The better method to resolve it is using Best-Than-Best-Effort(BBE) network which includes Integrated Services(IntServ), Differentiated Service(DiffServ) and ATM.

• BBE服务网络能够提供不同级别的QoS，目前包括综合业务模型（IntServ）、异步传输模式（ATM）和分类业务模型（DiffServ）。