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    • 11. 发明授权
    • Automatic reconfiguration of multipoint communication channels
    • 自动重新配置多点通信通道
    • US5805578A
    • 1998-09-08
    • US614421
    • 1996-03-12
    • Paul Alan StirpeDinesh Chandra VermaStephen Joseph NadasManish GuptaElizabeth A. Hervatic
    • Paul Alan StirpeDinesh Chandra VermaStephen Joseph NadasManish GuptaElizabeth A. Hervatic
    • H04L12/56H04L12/44
    • H04L45/42H04L45/02H04L45/28H04L45/48
    • A method of reconfiguring a multipoint communications channel to reconnect selected nodes after failures occur in the network disclosed. The method for this invention requires that a selected node (leader) participating in the multipoint communication channel act as the coordinator of the re-establishment protocol. The coordinator (leader) monitors the state of network topology to determine failures, recomputes an alternative feasible communication channel path in the case of failure, and generates messages to join new network elements in the multipoint communication channel. By using a novel tree recomputation method that rejoins the disconnected subtrees created by the network failure to the tree containing the coordinator, along with network topology information, the coordinator is able to minimize messaging and preserve the original channel to the maximum possible extent. The invention can be practiced in a network which provides quality-of-service characteristics to multipoint connections, by ensuring that the recomputation of the multipoint communication channel preserves the quality-of-service of the original connection.
    • 重新配置多点通信信道以在故障发生后所选择的节点重新连接的方法发生在所公开的网络中。 本发明的方法要求参与多点通信信道的所选节点(领导)充当重新建立协议的协调器。 协调员(领导)监视网络拓扑状态以确定故障,在失败的情况下重新计算替代可行的通信信道路径,并生成消息以加入多点通信信道中的新网元。 通过使用新颖的树重新计算方法,将由网络故障创建的断开的子树重新加入包含协调器的树,以及网络拓扑信息,协调器能够最小化消息传递并最大程度地保留原始信道。 本发明可以通过确保多点通信信道的重新计算保留原始连接的服务质量,在为多点连接提供服务质量特性的网络中实现。
    • 19. 发明授权
    • Communication network
    • 通讯网络
    • US06418477B1
    • 2002-07-09
    • US08749439
    • 1996-11-15
    • Dinesh Chandra Verma
    • Dinesh Chandra Verma
    • G06F1300
    • H04L45/00
    • A communications network for transmitting at least one information packet between a source node and a destination node of the network. The network includes an information cluster transmittable between the source node and the destination node and for having attached thereto an information packet. The information packet is attachable to the information cluster at the source node when the information cluster is at the source node and detachable from said information cluster at the destination node when the information cluster is at the destination node.
    • 一种用于在网络的源节点和目的地节点之间传送至少一个信息分组的通信网络。 网络包括在源节点和目的地节点之间可发送的信息集群,并且用于附加信息包。 当信息集群在源节点处时,信息包可以附加到源节点处的信息集群,并且当信息集群在目的地节点时可以从目的地节点处的所述信息集群分离。