Quality of Service (QoS) encompasses a set of technologies for managing network traffic in a cost-effective manner to enhance user experiences in home and enterprise environments. QoS technologies allow you to measure bandwidth, detect changing network conditions (such as congestion or availability of bandwidth), and prioritize or throttle traffic. For example, QoS can be applied to prioritize the delivery of latency-sensitive traffic (such as voice or video applications) and to control the impact of latency-insensitive traffic such as bulk data transfers. Providing prioritized delivery for TCP/IP traffic requires support from hosts and network infrastructure devices. This column describes the methods for using QoS with Microsoft® Windows®-based hosts.
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