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    • 2. 发明授权
    • Multicast routing method using path overlapping efficiency in VP-based
on ATM networks
    • 基于ATM网络的VP中路由重叠效率的组播路由方法
    • US6088333A
    • 2000-07-11
    • US971118
    • 1997-11-14
    • Sunhee YangBongtae KimByungdo Go
    • Sunhee YangBongtae KimByungdo Go
    • H04L12/70H04Q11/04H04L12/46G06F13/00
    • H04Q11/0478H04L2012/562H04L2012/5642
    • Disclosed is a cost minimized multicast routing algorithm, that can be used for heterogeneous applications in ATM networks. In routing multipoint information flows over ATM VP/VC networks, the algorithm generates near optimal multicast tree based on the delay requirements of services, link costs and path overlapping effects for resource saving and quality-of-service satisfying purposes. This invention uses the virtual destination node in order to find the multicast route that maximizes the overlapping effects of the path between multiple destinations, thus minimizes the number of links and switches used in the multicast communications. Also, multicast tree branching occurs as near as possible to the destination nodes so that the overlapping effects of the multicast route can effectively reduce the network resource consumption.
    • 公开了一种成本最低的组播路由算法,可以用于ATM网络中的异构应用。 在通过ATM VP / VC网络路由多点信息流时,该算法基于服务的延迟要求,链路成本和路径重叠效应,为资源节约和服务质量满足目的生成近似最优组播树。 本发明使用虚拟目的地节点来找到使多个目的地之间的路径的重叠效应最大化的多播路由,从而最小化多播通信中使用的链路和交换机的数量。 此外,组播树分支尽可能接近目的节点,使得组播路由的重叠效果可以有效降低网络资源消耗。