Simultaneously testing connectivity to multiple remote maintenance endpoints of the same maintenance association
    4.
    发明授权
    Simultaneously testing connectivity to multiple remote maintenance endpoints of the same maintenance association 有权
    同时测试与同一维护关联的多个远程维护端点的连接

    公开(公告)号:US07995483B1

    公开(公告)日:2011-08-09

    申请号:US12396138

    申请日:2009-03-02

    IPC分类号: H04J1/16

    摘要: In general, techniques are described for simultaneously testing connectivity to same or different remote maintenance endpoints of the same maintenance association. Specifically, a network device may include a control unit that simultaneously executes both a first and a second maintenance session. The control unit maintains first and second session identifiers that uniquely identifies the first and second maintenance sessions. The control unit receives via the first maintenance session input that specifies parameters for a maintenance message and generates the maintenance message in accordance with the parameters such that the maintenance message includes the first session identifier. The network device also includes an interface card that forwards the maintenance message to another network device in order to determine connectivity between these two network devices. By generating the maintenance message to include the first session identifier, the control unit may upon receiving a response to the maintenance message resolve to which of the maintenance session the response corresponds.

    摘要翻译: 通常,描述了同时测试与相同维护关联的相同或不同的远程维护端点的连接的技术。 具体地,网络设备可以包括同时执行第一和第二维护会话的控制单元。 控制单元维护唯一地标识第一和第二维护会话的第一和第二会话标识符。 控制单元通过第一维护会话输入接收指定维护消息的参数,并根据参数生成维护消息,使得维护消息包括第一会话标识符。 网络设备还包括将维护消息转发到另一网络设备以便确定这两个网络设备之间的连接性的接口卡。 通过生成包括第一会话标识符的维护消息,控制单元可以在接收到对维护消息的响应后,解析响应对应于哪个维护会话。

    Auto MEP ID assignment within CFM maintenance association
    5.
    发明授权
    Auto MEP ID assignment within CFM maintenance association 有权
    CFM维护关联中的自动MEP ID分配

    公开(公告)号:US08175008B1

    公开(公告)日:2012-05-08

    申请号:US12140716

    申请日:2008-06-17

    IPC分类号: H04L12/24

    摘要: A device may include a maintenance association endpoint configured to select a maintenance association endpoint identifier, transmit the maintenance association endpoint identifier to one or more other maintenance association endpoints, and automatically assign the maintenance association endpoint identifier to the maintenance association endpoint if it is determined that the maintenance association endpoint identifier is available based on a conflict message received from one of the one more other maintenance association endpoints.

    摘要翻译: 设备可以包括维护关联端点,其被配置为选择维护关联端点标识符,将维护关联端点标识符发送到一个或多个其他维护关联端点,并且如果确定维护关联端点标识符被确定为 维护关联端点标识符可以基于从另一个维护关联端点之一接收到的冲突消息来获得。

    Preparing for planned events in computer networks
    6.
    发明授权
    Preparing for planned events in computer networks 有权
    准备计算机网络中的计划事件

    公开(公告)号:US08570877B1

    公开(公告)日:2013-10-29

    申请号:US12829061

    申请日:2010-07-01

    IPC分类号: H04L12/24

    CPC分类号: H04L41/0681 H04L43/0811

    摘要: In general, techniques are described for preparing a computer network for planned events. A network device comprising a control unit and an interface implements these techniques. The control unit is configured to be a member a maintenance association that verifies connectivity a single service instance. The interface outputs a maintenance message to an additional network device to verify connectivity between the network device and the additional network device. The control unit receives an indication to initiate a planned event capable of disrupting the maintenance association. Prior to the control unit performing the planned event, the interface generates a modified maintenance message indicating that the planned event will be performed by the network device. The interface then transmits the modified outgoing maintenance message to the additional network device to direct the additional network device to avoid detecting the planned event as a connectivity fault.

    摘要翻译: 一般来说,描述了为计划事件准备计算机网络的技术。 包括控制单元和接口的网络设备实现这些技术。 控制单元被配置为成为维护关联的成员,其维护单个服务实例的连接。 接口将维护消息输出到附加网络设备,以验证网络设备和附加网络设备之间的连接。 控制单元接收指示以启动能够中断维护关联的计划事件。 在控制单元执行计划事件之前,接口生成修改的维护消息,指示计划事件将由网络设备执行。 然后,该接口将修改的输出维护消息发送到附加网络设备以引导附加网络设备避免检测到计划事件作为连接故障。

    Auto MEP ID assignment within CFM maintenance association
    7.
    发明授权
    Auto MEP ID assignment within CFM maintenance association 有权
    CFM维护关联中的自动MEP ID分配

    公开(公告)号:US08432833B2

    公开(公告)日:2013-04-30

    申请号:US13439104

    申请日:2012-04-04

    IPC分类号: H04L12/24

    摘要: A device may include a maintenance association endpoint configured to select a maintenance association endpoint identifier, transmit the maintenance association endpoint identifier to one or more other maintenance association endpoints, and automatically assign the maintenance association endpoint identifier to the maintenance association endpoint if it is determined that the maintenance association endpoint identifier is available based on a conflict message received from one of the one more other maintenance association endpoints.

    摘要翻译: 设备可以包括维护关联端点,其被配置为选择维护关联端点标识符,将维护关联端点标识符发送到一个或多个其他维护关联端点,并且如果确定维护关联端点标识符被确定为 维护关联端点标识符可以基于从另一个维护关联端点之一接收到的冲突消息来获得。

    Tracing Ethernet frame delay between network devices
    8.
    发明授权
    Tracing Ethernet frame delay between network devices 有权
    跟踪网络设备之间的以太网帧延迟

    公开(公告)号:US08483069B1

    公开(公告)日:2013-07-09

    申请号:US12732826

    申请日:2010-03-26

    摘要: A method of tracing Ethernet frame delay between network devices is described that includes outputting a delay trace message Ethernet frame to a target MEP network device. The method also includes receiving one or more delay trace response Ethernet frames from one or more MEG intermediate point (MIP) network devices positioned along a network path from the originating MEP network device to the target MEP network device. The method also includes receiving a delay trace response Ethernet frame from the target MEP network device. In some embodiments, the method includes calculating delay associated with portions of the network between each of the network devices using the received responses.

    摘要翻译: 描述了描述网络设备之间的以太网帧延迟的方法,其包括将延迟跟踪消息以太网帧输出到目标MEP网络设备。 该方法还包括从沿着从起始MEP网络设备到目标MEP网络设备的网络路径定位的一个或多个MEG中间点(MIP)网络设备接收一个或多个延迟跟踪响应以太网帧。 该方法还包括从目标MEP网络设备接收延迟跟踪响应以太帧。 在一些实施例中,该方法包括使用所接收的响应来计算与每个网络设备之间的网络的部分相关联的延迟。