+Quality of Service (QoS) defines how well a service performs, often in [Computer Networks](/wiki/computer_networks). It measures crucial factors like speed and reliability, ensuring consistent experiences for time-sensitive applications like [Real-time Systems](/wiki/real_time_systems).
+## See also
+- [Bandwidth](/wiki/bandwidth)
+- [Latency](/wiki/latency)
+- [Packet Switching](/wiki/packet_switching)
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