通信企业三网融合方案设计研究(2)

[1]　陆治国.三网融合的实现探究[D].青岛:中国海洋大

图4　多级分布式组网方案示意图

多级组网的内容发布可以兼顾全网多点发布

和本地发布,流媒体可以在省中心统一发布,也可以在本地网单点发布。当需要在全省多个本地网发布时,就由省中心统一发布。内容的存储策略:多个城市发布的内容,在省中心集中备份;各地、

学,2007:8211.[2]　何兰平.浅析“三网融合”[J].广播与电视技术,

2008,35(12):992101.[3]　汪晓华.分布式流媒体框架的分析与比较[J].上饶

师范学院学报,2008,28(3):80283.[4]　姜文颖.城域内可运营的流媒体服务系统组网模式

的探讨[J].电信科学,2005,21(2):71275.

DesignoftheConvergenceofThreeNetworksfor

CommunicationEnterprises

WANGKai2liang,SHIYing2hong

(CollegeofEconomicsandManagement,ChongqingUniversityofPostsandTelecommunications,

Chongqing400065,China)

Abstract:Withtheeconomicandtechnologicaldevelopment,traditionalservicecannotmeetpeopleπsrequirements,sotheconvergenceofthreenetworkshasbecomeatendencyofnetworkservicedevelopment.Throughthere2searchontheconvergenceofthreenetworksathomeandabroad,thispaperanalyzestheproblemsforconvergenceofthreenetworksatpresent.Basedontheactualconditionsofcommunicationenterprises,thepaperproposestheschemeadoptingdistributedstreamingmediatechnologyforcommunicationenterpriseπsconvergenceofthreenet2works,andthenitpresentsthreenetworkingschemesfordifferentscalecommunicationenterprises:thecompactnetworking,thelocalnetworkingofmetropolitanareanetwork,andthemultileveldistributednetworking.TheseschemesthateffectivelysavethebandwidthbackbonenetworkguaranteetheQosandpromotetheusersπsatisfac2tion,andtheywouldhelpthecommunicationenterprisesatalllevelstobuildmultimediadatacenter.Keywords:communicationenterprise;convergenceofthreenetworks;conceptualdesign

(编辑:李春英)

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