Definitions[]
European Union[]
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[]
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] | ” |