文章标题:超低pmd光纤拉丝'>光纤拉丝技术 摘要:文章在叙述了光网络中选路和波长分配(rwa)要解决的基本问题后,对有关方面的近年研究作了综述,主要包括:虚拓扑重构、业务量疏导的rwa、多播rwa、抗毁网络的rwa。抗毁问题涉及wdm网络的抗毁选路、区分可靠性、网状网的快速恢复、多故障下的抗毁。 英文摘要:basicproblemsthatshouldbesolvedforroutingandwavelengthassignment(rwa)inopticalnetworksarepresented.afterthat,anoverviewofresearchachievementsinrecentyearsispresented,includingvirtualtopologyreconfiguration,rwaintrafficgrooming,rwainmulticasting,andrwainsurvivablenetworks.fornetworksurvivability,itincludessurvivableroutinginwdmnetworks,differentiatedreliability,fastrecoveryinmeshnetworks,andmulti-linkfailures. 关键词:选路和波长分配;虚拓扑重构;业务量疏导;多播;网络抗毁 英文关键词:routingandwavelengthassignment;virtualtopologyreconfiguration;trafficgrooming;multicasting;
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