Definition: QoS (Quality of Service) refers to a broad
collection of networking technologies and techniques. The goal of QoS is
to provide guarantees on the ability of a network to deliver
predictable results. Elements of network performance within the scope of
QoS often include availability (uptime), bandwidth (throughput), latency (delay), and error rate.
QoS involves prioritization of network traffic. QoS can be targeted at a network interface, toward a given server or router's performance, or in terms of specific applications. A network monitoring system must typically be deployed as part of QoS, to insure that networks are performing at the desired level.
QoS is especially important for the new generation of Internet applications such as VoIP, video-on-demand and other consumer services.
QoS involves prioritization of network traffic. QoS can be targeted at a network interface, toward a given server or router's performance, or in terms of specific applications. A network monitoring system must typically be deployed as part of QoS, to insure that networks are performing at the desired level.
QoS is especially important for the new generation of Internet applications such as VoIP, video-on-demand and other consumer services.
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