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公开(公告)号：US08054751B2
公开(公告)日：2011-11-08
申请号：US11024077
申请日：2004-12-28
IPC分类号： H04L1/00
CPC分类号： H04L41/0677 , H04L43/0811 , H04L43/10
摘要： A network environment including a provider network coupled to a first customer network site via a first access link and to a second customer network site via a second access link. The provider network is operable with the IEEE 802.1ag standard for propagating a remote link fault condition via an Ethernet Alarm Indication and Suppression (AIS) frame or a Continuity Check (CC) frame, which is translated into a locally compliant non-IEEE 802.1ag error delivery condition so that a management entity associated with the first customer network site is appropriately alerted.
摘要翻译： 网络环境，包括经由第一接入链路耦合到第一客户网络站点的提供商网络，以及经由第二接入链路到达第二客户网络站点的网络环境。 提供商网络可以通过IEEE 802.1ag标准操作，用于通过以太网报警指示和抑制（AIS）帧或连续性检查（CC）帧传播远程链路故障状况，该帧被转换为本地兼容的非IEEE 802.1ag 错误传送条件，使得与第一客户网络站点相关联的管理实体被适当地提醒。
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2.发明授权Alarm indication and suppression (AIS) mechanism in an ethernet OAM network 有权以太网OAM网络中的告警指示和抑制（AIS）机制公开(公告)号：US07855968B2
公开(公告)日：2010-12-21
申请号：US11023784
申请日：2004-12-28
IPC分类号： G01R31/08
CPC分类号： H04L41/06 , H04L12/2856 , H04L12/462 , H04L41/0681 , H04L43/00 , H04L43/04 , H04L43/0829
摘要： A system and method for propagating fault information in an Ethernet OAM network having multiple levels of OAM domains. An Alarm Indication and Suppression (AIS) frame is generated by a Maintenance Intermediate Point (MIP) node upon detecting a fault condition in a first OAM domain, which is transmitted to one or more Maintenance End Points (MEPs) of the first OAM domain. Upon receiving the AIS frames, the MEP nodes are operable generate another AIS frame for propagating to an adjacent higher level second OAM domain. Responsive to the AIS frame from the lower level first OAM domain, any alarms caused in the second OAM domain due to the fault condition in the first OAM domain are suppressed.
摘要翻译： 一种用于在具有多级OAM域的以太网OAM网络中传播故障信息的系统和方法。 在检测到第一OAM域中的故障状况时，由维护中间点（MIP）节点生成报警指示和抑制（AIS）帧，该第一OAM域被发送到第一OAM域的一个或多个维护端点（MEP）。 在接收到AIS帧时，MEP节点可操作地生成另一个AIS帧，用于传播到相邻的较高级别的第二OAM域。 响应来自较低级别的第一OAM域的AIS帧，由于第一OAM域中的故障状况而导致的在第二OAM域中引起的任何警报被抑制。
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公开(公告)号：US08274899B2
公开(公告)日：2012-09-25
申请号：US11020898
申请日：2004-12-22
IPC分类号： G01R31/08
CPC分类号： H04L41/0879 , H04L41/0803
摘要： A system and method for configuring Maintenance Intermediate Point (MIP) nodes of an Ethernet OAM network based on absolute level indicia as well as relative level indicia encoded in OAM frames generated by Maintenance End Point (MEP) nodes. A first OAM level field in a payload portion of an Ethernet OAM frame is encoded with an absolute OAM level associated with the originating MEP's OAM domain. A second OAM level field is encoded with a relative OAM level indicative of the number of OAM domain levels traversed by the Ethernet OAM frame.
摘要翻译： 一种用于基于绝对级别标记配置以太网OAM网络的维护中间点（MIP）节点以及由维护端点（MEP）节点生成的OAM帧中编码的相对级别标记的系统和方法。 以太网OAM帧的有效载荷部分中的第一个OAM级别字段用与起始MEP的OAM域相关联的绝对OAM级编码。 第二OAM级别字段用指示由以太网OAM帧遍历的OAM域级别的数量的相对OAM级编码。
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4.发明授权Alarm indication and suppression (AIS) mechanism in an Ethernet OAM network 有权以太网OAM网络中的报警指示和抑制（AIS）机制公开(公告)号：US08699353B2
公开(公告)日：2014-04-15
申请号：US12950715
申请日：2010-11-19
IPC分类号： H04J3/14
CPC分类号： H04L41/06 , H04L12/2856 , H04L12/462 , H04L41/0681 , H04L43/00 , H04L43/04 , H04L43/0829
摘要： A system and method for propagating fault information in an Ethernet OAM network having multiple levels of OAM domains. An Alarm Indication and Suppression (AIS) frame is generated by a Maintenance Intermediate Point (MIP) node upon detecting a fault condition in a first OAM domain, which is transmitted to one or more Maintenance End Points (MEPs) of the first OAM domain. Upon receiving the AIS frames, the MEP nodes are operable generate another AIS frame for propagating to an adjacent higher level second OAM domain. Responsive to the AIS frame from the lower level first OAM domain, any alarms caused in the second OAM domain due to the fault condition in the first OAM domain are suppressed.
摘要翻译： 一种用于在具有多级OAM域的以太网OAM网络中传播故障信息的系统和方法。 在检测到第一OAM域中的故障状况时，由维护中间点（MIP）节点生成报警指示和抑制（AIS）帧，该第一OAM域被发送到第一OAM域的一个或多个维护端点（MEP）。 在接收到AIS帧时，MEP节点可操作地生成另一个AIS帧，用于传播到相邻的较高级别的第二OAM域。 响应来自较低级别的第一OAM域的AIS帧，由于第一OAM域中的故障状况而导致的在第二OAM域中引起的任何告警被抑制。
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5.发明申请ALARM INDICATION AND SUPPRESSION (AIS) MECHANISM IN AN ETHERNET OAM NETWORK 有权以太网OAM网络中的报警指示和抑制（AIS）机制公开(公告)号：US20110116363A1
公开(公告)日：2011-05-19
申请号：US12950715
申请日：2010-11-19
IPC分类号： H04L12/26
CPC分类号： H04L41/06 , H04L12/2856 , H04L12/462 , H04L41/0681 , H04L43/00 , H04L43/04 , H04L43/0829
摘要： A system and method for propagating fault information in an Ethernet OAM network having multiple levels of OAM domains. An Alarm Indication and Suppression (AIS) frame is generated by a Maintenance Intermediate Point (MIP) node upon detecting a fault condition in a first OAM domain, which is transmitted to one or more Maintenance End Points (MEPs) of the first OAM domain. Upon receiving the AIS frames, the MEP nodes are operable generate another AIS frame for propagating to an adjacent higher level second OAM domain. Responsive to the AIS frame from the lower level first OAM domain, any alarms caused in the second OAM domain due to the fault condition in the first OAM domain are suppressed.
摘要翻译： 一种用于在具有多级OAM域的以太网OAM网络中传播故障信息的系统和方法。 在检测到第一OAM域中的故障状况时，由维护中间点（MIP）节点生成报警指示和抑制（AIS）帧，该第一OAM域被发送到第一OAM域的一个或多个维护端点（MEP）。 在接收到AIS帧时，MEP节点可操作地生成另一个AIS帧，用于传播到相邻的较高级别的第二OAM域。 响应来自较低级别的第一OAM域的AIS帧，由于第一OAM域中的故障状况而导致的在第二OAM域中引起的任何告警被抑制。
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6.发明授权公开(公告)号：US07512141B2
公开(公告)日：2009-03-31
申请号：US11023716
申请日：2004-12-28
IPC分类号： H04L12/28 , H04J3/26 , G06F15/177
CPC分类号： H04L41/0893
摘要： A domain configuration system and method operable in an Ethernet OAM network having multiple levels of OAM domains. A port of a first end bridge of the network is configured as a first MEP node belonging to a predetermined OAM domain having a particular level. GARP or CC frames are transmitted from the first MEP node in a forward attribute registration process towards the remaining bridges of the network. A port of a second end bridge of the network is configured as a second MEP node of the predetermined OAM domain. In a backward attribute registration process, GARP or CC frames are transmitted from the second MEP node towards the remaining bridges of the network. Responsive to the frame flow, ports in bridges disposed between the first and second end bridges are automatically configured as MIP nodes having the particular level.
摘要翻译： 在具有多层OAM域的以太网OAM网络中可操作的域配置系统和方法。 网络的第一端桥的端口被配置为属于具有特定级别的预定OAM域的第一MEP节点。 在前向属性注册过程中，从第一MEP节点向网络的剩余网桥发送GARP或CC帧。 网络的第二端桥的端口被配置为预定OAM域的第二MEP节点。 在反向属性注册过程中，从第二MEP节点向网络的剩余网桥发送GARP或CC帧。 响应于帧流，布置在第一和第二端桥之间的桥中的端口被自动配置为具有特定级别的MIP节点。
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