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    • 93. 发明申请
    • METHOD AND APPARATUS FOR MULTICAST IMPLEMENTATION IN A NETWORK
    • 网络中多媒体实现的方法与装置
    • US20160380877A1
    • 2016-12-29
    • US15261141
    • 2016-09-09
    • Ciena Corporation
    • David ALLANNigel BRAGGJerome CHIABAUT
    • H04L12/721H04L12/18H04L12/761
    • H04L45/12H04L12/185H04L12/4641H04L45/00H04L45/16H04L45/66H04L67/1044H04L67/1046H04N1/333
    • Interest in multicast group membership may be advertised via a routing system on an Ethernet network along with an indication of an algorithm to be used by the nodes on the network to calculate the distribution tree or trees for the multicast. Each node, upon receipt of the advertisement, will determine the algorithm that is to be used to produce the multicast tree and will use the algorithm to calculate whether it is on a path between nodes advertising common interest in the multicast. Example algorithms may include shortest path algorithms and spanning tree algorithms. This allows multicast membership to be managed via the routing control plane, while enabling spanning tree processes to be used to forward multicast traffic. Since spanning tree is able to install multicast state per service rather than per source per service, this reduces the amount of forwarding state required to implement multicasts on the routed Ethernet mesh network.
    • 可以通过以太网网络上的路由系统以及由网络上的节点使用的算法的指示来广播对组播组成员的兴趣,以计算组播的分布树或树。 每个节点在接收到广告时将确定要用于生成多播树的算法,并且将使用该算法来计算是否在节点之间的路径上,广播广播上的共同兴趣。 示例算法可以包括最短路径算法和生成树算法。 这允许通过路由控制平面管理多播成员资格,同时使用生成树进程来转发组播流量。 由于生成树能够按服务安装多播状态,而不是每个服务的每个源,因此减少了在路由以太网网络上实现组播所需的转发状态量。
    • 100. 发明授权
    • Communication terminal device
    • 通信终端设备
    • US07761752B2
    • 2010-07-20
    • US11670358
    • 2007-02-01
    • Yasuki ImaiYoshinori Murata
    • Yasuki ImaiYoshinori Murata
    • H04N1/32
    • H04N1/32561H04N1/333H04N1/33361
    • A facsimile machine receives image data from a facsimile machine of another end. A Random Access Memory (RAM) stores a measured average value and fluctuation of an Eye Quality Monitor (EQM) value of the image data, and a number of error lines of the image data as an EQM data table. In past facsimile communication, a main control unit receives a training signal from the facsimile machine of the other end, and executes a training process. The main control unit measures an average value and fluctuation of an EQM value of the training signal, and compares the measured average value and the fluctuation of the EQM value with the average value and the fluctuation of the EQM value stored in the EQM data table. When there is no match, the main control unit executes the training process again.
    • 传真机从另一端的传真机接收图像数据。 随机存取存储器(RAM)将测量的平均值和图像数据的眼睛质量监测器(EQM)值的波动以及作为EQM数据表的图像数据的错误行的数量存储。 在过去的传真通信中,主控制单元从另一端的传真机接收训练信号,并执行训练处理。 主控制单元测量训练信号的平均值和EQM值的波动,并将EQM值的测量平均值和波动与EQM数据表中存储的EQM值的平均值和波动进行比较。 当不匹配时,主控制单元再次执行训练处理。