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    • 4. 发明申请
    • METHOD FOR IMPLEMENTING FAST REROUTE
    • 实施快速REROUTE的方法
    • US20110249679A1
    • 2011-10-13
    • US13140054
    • 2009-08-31
    • Ning LinXiaohong Qian
    • Ning LinXiaohong Qian
    • H04L12/56
    • H04L45/00H04L45/22H04L45/24H04L45/28H04L45/50
    • A method for implementing FRR comprising_starting up an upper layer protocol software to manage and configure a FRR route; an upper layer protocol software sending down a active next hop of the FRR; a driver writing an IP address of the FRR into an ECMP table and creating a software table to record correspondence between a FRR group and ECMP group; informing the driver of a prefix address of a subnet route and the index of the FRR group, and the driver finding the index of the ECMP group, and writing information of the subnet route and the index of the ECMP group into hardware; an upper layer protocol software informing the driver of the index of the FRR and an IP address of a new standby next hop; the driver looking up for the index of the ECMP group, and updating the next hop address of the ECMP group.
    • 一种用于实现FRR的方法,包括:启动上层协议软件,以管理和配置FRR路由; 发送FRR的活跃下一跳的上层协议软件; 驱动器将FRR的IP地址写入ECMP表,并创建一个软件表,记录FRR组和ECMP组之间的对应关系; 通知驾驶员子网路由的前缀地址和FRR组的索引,以及查找ECMP组的索引的驱动程序,将子网路由信息和ECMP组索引信息写入硬件; 上层协议软件,通知驾驶员FRR的索引和新的备用下一跳的IP地址; 司机查找ECMP组的索引,并更新ECMP组的下一跳地址。