling network resources by setting priorities for specific types of data on the network. This ensures efficient use of the network and can improve the user experience for critical applications.

  • Reducing Latency and Jitter: QoS is crucial for reducing latency (delay in data transmission) and jitter (variability in packet delay) in real-time applications like online gaming, video conferencing, and live streaming.

  • Traffic Shaping: This involves controlling the flow of network traffic to prevent network congestion and ensure that each service receives its required performance.

  • Policy Enforcement: In a business environment, QoS policies can be set to enforce how network resources are allocated among different departments or services.

Quality of Service is essential for ensuring that network performance meets the specific requirements of different applications and services, thereby enhancing the overall user experience and efficiency of network utilization.

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