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    • 15. 发明申请
    • RESILIENT SERVICE QUALITY IN A MANAGED MULTIMEDIA DELIVERY NETWORK
    • 管理多媒体交付网络中的强大服务质量
    • US20090144417A1
    • 2009-06-04
    • US12261640
    • 2008-10-30
    • Andrey KiselDave Cecil RobinsonTiaan Schutte
    • Andrey KiselDave Cecil RobinsonTiaan Schutte
    • G06F15/173
    • H04L65/80H04L41/5003H04L41/5025H04L41/5038H04L67/104H04L67/1063H04L67/1072H04L67/2842H04L67/42
    • A managed multimedia delivery network (1) for providing a multimedia service with resilient service quality is disclosed. The network comprising a plurality of caching nodes (3) for caching multimedia data segments; an edge caching node (4) for colleting requested multimedia data segments from the caching nodes (3) and for serving a user equipment (2) with the collected multimedia data; and a service gateway (5) for providing cache information to the edge caching node (4) indicating how to obtain the requested multimedia data segments from the caching nodes (3). The edge caching node (4) comprises a service quality monitoring unit for monitoring the collection of the data segments from the caching nodes (3) and for requesting cache information from the service gateway (5) when the collection of data segments impacts the service quality.
    • 公开了一种用于提供具有弹性服务质量的多媒体服务的管理多媒体传送网络(1)。 该网络包括用于高速缓存多媒体数据段的多个缓存节点(3) 边缘缓存节点(4),用于从所述高速缓存节点(3)收集所请求的多媒体数据段并且用所述收集的多媒体数据为所述用户设备(2)提供服务; 以及用于向所述边缘缓存节点(4)提供高速缓存信息以指示如何从所述高速缓存节点(3)获得所请求的多媒体数据段的服务网关(5)。 边缘缓存节点(4)包括服务质量监控单元,用于在数据段的收集影响服务质量时监视来自缓存节点(3)的数据段的收集以及从服务网关(5)请求高速缓存信息 。
    • 16. 发明申请
    • METHOD FOR CACHING CONTENT DATA PACKAGES IN CACHING NODES
    • 在缓存中缓存内容数据包的方法
    • US20090119455A1
    • 2009-05-07
    • US12256560
    • 2008-10-23
    • Andrey KiselDave Cecil Robinson
    • Andrey KiselDave Cecil Robinson
    • G06F12/08
    • H04L67/104H04L67/1093H04L67/2819H04L67/2847H04L67/2852H04L67/288H04L67/2885
    • A method for caching content data packages in caching nodes 2 of a network 1 comprising a plurality of nodes 2,8 and a plurality of data lines 5 that extend between adjacent of said nodes 2,8, wherein content data traffic is to be routed on traffic connections between a content data library server 7 and user nodes 8 is proposed.The method is comprising the steps of assigning a popularity value of each content data package to each caching node 2 having at least one user node 8 as an adjacent node, calculating a weighted request probability for each content data package at each caching node 2, preferably by combining each popularity value with a distance from the respective caching node 2 to the caching node to which the respective popularity value is assigned to, deciding which of the weighted request probabilities of the content data packages are fulfilling a predefined condition, and caching the respective content data packages in the caching nodes at which the weighted request probability of the content data package fulfils said predefined condition.
    • 一种用于在网络1的高速缓存节点2中缓存内容数据包的方法,包括在所述节点2,8的相邻之间延伸的多个节点2,8和多个数据线5,其中内容数据业务将被路由到 提出内容数据库服务器7与用户节点8之间的业务连接。 该方法包括以下步骤:将每个内容数据包的流行度值分配给具有至少一个用户节点8作为相邻节点的每个高速缓存节点2,优选地计算每个高速缓存节点2处的每个内容数据包的加权请求概率 通过将每个流行度值与从相应的缓存节点2到分配相应流行度值的缓存节点的距离组合,确定内容数据包的加权请求概率中的哪一个正在满足预定条件,并且缓存相应的 高速缓存节点中的内容数据包,其中内容数据包的加权请求概率满足所述预定义条件。