Abstract:
Embodiments of the present invention pertain to the communications field and disclose a method, device, and system for managing quality of service. The method includes: receiving a service request; determining, according to configuration information, devices participating in negotiation on quality of service; and determining, according to a negotiation result of the devices participating in negotiation on quality of service, quality of service corresponding to the service request. The device includes: a receiving module, a first determining module and a second determining module. In the embodiments of the present invention, devices participating in negotiation on quality of service are determined according to configuration information, and the corresponding quality of service is determined according to the negotiation result of the devices participating in negotiation on quality of service, thereby not being limited to the subscription result of the HLR, and implementing flexible management for quality of service.