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    • 8. 发明授权
    • High availability distributed fabric protocol (DFP) switching network architecture
    • 高可用性分布式架构协议(DFP)交换网络架构
    • US08797843B2
    • 2014-08-05
    • US13595405
    • 2012-08-27
    • Dayavanti G KamathKeshav KambleDar-ren LeuVijoy PandeyNandakumar Peethambaram
    • Dayavanti G KamathKeshav KambleDar-ren LeuVijoy PandeyNandakumar Peethambaram
    • H04L1/00
    • H04L12/4604H04L41/0668H04L49/354H04L49/557
    • In a switching network, each of a plurality of lower tier entities is coupled to each of multiple master switches at an upper tier by a respective one of multiple links. At each of the multiple master switches, a plurality of virtual ports each corresponding to a respective one of a plurality of remote physical interfaces (RPIs) at the lower tier are implemented on each of a plurality of ports. Each of the plurality of lower tier entities implements a respective egress port mapping indicating which of its plurality of RPIs transmits egress data traffic through each of its multiple links to the multiple master switches. In response to failure of one of the multiple links coupling a particular lower tier entity to a particular master switch, the particular lower tier entity updates its egress port mapping to redirect egress data traffic to another of the multiple master switches without packet dropping.
    • 在交换网络中,多个下层实体中的每一个通过多个链路中的相应一个在较高层被耦合到多个主交换机中的每一个。 在多个主交换机中的每一个上,在多个端口中的每个端口上实现多个虚拟端口,每个虚拟端口分别对应于较低级别的多个远程物理接口(RPI)中的相应一个。 多个下层实体中的每一个实现相应的出口端口映射,指示其多个RPI中的哪一个通过其到多个主交换机的多个链路中的每一个传送出口数据业务。 响应于将特定下层实体耦合到特定主交换机的多个链路之一的故障,特定的下层实体更新其出口端口映射以将出口数据业务重定向到多个主交换机中的另一个而不丢包。