简介：首先分析了高校校园网现状，指出校园网中存在的网络拥塞问题，提出利用QoS机制和流量控制设备来提高校园网QoS的解决方案，并对该方案的应用效果进行阐述，最后对该方案存在的弊端进行了剖析。

简介：MPLS因其具有一系列优良特性被认为是下一代网络的关键技术，基于MPLS的故障恢复机制是MPLS技术应用中的一个研究热点。利用MPLS技术实现故障恢复的基本思想是，在流量正常流经的工作路径之外建立基于某一模式的相应故障恢复路径，当工作路径发生故障时，其上的流量将根

简介：Inordertoestablisharoutesupportingmulti-constrainedqualityofservice(QoS),increasenetworkthroughputandreducenetworkenergyconsumption,animprovedantcolony-basedmulti-constrainedQoSenergy-savingroutingalgorithm(IAMQER)isproposed.Theantcolonyalgorithm,asoneoftheavailableheuristicalgorithms,isusedtofindtheoptimalroutefromsourcenodetodestinationnode.TheproposedIAMQERalgorithm,whichisbasedontheanalysisoflocalnodeinformationsuchasnodequeuelength,nodeforwardingnumberofdatapacketsandnoderesidualenergy,balancestherelationshipbetweenthenetworkthroughputandtheenergyconsumption,thusimprovingtheperformanceofnetworkinmulti-constrainedQoSrouting.SimulationresultsshowthatthisIAMQERalgorithmcanfindtheQoSroutethatreduceaverageenergyconsumptionandimprovesnetworkpacketdeliveryratioundertheend-to-enddelayandpacketlossratioconstraints.