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    • 43. 发明授权
    • System and method for gathering multicast content receiver data
    • 收集组播内容接收数据的系统和方法
    • US07236465B2
    • 2007-06-26
    • US10171952
    • 2002-06-13
    • Dwip N. BanerjeeRabindranath DuttaKumar RaviKrishna Kishore Yellepeddy
    • Dwip N. BanerjeeRabindranath DuttaKumar RaviKrishna Kishore Yellepeddy
    • H04J3/24H04J3/26
    • H04L12/185H04L12/1836H04L12/1859
    • A system and method for gathering data regarding receivers of multicast content is provided. A spanning tree is used to connect a content producer, such as a pay-per-view broadcaster, to one or more receivers over a computer network, such as the Internet. Clients that wish to join a multicast group to which content is sent join the multicast group at the client's designated multicast router. The router sends information regarding the request, such as a tally of the number of clients that have joined the group, through intermediate routers to an endpoint router as identified by the spanning tree. The content producer is able to use the information, such as the tally and demographic information, to analyze the group of receivers. In a pay-per-view setting, the tally can further be compared to the number of subscribers to determine whether illicit receivers have joined the group, whereupon appropriate action is taken.
    • 提供了一种用于收集关于组播内容接收机的数据的系统和方法。 生成树用于通过计算机网络(例如因特网)将内容制作者(例如按次付费播放器)连接到一个或多个接收器。 希望加入发送内容的组播组的客户端加入客户端指定的组播路由器的组播组。 路由器通过中间路由器向生成树所标识的端点路由器发送关于请求的信息,例如已经加入组的客户端数量的统计。 内容制作者能够使用诸如计数和人口统计信息之类的信息来分析接收者组。 在按次付费设置中,可以进一步将该计数与用户数进行比较,以确定非法接收者是否已加入该组,然后采取适当的措施。