DSCP (Differentiated Services Code Point) tagging is a way to classify and prioritize network traffic in order to provide Quality of Service (QoS) in a network. By assigning a specific DSCP value to each packet of data, network administrators can establish different levels of priority for different types of traffic.
DSCP values range from 0 to 63, with lower values indicating lower priority and higher values indicating higher priority. These values are typically set in the header of the packets by network devices such as routers and switches.
DSCP tagging is often used in conjunction with other QoS mechanisms such as queuing and traffic shaping to ensure that critical traffic, such as VoIP calls or video streaming, receives higher priority and is not delayed or dropped during times of network congestion.
Overall, DSCP tagging helps to ensure that network resources are properly allocated and that important traffic is given preference over less critical traffic. It is an essential tool for maintaining network performance and user experience in modern networks.
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