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    • 2. 发明授权
    • Avoiding overlapping segments in transparent LAN services on ring-based networks
    • 避免在基于环网的透明LAN服务中重叠段
    • US07145878B2
    • 2006-12-05
    • US10054845
    • 2002-01-25
    • Shachar Katz
    • Shachar Katz
    • H04L12/26
    • H04L45/50H04L12/42H04L12/44H04L45/04H04L45/18
    • A method for eliminating loops in a communication network in which the nodes operate as virtual bridges, having virtual ports that link the virtual bridges over virtual connections, each of the virtual connections coinciding respectively with one or more segments of the network. Respective port costs are assigned to the virtual ports responsive to a count of the network segments with which the respective virtual connections coincide, so as to favor virtual paths between pairs of the nodes that are made up of a greater number of the virtual connections, relative to the virtual paths that are made up of a lesser number of the virtual connections. Respective path costs are computed for the virtual paths, based on the port costs, and the virtual connections over which to send traffic between the virtual bridges are selected responsive to the path costs.
    • 一种用于消除通信网络中的循环的方法,其中节点作为虚拟网桥运行,具有通过虚拟连接链接虚拟网桥的虚拟端口,每个虚拟连接分别与网络的一个或多个段重合。 响应于相应虚拟连接重合的网段的计数,将相应的端口成本分配给虚拟端口,以便有利于由更多数量的虚拟连接组成的节点对之间的虚拟路径,相对 到由较少数量的虚拟连接组成的虚拟路径。 基于端口成本计算虚拟路径的相应路径成本,并且响应于路径成本来选择在虚拟网桥之间发送流量的虚拟连接。
    • 3. 发明授权
    • Point-to-multipoint functionality in a bridged network
    • 桥接网络中的点对多点功能
    • US07660303B2
    • 2010-02-09
    • US11508599
    • 2006-08-22
    • Ronen SolomonLeon BruckmanRafi RamDavid ZeligShachar Katz
    • Ronen SolomonLeon BruckmanRafi RamDavid ZeligShachar Katz
    • H04L12/28
    • H04L12/66H04L12/4641H04L63/0227H04L63/0272H04L63/162
    • A method for communication includes coupling a group of switches in a Layer-2 bridged network. The interfaces of the switches are configured so that at least one interface of at least one of the switches is configured as a first interface type, and a plurality of other interfaces are configured as a second interface type. Upon receiving frames through the interfaces of the first and second types for transmission over the network, the received frames are labeled with corresponding first and second type indications. The frames are forwarded through the Layer-2 bridged network using the switches responsively to the type indications. Frames labeled with the second type indication are permitted to be transmitted through the interfaces of the first type and prevented from being transmitted through the interfaces of the second type.
    • 一种用于通信的方法包括:在二层桥接网络中耦合一组交换机。 交换机的接口被配置为使得至少一个交换机的至少一个接口被配置为第一接口类型,并且多个其他接口被配置为第二接口类型。 在通过第一和第二类型的接口接收帧以便通过网络传输时,所接收的帧用对应的第一和第二类型指示标记。 使用响应于类型指示的交换机,帧通过二层桥接网络转发。 标有第二类型指示的帧被允许通过第一类型的接口发送,并且防止通过第二类型的接口发送。