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1. 发明申请

US20170272359A1 METHOD AND APPARATUS FOR CREATION OF GLOBAL NETWORK OVERLAY 审中-公开
公开(公告)号：US20170272359A1
公开(公告)日：2017-09-21
申请号：US15073931
申请日：2016-03-18
申请人： CISCO TECHNOLOGY, INC.
发明人： Michael H. Behringer , Patrice Bellagamba
IPC分类号： H04L12/715 , H04L12/46
CPC分类号： H04L45/64 , H04L12/4641
摘要： In one embodiment, a method includes receiving at a virtual controller operating at a network device, global parameters for a plurality of virtual machines located in a first network site and in communication with a second network site through a switch, converting at the virtual controller, the global parameters into global overlay network parameters, and transmitting the global overlay network parameters to the switch for use in automatically creating a global network overlay. The global overlay network parameters define an end-to-end network extending from the virtual machines in the first network site to a plurality of virtual machines in the second network site. An apparatus and logic are also disclosed herein.

2. 发明授权

US09699075B2 Repair of failed network routing arcs using data plane protocol 有权
公开(公告)号：US09699075B2
公开(公告)日：2017-07-04
申请号：US15284000
申请日：2016-10-03
申请人： Cisco Technology, Inc.
发明人： Pascal Thubert , Patrice Bellagamba , Dirk Anteunis , Eric Levy-Abegnoli
IPC分类号： H04L12/703 , H04L12/24 , H04L12/705 , H04L12/939 , H04L12/753
CPC分类号： H04L45/28 , H04L41/0668 , H04L45/18 , H04L45/48 , H04L49/557
摘要： A network includes routing arcs for routing network traffic to a destination. Each arc comprising nodes connected in sequence by reversible links oriented to direct network traffic to first and second edge nodes through which the network traffic exits the arc. The nodes in the arc detect a first failure. In response, the nodes exchange first management frames to reverse links in the arc so that the network traffic in the arc is directed away from the first failure toward the first edge node of the arc through which the network traffic exits the arc. The nodes detect a second failure in the arc that is spaced apart from the first failure. In response, the nodes exchange second management frames to freeze incoming edges of parent arcs to prevent network traffic in the corresponding parent arc from entering the arc.

3. 发明申请

US20170026279A1 REPAIR OF FAILED NETWORK ROUTING ARCS USING DATA PLANE PROTOCOL 审中-公开
标题翻译：使用数据平面协议修复故障网络路由ARCS
公开(公告)号：US20170026279A1
公开(公告)日：2017-01-26
申请号：US15284000
申请日：2016-10-03
申请人： Cisco Technology, Inc.
发明人： Pascal Thubert , Patrice Bellagamba , Dirk Anteunis , Eric Levy-Abegnoli
IPC分类号： H04L12/703 , H04L12/939 , H04L12/24 , H04L12/705
CPC分类号： H04L45/28 , H04L41/0668 , H04L45/18 , H04L45/48 , H04L49/557
摘要： A network includes routing arcs for routing network traffic to a destination. Each arc comprising nodes connected in sequence by reversible links oriented to direct network traffic to first and second edge nodes through which the network traffic exits the arc. The nodes in the arc detect a first failure. In response, the nodes exchange first management frames to reverse links in the arc so that the network traffic in the arc is directed away from the first failure toward the first edge node of the arc through which the network traffic exits the arc. The nodes detect a second failure in the arc that is spaced apart from the first failure. In response, the nodes exchange second management frames to freeze incoming edges of parent arcs to prevent network traffic in the corresponding parent arc from entering the arc.
摘要翻译：网络包括用于将网络流量路由到目的地的路由弧。每个弧包括依次通过可逆链接连接的节点，所述可逆链接被定向以将网络业务定向到第一和第二边缘节点，网络业务通过所述第一和第二边缘节电弧中的节点检测到第一个故障。作为响应，节点交换第一管理帧以反转电弧中的链路，使得电弧中的网络业务被引导离开第一故障朝向网络业务离开电弧的弧的第一边缘节点。节点检测到与第一个故障间隔开的电弧中的第二个故障。作为响应，节点交换第二管理帧以冻结父弧的进入边，以防止相应的母弧中的网络流量进入弧。

4. 发明授权

US09485136B2 Repair of failed network routing arcs using data plane protocol 有权
标题翻译：使用数据平面协议修复失败的网络路由弧
公开(公告)号：US09485136B2
公开(公告)日：2016-11-01
申请号：US14155562
申请日：2014-01-15
申请人： Cisco Technology, Inc.
发明人： Pascal Thubert , Patrice Bellagamba , Dirk Anteunis , Eric Levy-Abegnoli
IPC分类号： H04L12/24 , H04L12/939 , H04L12/703 , H04L12/753 , H04L12/705
CPC分类号： H04L45/28 , H04L41/0668 , H04L45/18 , H04L45/48 , H04L49/557
摘要： A network includes multiple routing arcs for routing network traffic to a destination. Each arc comprising nodes connected in sequence by reversible links oriented away from a node initially holding a cursor toward one of first and second edge nodes through which the network traffic exits the arc. Each node includes a network device. The nodes in the arc detect a first failure in the arc. Responsive to the detecting the first failure, the nodes exchange first management frames over a data plane within the arc in order to transfer the cursor from the node initially holding the cursor to a first node proximate the first failure and reverse links in the arc as appropriate so that the network traffic in the arc is directed away from the first failure toward the first edge node of the arc through which the network traffic is able to exit the arc.
摘要翻译：网络包括用于将网络流量路由到目的地的多个路由弧。每个弧包括通过可逆的链接依次连接的节点，所述可逆链接朝向远离最初保持光标的节点朝向第一和第二边缘节点之一，网络业务通过该节点离开该弧。每个节点包括网络设备。弧中的节点检测到弧中的第一个故障。响应于检测到第一故障，节点通过弧内的数据平面交换第一管理帧，以将光标从最初保持光标的节点传送到靠近第一故障的第一节点，并且适当地在弧中反向链接使得电弧中的网络流量被引导离开第一故障朝向电弧的第一边缘节点，网络业务通过该第一边缘节点能够离开电弧。

5. 发明授权

US10348611B2 Generating a loop-free routing topology using routing arcs 有权
公开(公告)号：US10348611B2
公开(公告)日：2019-07-09
申请号：US15212639
申请日：2016-07-18
申请人： Cisco Technology, Inc.
发明人： Pascal Thubert , Patrice Bellagamba , Dirk Anteunis , Eric Michel Levy-Abegnoli
IPC分类号： H04L12/705 , H04L12/721 , H04L12/24 , H04L12/751
摘要： In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and causing the network traffic to be forwarded along at least one of the routing arcs to the destination device.

6. 发明授权

US09929938B2 Hierarchal label distribution and route installation in a loop-free routing topology using routing arcs at multiple hierarchal levels for ring topologies 有权
公开(公告)号：US09929938B2
公开(公告)日：2018-03-27
申请号：US15087919
申请日：2016-03-31
申请人： Cisco Technology, Inc.
发明人： Pascal Thubert , Patrice Bellagamba , Dirk Anteunis
IPC分类号： H04L12/26 , H04L12/705 , H04L12/723 , H04L12/707 , H04L12/703 , H04L12/46 , H04L12/715 , H04L12/42
CPC分类号： H04L45/18 , H04L12/4637 , H04L45/22 , H04L45/28 , H04L45/50 , H04L45/507 , H04L45/64 , H04L2012/421
摘要： In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination network node, each routing arc comprising a first network node as a first end of the routing arc, a second network node as a second end of the routing arc, and at least a third network node configured for routing any network traffic along the routing arc toward the destination node via any one of the first or second ends of the routing arc, at least one of the first, second, or third network nodes are implemented as a ring-based network having a prescribed ring topology; and establishing loop-free label switched paths for reaching the destination network node via the routing arcs of the loop-free routing topology, the label switched paths independent and distinct from any attribute of the prescribed ring topology.

7. 发明授权

US09769057B2 Generating a loop-free routing topology using routing arcs 有权
公开(公告)号：US09769057B2
公开(公告)日：2017-09-19
申请号：US14725145
申请日：2015-05-29
申请人： Cisco Technology, Inc.
发明人： Pascal Thubert , Patrice Bellagamba , Dirk Anteunis , Eric Michel Levy-Abegnoli
IPC分类号： H04L12/28 , H04L12/705 , H04L12/721 , H04L12/24 , H04L12/751
CPC分类号： H04L45/18 , H04L41/0803 , H04L45/02 , H04L45/14
摘要： In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and causing the network traffic to be forwarded along at least one of the routing arcs to the destination device.

8. 发明授权

US09628391B2 Recursive load balancing in a loop-free routing topology using routing arcs 有权
公开(公告)号：US09628391B2
公开(公告)日：2017-04-18
申请号：US14518555
申请日：2014-10-20
申请人： Cisco Technology, Inc.
发明人： Pascal Thubert , Dirk Anteunis , Eric Michel Levy-Abegnoli , Patrice Bellagamba
IPC分类号： G01R31/08 , H04L12/803 , H04L12/751 , H04L12/705 , H04L12/707 , H04L12/24
CPC分类号： H04L47/125 , H04L41/0663 , H04L45/02 , H04L45/18 , H04L45/22
摘要： In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and load balancing the network traffic along the routing arcs based on traffic metrics obtained at the first and second ends of the routing arcs, including selectively sending a backpressure command to a first one of the routing arcs supplying at least a portion of the network traffic to a congested one of the routing arcs.

9. 发明申请

US20160164832A1 AUTONOMIC LOCATOR/IDENTIFIER SEPARATION PROTOCOL FOR SECURE HYBRID CLOUD EXTENSION 有权
标题翻译：自动定位器/识别器分离协议用于安全混合云扩展
公开(公告)号：US20160164832A1
公开(公告)日：2016-06-09
申请号：US14563688
申请日：2014-12-08
申请人： CISCO TECHNOLOGY, INC.
发明人： Patrice Bellagamba , Michael H. Behringer , Santiago Vazquez Freitas
IPC分类号： H04L29/06 , H04L29/08
CPC分类号： H04L63/0281 , H04L45/04 , H04L45/64 , H04L61/103 , H04L61/2084 , H04L67/10 , H04L67/141 , H04L67/2819
摘要： A method is provided in one example embodiment and includes configuring a local network element as an autonomic registrar for a designated network domain; establishing an autonomic control plane (“ACP”) between the local network element and one or more remote network elements identified by local network element as a remote neighbor; designating a locally-defined subnet at the local network element to be extended to each of the one or more remote network elements; and executing an ACP command at the local network element, wherein the executing triggers a message to each of the one or more remote network elements, the message including information regarding the designated local subnet. The information included in the message is used by each of the remote network elements to auto-resolve its Locator/Identifier Separation Protocol (“LISP”) configuration, enabling the designated local subnet to be extended to each of the one or more remote network elements.
摘要翻译：在一个示例实施例中提供了一种方法，并且包括将本地网络元件配置为用于指定网络域的自主注册器; 在本地网络元件和由本地网元识别为远程邻居的一个或多个远程网络元件之间建立自主控制平面（“ACP”）; 在所述本地网络元件处指定要扩展到所述一个或多个远程网络元件中的每一个的本地定义的子网; 以及在所述本地网络单元处执行ACP命令，其中所述执行向所述一个或多个远程网络元件中的每一个触发消息，所述消息包括关于所指定的本地子网的信息。消息中包含的信息被每个远程网络元件使用以自动解析其定位器/标识符分离协议（“LISP”）配置，使指定的本地子网能够扩展到一个或多个远程网络元件。

10. 发明申请

US20150163091A1 Repair of Failed Network Routing Arcs Using Data Plane Protocol 有权
标题翻译：使用数据平面协议修复失败的网络路由弧
公开(公告)号：US20150163091A1
公开(公告)日：2015-06-11
申请号：US14155562
申请日：2014-01-15
申请人： Cisco Technology, Inc.
发明人： Pascal Thubert , Patrice Bellagamba , Dirk Anteunis , Eric Levy-Abegnoli
IPC分类号： H04L12/24 , H04L12/939
CPC分类号： H04L45/28 , H04L41/0668 , H04L45/18 , H04L45/48 , H04L49/557
摘要： A network includes multiple routing arcs for routing network traffic to a destination. Each arc comprising nodes connected in sequence by reversible links oriented away from a node initially holding a cursor toward one of first and second edge nodes through which the network traffic exits the arc. Each node includes a network device. The nodes in the arc detect a first failure in the arc. Responsive to the detecting the first failure, the nodes exchange first management frames over a data plane within the arc in order to transfer the cursor from the node initially holding the cursor to a first node proximate the first failure and reverse links in the arc as appropriate so that the network traffic in the arc is directed away from the first failure toward the first edge node of the arc through which the network traffic is able to exit the arc.
摘要翻译：网络包括用于将网络流量路由到目的地的多个路由弧。每个弧包括通过可逆的链接依次连接的节点，所述可逆链接朝向远离最初保持光标的节点朝向第一和第二边缘节点之一，网络业务通过该节点离开该弧。每个节点包括网络设备。弧中的节点检测到弧中的第一个故障。响应于检测到第一故障，节点通过弧内的数据平面交换第一管理帧，以便将光标从最初保持光标的节点传送到靠近第一故障的第一节点，并且适当地在弧中反向链接使得电弧中的网络流量被引导离开第一故障朝向电弧的第一边缘节点，网络业务通过该第一边缘节点能够离开电弧。

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