Patent ID: 9397908
Filing Date: 2016-07-19
CPC Classification: H04L

Claim Text:
1. A method for acquiring quality of service (QoS) control information comprising: sending, by a border gateway device embedded with a policy and charging enforcement function entity (PCEF), a first request message for acquiring QoS control information and a time for reacquiring QoS control information to a device embedded with a policy control and charging rules function entity (PCRF); receiving, by the border gateway device embedded with the PCEF, a first response message returned by the device embedded with the PCRF, wherein the first response message carries the QoS control information and a time for reacquiring QoS control information from the device embedded with the PCRF, and wherein the time for reacquiring QoS control information from the device embedded with the PCRF is a time point, determined by the device embedded with the PCRF according to a random algorithm, in a time period from a receiving time of the first request message sent by the border gateway device embedded with the PCEF for acquiring QoS control information to an update time of the QoS control information; determining, by the border gateway device embedded with the PCEF, that the time for reacquiring QoS control information from the device embedded with the PCRF arrives, and sending a second request message for reacquiring QoS control information to the PCRF; receiving, by the border gateway device embedded with the PCEF, a second response message returned by the device embedded with the PCRF, wherein the second response message carries reacquired QoS control information and an effective time of the reacquired QoS control information; determining, by the border gateway device embedded with the PCEF, that the effective time of the reacquired QoS control information has been reached; and executing QoS control according to the reacquired QoS control information when the effective time of the reacquired QoS control information has been reached.