2005•Dalian Ligong Daxue xuebaoRequires access
Admission control scheme for differentiated services and its multicast environment
Chengbo Huang, Jie Zhou
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Abstract
An admission control scheme based on the centralized Bandwidth Broker(BB) is proposed to provide End-to-End Quality of Service(QoS) guarantee for the Differentiated Services(DiffServ) and its multicast environment.The BBs maintain the QoS state information and multicast information for the DiffServ domains and perform admission control and resources reservation with the help of the QoS signaling messages or the multicast messages outside the DiffServ domains.The simulation results demonstrate that the proposed scheme can achieve better performance and higher utilization efficiency of network resources than the distributed admission control scheme based on the explicit signaling protocol and can provide QoS guarantee for the multicast members of the DiffServ network.