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    • 9. 发明授权
    • Configurable redundant security device failover
    • 可配置的冗余安全设备故障切换
    • US08370897B1
    • 2013-02-05
    • US13428892
    • 2012-03-23
    • Xiaosong YangLin Chen
    • Xiaosong YangLin Chen
    • H04L29/06G06F7/04
    • G06F11/2005G06F11/0709G06F11/076H04L41/0668H04L43/0817H04L63/205H04L69/40
    • Techniques are described for managing failover in redundant network devices. In particular, each device in a set of redundant network devices includes redundant processing modules. Each module provides a separate operating environment for a set of network services. Each network device includes a control unit that receives configuration information that specifies individual weight values for each of the modules and a threshold value for the network device. The control unit detects failures of the modules and transfers primary responsibility for performing the network service to a second network device when the threshold value is exceeded by a weighted sum of the weight values for the failed modules.
    • 描述了用于管理冗余网络设备中的故障转移的技术。 特别地,一组冗余网络设备中的每个设备包括冗余处理模块。 每个模块为一组网络服务提供单独的操作环境。 每个网络设备包括控制单元,其接收为每个模块指定各个权重值的配置信息和网络设备的阈值。 控制单元检测模块的故障,并且当阈值超过故障模块的权重值的加权和时,将向网络服务执行网络服务的主要责任转移给第二网络设备。
    • 10. 发明授权
    • Configurable redundant security device failover
    • 可配置的冗余安全设备故障切换
    • US08176526B1
    • 2012-05-08
    • US11561710
    • 2006-11-20
    • Xiaosong YangLin Chen
    • Xiaosong YangLin Chen
    • G06F17/00
    • G06F11/2005G06F11/0709G06F11/076H04L41/0668H04L43/0817H04L63/205H04L69/40
    • Techniques are described for managing failover in redundant network devices. In particular, each device in a set of redundant network devices includes redundant processing modules. Each module provides a separate operating environment for a set of network services. Each network device includes a control unit that receives configuration information that specifies individual weight values for each of the modules and a threshold value for the network device. The control unit detects failures of the modules and transfers primary responsibility for performing the network service to a second network device when the threshold value is exceeded by a weighted sum of the weight values for the failed modules.
    • 描述了用于管理冗余网络设备中的故障转移的技术。 特别地,一组冗余网络设备中的每个设备包括冗余处理模块。 每个模块为一组网络服务提供单独的操作环境。 每个网络设备包括控制单元,其接收为每个模块指定各个权重值的配置信息和网络设备的阈值。 控制单元检测模块的故障,并且当阈值超过故障模块的权重值的加权和时,将向网络服务执行网络服务的主要责任转移给第二网络设备。