Differentiated Services Architecture and Implementation
区分服务体系结构及其实现

Applications with diverse quality requirement have grown rapidly in recent years, which can not be supported by the single best-effort level of service of traditional Internet.Network researchers and managers are actively looking for better ways to service their customers. In this article, we discuss some recent efforts in Differentiated Services Architecture proposed by IETF.The actual mechanisms adopted classification and Per Hop Behavior(PHB) in diffserv domain,which can be implemented by the equipment available,to support different level quality of services.