Definitions[edit | edit source]

European Union[edit | edit source]

Quality of service (QoS) is

[the] quality specification of a telecommunications channel, system, virtual channel, computer-telecommunications session, etc. . . . Quality of service may be measured, for example, in terms of signal-to-noise ratio, bit error rate, message throughput rate or call blocking probability.[1]

Information technology[edit | edit source]

Quality of service (QoS)

[is] a network property that specifies a guaranteed throughput level. It categorizes different types of network traffic to prioritize latency-sensitive data over non-latency-sensitive data.
refers to end-to-end performance guarantees offered by a network.[2]

References[edit | edit source]

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