: Establishing agreements between service providers and end-users, followed by resource reservation and admission control.
According to the ISO/IEC standard, QoS management is typically structured into three functional stages:
ISO/IEC 13236:1998 - Information technology — Quality of service rld-qos.iso
The framework identifies several key quality characteristics that must be managed to ensure stable and predictable performance:
: Focuses on measurable factors like delay (latency), throughput (bandwidth), and jitter. : Defines the probability of system or storage
: Translating user-level requirements into technical network parameters.
: Defines the probability of system or storage failure and the likelihood of communication disruption. and enforce service levels.
This standard provides a universal model for managing QoS across various network entities. It defines how QoS-related information flows between participants and describes the mechanisms used to monitor, negotiate, and enforce service levels.