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1. 发明授权

US08797845B2 Failure recovery method in non revertive mode of ethernet ring network 有权
标题翻译：以太网环网非恢复方式的故障恢复方法
公开(公告)号：US08797845B2
公开(公告)日：2014-08-05
申请号：US12743107
申请日：2008-11-17
申请人： Jeong-Dong Ryoo , June-Koo Rhee , Bheom-Soon Joo , Jin-Sung Im , Zahir Uddin Ahmad , Yang Yang , Marc Holness
发明人： Jeong-Dong Ryoo , June-Koo Rhee , Bheom-Soon Joo , Jin-Sung Im , Zahir Uddin Ahmad , Yang Yang , Marc Holness
IPC分类号： H04J1/16 , H04L1/00 , H04L12/26 , H04L12/28 , H04L12/16 , H04L12/437
CPC分类号： H04L12/437 , H04L12/18 , H04L12/423 , H04L41/0659 , H04L41/26 , H04L45/22 , H04L45/28
摘要： Provided is a failure recovery method in a non-revertive mode of an Ethernet ring network. In an Ethernet ring network, link priorities between nodes or node priorities are determined based on media access control (MAC) addresses and the nodes having blocked ports are determined after failures are recovered from based on the priorities so that the blocked ports can be distributed.
摘要翻译：提供以太网环网的非回复模式的故障恢复方法。在以太网环网中，基于媒体访问控制（MAC）地址确定节点或节点优先级之间的链路优先级，并根据优先级从故障恢复后确定具有阻塞端口的节点，从而可以分发阻塞端口。

2. 发明申请

US20110019538A1 FAILURE RECOVERY METHOD IN NON REVERTIVE MODE OF ETHERNET RING NETWORK 有权
标题翻译：以太网网络的非反向模式中的故障恢复方法
公开(公告)号：US20110019538A1
公开(公告)日：2011-01-27
申请号：US12743107
申请日：2008-11-17
申请人： Jeong-Dong Ryoo , June-Koo Rhee , Bheom-Soon Joo , Jin-Sung Im , Zahir Uddin Ahmad , Yang Yang , Marc Holness
发明人： Jeong-Dong Ryoo , June-Koo Rhee , Bheom-Soon Joo , Jin-Sung Im , Zahir Uddin Ahmad , Yang Yang , Marc Holness
IPC分类号： H04L12/26
CPC分类号： H04L12/437 , H04L12/18 , H04L12/423 , H04L41/0659 , H04L41/26 , H04L45/22 , H04L45/28
摘要： Provided is a failure recovery method in a non-revertive mode of an Ethernet ring network. In an Ethernet ring network, link priorities between nodes or node priorities are determined based on media access control (MAC) addresses and the nodes having blocked ports are determined after failures are recovered from based on the priorities so that the blocked ports can be distributed.
摘要翻译：提供以太网环网的非回复模式的故障恢复方法。在以太网环网中，基于媒体访问控制（MAC）地址确定节点或节点优先级之间的链路优先级，并根据优先级从故障恢复后确定具有阻塞端口的节点，从而可以分发阻塞端口。

3. 发明授权

US10623293B2 Systems and methods for dynamic operations, administration, and management 有权
公开(公告)号：US10623293B2
公开(公告)日：2020-04-14
申请号：US14989884
申请日：2016-01-07
申请人： Jie Hu , Marc Holness , Cory Gordon , Mradula Neginhal , Madhavi R. Joshi , Asheesh Jadav
发明人： Jie Hu , Marc Holness , Cory Gordon , Mradula Neginhal , Madhavi R. Joshi , Asheesh Jadav
IPC分类号： H04L12/26 , H04L12/24
CPC分类号： H04L43/103 , H04L41/0816 , H04L41/0886 , H04L43/04 , H04L43/0811 , H04L43/16 , H04L41/06
摘要： Systems and methods with dynamic Connectivity Fault Management (CFM) and Continuity Check Messages (CCMs) that enable dynamic configurations to avoid limitations associated with static reconfigurations. Variously, a network, a method, and a network element are configured to implement a dynamic CFM method for dynamic notifications and actions taken based thereon between Maintenance End Points (MEPs). The systems and methods may also include a CCM attribute adjustment method between two MEPs, a CCM suspension and/or resumption method between two MEPs, and a MEP auto-discovery and leaving method. Advantageously, the systems and methods may be utilized in a variety of contexts including controlled maintenance, in-service software upgrades, network congestion, discovery of new remote MEPs, and the like to enable dynamic configurations between MEPs. The systems and methods may also apply to Carrier Ethernet, Multiprotocol Label Switching-Transport Profile (MPLS-TP), and the like.

4. 发明授权

US10425153B2 Generalized service protection systems and methods 有权
公开(公告)号：US10425153B2
公开(公告)日：2019-09-24
申请号：US14990137
申请日：2016-01-07
申请人： Marc Holness , Stephen Daniel Shew , David Gilson
发明人： Marc Holness , Stephen Daniel Shew , David Gilson
IPC分类号： H04B10/03 , H04L12/43 , H04L12/931 , H04L12/707 , H04Q11/00 , H04B10/032 , H04L12/437 , H04J3/16 , H04L12/42 , H04L12/64
摘要： Systems and methods for ring protection switching in a network based on selectively blocking and unblocking a port include forwarding traffic via the port over a data channel that utilizes a first service identifier, wherein the data channel is routed in the network along a closed loop; and selectively blocking and unblocking traffic on the port to provide the ring protection switching over the closed loop, wherein the selectively blocking and unblocking is performed based on a management channel that utilizes a second service identifier that is a different type from the first service identifier.

5. 发明授权

US09781048B2 Dynamic packet traffic performance adjustment systems and methods 有权
公开(公告)号：US09781048B2
公开(公告)日：2017-10-03
申请号：US14622989
申请日：2015-02-16
申请人： Marc Holness , David Wright Martin
发明人： Marc Holness , David Wright Martin
IPC分类号： H04L12/805 , H04L12/813 , H04L5/00 , H04L12/707
CPC分类号： H04L47/365 , H04L5/0064 , H04L45/24 , H04L47/20
摘要： A method, a network, and a network element use dynamic packet traffic performance adjustment techniques. In an exemplary embodiment, the dynamic resizing techniques utilize different packet connections providing connectivity to same sites between which bandwidth resizing is needed. Each of the packet connections has a separate and independent bandwidth profile that governs an amount of traffic that is dispatched over each packet connection. A network element sourcing traffic into the packet connections uses bridge functionality that dispatches client traffic onto all of the packet connections or an individual packet connection. This effectively means that the transport network bandwidth utilization is only consumed by a single packet connection, i.e., the packet connection-A (even through there are multiple configured). The network element sinking the traffic selects from a single active packet connection.

6. 发明申请

US20150207668A1 G.8032 ETHERNET MULTIPLE FAULT RECOVERY MECHANISMS 有权
标题翻译： G.8032以太网多重故障恢复机制
公开(公告)号：US20150207668A1
公开(公告)日：2015-07-23
申请号：US14161776
申请日：2014-01-23
申请人： Geraldine Ruth Civil , Marc Holness
发明人： Geraldine Ruth Civil , Marc Holness
IPC分类号： H04L12/24
CPC分类号： H04L41/0654 , H04L12/413 , H04L12/437 , H04L12/4637 , H04L29/14 , H04L41/0659 , H04L43/0811 , H04L45/28 , H04L2012/421
摘要： A method, network element, and network provide detecting a failure on both ports of a major ring at a network element that has an interconnecting sub-ring terminating thereon; causing a block at an associated sub-ring termination port of the interconnecting sub-ring responsive to the failure on both the ports of the major ring; and monitoring the failure and clearing the block responsive to a recovery of one or both ports from the failure. The method, network, and network element include G.8032 multiple concurrent or simultaneous fault recovery mechanisms that traffic being transported between an interconnected major ring and a sub-ring to be successfully delivered in the event of dual concurrent faults on the major ring.
摘要翻译：一种方法，网络元件和网络提供了在其上终止有互连子环的网元的主环的两个端口上检测到故障; 在主环的两个端口上的故障响应于互连子环的相关子环终止端口处的块; 并且响应于从故障恢复一个或两个端口来监视故障并清除该块。方法，网络和网络元素包括G.8032多个并发或同时故障恢复机制，在主环上发生双重并发故障的情况下，在互连主环和子环之间传输的流量将成功传送。

7. 发明授权

US08509061B2 Systems and methods for scaling performance of Ethernet ring protection protocol 有权
标题翻译：以太网环保护协议扩展性能的系统和方法
公开(公告)号：US08509061B2
公开(公告)日：2013-08-13
申请号：US13070098
申请日：2011-03-23
申请人： Marc Holness , Jie Hu
发明人： Marc Holness , Jie Hu
IPC分类号： H04L12/56 , H04L12/24
CPC分类号： H04L12/437
摘要： The present disclosure provides systems and methods for scaling performance of Ethernet Ring Protection Protocol. Specifically, the systems and methods may apply to G.8032 and may provide protection switching control plane performance scaling benefits. In an exemplary embodiment, the present invention summarizes the per “virtual” ring control plane protocol into a single logical ring control plane protocol. Advantageously, the present invention transforms the G.8032 protocol from a per-virtual ring protocol to a per-logical ring control protocol. The mechanism/methodology that is used is to include minimal per-virtual ring instance information in to the Ring Automated Protection Switching (R-APS) (control) frames. Additionally, the present invention cleanly decouples the placement of the R-APS (control) channel block location on the ring from that of the virtual channel data blocks. Current G.8032 specifications tightly couple the location of each R-APS (control) channel block and the virtual channel block that it is managing.
摘要翻译：本公开提供了用于缩放以太网环保护协议的性能的系统和方法。具体来说，系统和方法可能适用于G.8032，并可提供保护切换控制平面性能扩展的好处。在示例性实施例中，本发明将每个“虚拟”环控制平面协议总结为单个逻辑环控制平面协议。有利地，本发明将G.8032协议从每虚拟环协议转换为每逻辑环控制协议。使用的机制/方法是将最小的每个虚拟环形实例信息包括在环自动保护倒换（R-APS）（控制）帧中。此外，本发明将环上的R-APS（控制）信道块位置的布置与虚拟信道数据块的位置干净地去耦。目前的G.8032规范紧密耦合每个R-APS（控制）信道块的位置和它所管理的虚拟通道块。

8. 发明申请

US20120092985A1 TEN GIGABIT ETHERNET PORT PROTECTION SYSTEMS AND METHODS 有权
标题翻译：十个GIGABIT以太网端口保护系统和方法
公开(公告)号：US20120092985A1
公开(公告)日：2012-04-19
申请号：US12907165
申请日：2010-10-19
申请人： Ross Caird , Michael Watford , Onder Yazar , Marc Holness
发明人： Ross Caird , Michael Watford , Onder Yazar , Marc Holness
IPC分类号： G06F11/00
CPC分类号： H04L45/22 , H04L41/0213 , H04L41/0663 , H04L43/0811 , H04L45/245 , H04L45/28 , Y02D50/30
摘要： The present disclosure provides protection systems and methods for Ethernet ports. In particular, the present invention may provide a form of facility protection for any two facilities, located on any two cards. The facilities are provisioned as a protected pair and using automatic ITU-T Y.1731 control frames for control. In an exemplary embodiment, provisioning includes creation of an L2 protection service and associating it to a pair of facilities. One facility is identified as a working facility and the other as a protection facility. Under normal conditions (i.e., no facility fault), the working facility is in an active state and not conditioning while the protection facility is in a standby state and transmitting conditioning to subtending equipment. If a facility fault is detected at the working facility, then the working facility transmits condition Remote Fault (RF) and the protection facility removes it's transmit conditioning and becomes the active facility.
摘要翻译：本公开提供了用于以太网端口的保护系统和方法。特别地，本发明可以为位于任何两张卡上的任何两个设施提供一种设施保护形式。这些设施被配置为受保护对，并使用自动的ITU-T Y.1731控制帧进行控制。在示例性实施例中，供应包括创建L2保护服务并将其与一对设施相关联。一个设施被确定为工作设施，另一个设施被确定为保护设施。在正常情况下（即没有设备故障），工作设备处于活动状态，而不是在保护设备处于待机状态时进行调理，并且将调理传送到对准设备。如果在工作场所检测到设备故障，则工作设备传送条件远程故障（RF），保护设备将其发送调理移除，成为主动设备。

9. 发明申请

US20100238813A1 Q-in-Q Ethernet rings 审中-公开
标题翻译： Q-in-Q以太网振铃
公开(公告)号：US20100238813A1
公开(公告)日：2010-09-23
申请号：US11477975
申请日：2006-06-29
申请人： David Allan , Nigel Bragg , Marc Holness
发明人： David Allan , Nigel Bragg , Marc Holness
IPC分类号： H04L12/28 , H04L12/26
CPC分类号： H04L41/0668 , H04L12/437 , H04L12/4641 , H04L12/465 , H04L2012/421
摘要： A resilient virtual Ethernet ring has nodes interconnected by working and protection paths. Each node has a set of VLAN IDs (VIDs) for tagging traffic entering the ring by identifying the ingress node and whether the traffic is on the working or protection path. MAC addresses are learned in one direction around the ring. A port aliasing module records in a forwarding table a port direction opposite to a learned port direction. Each node can also cross-connect working and protection paths. If a span fails, the two nodes immediately on either side of the failure are cross-connected to fold the ring working-path traffic is cross-connected onto the protection path at the first of the two nodes and is then cross-connected back onto the working path at the second of the two nodes so that traffic always ingresses and egresses the ring from the working path.
摘要翻译：一个有弹性的虚拟以太网环具有通过工作和保护路径互连的节点。每个节点都有一组VLAN ID（VID），用于通过识别入口节点来识别进入环的流量，以及流量是否在工作或保护路径上。 MAC地址是围绕环的一个方向学习的。端口混叠模块在转发表中记录与学习端口方向相反的端口方向。每个节点还可以交叉连接工作和保护路径。如果跨度故障，则立即在故障两侧的两个节点交叉连接以折叠环工作路径业务交叉连接到两个节点中的第一个的保护路径上，然后交叉连接回在两个节点的第二个处的工作路径，使得流量总是从工作路径进入和离开环。

10. 发明授权

US09264328B2 Systems and methods for dynamic operations, administration, and management 有权
标题翻译：用于动态操作，管理和管理的系统和方法
公开(公告)号：US09264328B2
公开(公告)日：2016-02-16
申请号：US13290947
申请日：2011-11-07
申请人： Jie Hu , Marc Holness , Cory Gordon , Mradula Neginhal , Madhavi R. Joshi , Asheesh Jadav
发明人： Jie Hu , Marc Holness , Cory Gordon , Mradula Neginhal , Madhavi R. Joshi , Asheesh Jadav
IPC分类号： H04L12/26 , H04L12/24
CPC分类号： H04L43/103 , H04L41/0816 , H04L41/0886 , H04L43/04 , H04L43/0811 , H04L43/16
摘要： Systems and methods with dynamic Connectivity Fault Management (CFM) and Continuity Check Messages (CCMs) that enable dynamic configurations to avoid limitations associated with static reconfigurations. Variously, a network, a method, and a network element are configured to implement a dynamic CFM method for dynamic notifications and actions taken based thereon between Maintenance End Points (MEPs). The systems and methods may also include a CCM attribute adjustment method between two MEPs, a CCM suspension and/or resumption method between two MEPs, and a MEP auto-discovery and leaving method. Advantageously, the systems and methods may be utilized in a variety of contexts including controlled maintenance, in-service software upgrades, network congestion, discovery of new remote MEPs, and the like to enable dynamic configurations between MEPs. The systems and methods may also apply to Carrier Ethernet, Multiprotocol Label Switching-Transport Profile (MPLS-TP), and the like.
摘要翻译：具有动态连接故障管理（CFM）和连续性检查消息（CCM）的系统和方法，使动态配置能够避免与静态重新配置相关的限制。不同的是，网络，方法和网络元件被配置为实现用于动态通知的动态CFM方法和基于维护终点（MEP）之间的动作通知。系统和方法还可以包括两个MEP之间的CCM属性调整方法，两个MEP之间的CCM暂停和/或恢复方法以及MEP自动发现和离开方法。有利地，系统和方法可以在各种上下文中使用，包括受控维护，在役软件升级，网络拥塞，新的远程MEP的发现等，以实现MEP之间的动态配置。系统和方法也可以应用于电信级以太网，多协议标签交换传输模式（MPLS-TP）等。

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