Quality of Service (QoS)
Definition
Targeted control and description of service quality.
Quality of Service refers to technical mechanisms and properties that influence factors such as delay, throughput, or packet loss of a service.
Simply explained
Urgent shipments receive different treatment than less time-critical transports.
Why it matters in practice
Time-critical applications can be supported more specifically when resources are limited.
Example from business
A hypothetical office prioritizes voice communication over large background transfers.
Limits and pitfalls
- Prioritization does not create additional overall capacity; end-to-end quality depends on multiple components.
Origin & history
QoS is a fundamental concept in communication and network technology.
Use in mid-sized companies
- First determine relevant quality objectives and bottlenecks.
Frequently asked questions
Is QoS a guarantee?
Only specifically agreed and technically implemented properties are reliable.
Sources
Editorially reviewed on: