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    Redundant intermediary switch solution for detecting and managing fibre channel over ethernet FCoE switch failures
    31.
    发明授权
    Redundant intermediary switch solution for detecting and managing fibre channel over ethernet FCoE switch failures 有权
    用于检测和管理以太网FCoE交换机故障的光纤通道的冗余中介交换机解决方案

    公开(公告)号：US07944812B2

    公开(公告)日：2011-05-17

    申请号：US12254222

    申请日：2008-10-20

    申请人： Scott M. Carlson ,  Daniel G. Eisenhauer ,  Roger G. Hathorn ,  Sandy K. Kao ,  Jeffrey W. Palm ,  Renato J. Recio

    发明人： Scott M. Carlson ,  Daniel G. Eisenhauer ,  Roger G. Hathorn ,  Sandy K. Kao ,  Jeffrey W. Palm ,  Renato J. Recio

    IPC分类号： H04J1/16

    CPC分类号： H04L41/06 ,  H04L12/40195 ,  H04L43/0811

    摘要： A method for detecting a switch failure and managing switch failover in a Fiber Channel over Ethernet network. The plurality of Fiber Channel over Ethernet switches are connected to an intermediary Ethernet switch and to each other via an Ethernet connection. The intermediary Ethernet switch is different from the plurality of Fiber Channel over Ethernet switches. A plurality of end ports are also connected to the intermediary Ethernet switch. A failure is detected in a first switch in the plurality of Fiber Channel over Ethernet switches. The first switch is associated with a first end port in the plurality of end ports. A failure notification is sent to the first end port using the intermediary Ethernet switch. The failure notification might specify a second switch destination and an identification of the first switch. A fabric login is exchanged between the first end port and the second switch.

    摘要翻译： 一种用于检测交换机故障并管理以太网光纤通道中的交换机故障切换的方法。 多个以太网光纤通道交换机通过以太网连接连接到中间以太网交换机并彼此连接。 中间以太网交换机与多个以太网光纤通道交换机不同。 多个端口也连接到中间以太网交换机。 在多个以太网交换机中的光纤通道中的第一交换机中检测到故障。 第一开关与多个端口中的第一端口相关联。 使用中间以太网交换机将故障通知发送到第一端口。 故障通知可能指定第二个交换机目的地和第一个交换机的标识。 在第一端口和第二交换机之间交换结构登录。

    DETERMINING THE CONFIGURATION OF AN ETHERNET FABRIC
    34.
    发明申请
    DETERMINING THE CONFIGURATION OF AN ETHERNET FABRIC 有权
    确定以太网织物的配置

    公开(公告)号：US20100103939A1

    公开(公告)日：2010-04-29

    申请号：US12257467

    申请日：2008-10-24

    申请人： Scott M. Carlson ,  Daniel G. Eisenhauer ,  Roger G. Hathorn ,  Jeffrey W. Palm ,  Sandy K. Kao ,  Renato J. Recio

    发明人： Scott M. Carlson ,  Daniel G. Eisenhauer ,  Roger G. Hathorn ,  Jeffrey W. Palm ,  Sandy K. Kao ,  Renato J. Recio

    IPC分类号： H04L12/56

    CPC分类号： H04L49/357 ,  H04L49/15 ,  H04L49/351 ,  H04L49/557

    摘要： A Fibre Channel over Ethernet (FCoE) device obtains knowledge of the configuration of an attached Ethernet fabric during a fabric initialization or login (FLOGI) process. FCoE N_Ports obtain similar information during the port initialization or login (PLOGI) process. The FCoE device may provide network management services to attached FCoE devices. Embodiments include a management module or processor within an FCoE N_Port. The management module or processor receives information associated with an Ethernet fabric from the FCoE N_Ports and provides management services based on the information associated with the Ethernet fabric. The FCoE N_Port communicatively couples to at least one additional FCoE N_Port through the Ethernet fabric. The FCoE N_Ports may be implemented within a disc storage drive, a host bus adapter, and/or an FCoE switch. The capability of an N_Port to obtain this information allows a management module or processor at the N_Port to manage the Ethernet fabric.

    摘要翻译： 以太网光纤通道（FCoE）设备在结构初始化或登录（FLOGI）过程中获得了连接的以太网架构的配置知识。 FCoE N_Port在端口初始化或登录（PLOGI）过程中获取类似的信息。 FCoE设备可以向附加的FCoE设备提供网络管理服务。 实施例包括FCoE N_Port内的管理模块或处理器。 管理模块或处理器从FCoE N_PORT接收与以太网结构相关联的信息，并且基于与以太网结构相关联的信息来提供管理服务。 FCoE N_Port通过以太网架构通信地耦合到至少一个额外的FCoE N_Port。 FCoE N_Port可以在盘存储驱动器，主机总线适配器和/或FCoE交换机内实现。 N_Port获取此信息的能力允许N_Port的管理模块或处理器管理以太网结构。

    Method and system for clock skew and offset estimation
    35.
    发明授权
    Method and system for clock skew and offset estimation 有权
    时钟偏移和偏移估计的方法和系统

    公开(公告)号：US07688865B2

    公开(公告)日：2010-03-30

    申请号：US11223876

    申请日：2005-09-09

    申请人： Scott M. Carlson ,  Michel Henri Theodore Hack ,  Li Zhang

    发明人： Scott M. Carlson ,  Michel Henri Theodore Hack ,  Li Zhang

    IPC分类号： H04J3/06 ,  G06F1/12 ,  G06F1/04

    CPC分类号： H04J3/0667

    摘要： Disclosed are a method and system for estimating the skew and offset between two clocks in a computer system. The method comprises the steps of obtaining a first set of data values representing a forward delay between the first and second clocks, and obtaining a second set of data values representing a negative backward delay between the first and second clocks. The method comprises the further steps of forming a lower convex hull for said first set of data values, and forming an upper convex hull, above the lower convex hull, for said second set of data values. The clock offset and the skew between said first and second clocks are estimated using those convex hulls. In a preferred embodiment, this estimation is made by identifying a best clock line between the first and second convex hulls.

    摘要翻译： 公开了一种用于估计计算机系统中两个时钟之间的偏斜和偏移的方法和系统。 该方法包括以下步骤：获得表示第一和第二时钟之间的正向延迟的第一组数据值，并获得表示第一和第二时钟之间的负向后延迟的第二组数据值。 该方法包括以下步骤：为所述第一组数据值形成下凸包，以及形成用于所述第二组数据值的所述下凸包上方的上凸包。 使用这些凸包估计所述第一和第二时钟之间的时钟偏移和偏差。 在优选实施例中，通过识别第一和第二凸包之间的最佳时钟线来进行该估计。