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    Network fabric topology expansion and self-healing devices
    1.
    发明授权
    Network fabric topology expansion and self-healing devices 有权

    公开(公告)号：US11025497B2

    公开(公告)日：2021-06-01

    申请号：US16423552

    申请日：2019-05-28

    Applicant: Cisco Technology, Inc.

    Inventor： Naiming Shen ,  Zach Cherian ,  Nag Avadhanam ,  Swapna Yelamanchi

    IPC: H04L12/24 ,  H04L12/721 ,  H04L29/12

    Abstract: An apparatus controls discovery of nodes for a network fabric and accommodates communication among the nodes. The apparatus may be a controller operating as a first node on a network and having a processor connected to memory. The controller is communicatively connected to a second node that has a native network protocol. The memory stores computer readable software instructions that, when implemented by the processor, cause the controller to send a discovery data packet to the second node in the second node's native network protocol. The discovery data packet advertises controller status information to the second node for use in establishing a communications link between the controller and the second node in the network fabric.

    Network wide source group tag binding propagation
    2.
    发明授权
    Network wide source group tag binding propagation 有权

    公开(公告)号：US09755939B2

    公开(公告)日：2017-09-05

    申请号：US14751503

    申请日：2015-06-26

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Naiming Shen ,  Jun Zhuang ,  Enke Chen ,  Michael Lee Sullenberger

    IPC: H04L12/26 ,  H04L29/08 ,  H04L29/06

    CPC classification number: H04L43/10 ,  H04L63/0227 ,  H04L67/22

    Abstract: In one embodiment, a method includes generating at a network device, a trace packet comprising an IP (Internet Protocol) to Source Group Tag (SGT) binding, transmitting the trace packet from the network device to an SGT capable device, wherein at least one non-SGT capable device is interposed in a path between the network device and the SGT capable device, and receiving at the network device, a reply packet from the SGT capable device in response to the trace packet, the reply packet indicating that the IP to SGT binding was installed at the SGT capable device. An apparatus and logic are also disclosed herein.

    Service Function Chaining Branching
    3.
    发明申请
    Service Function Chaining Branching 有权
    服务功能链分支

    公开(公告)号：US20170064039A1

    公开(公告)日：2017-03-02

    申请号：US14838963

    申请日：2015-08-28

    Applicant: Cisco Technology, Inc.

    Inventor： Naiming Shen ,  Keyur P. Patel ,  Carlos M. Pignataro ,  James N. Guichard

    IPC: H04L29/08 ,  H04L12/721 ,  H04L12/24

    CPC classification number: H04L67/327 ,  H04L41/0806 ,  H04L41/5054 ,  H04L41/5058 ,  H04L45/306 ,  H04L45/44

    Abstract: A system comprising a plurality of service nodes, a controller and a network device in communication with the controller. Each of the plurality of service nodes is configured to support one or more service functions to establish a service function chain that includes a plurality of service functions to be performed by routing traffic among the plurality of service nodes. The controller is configured to generate provisioning information for the service function chain. The provisioning information includes at least one condition upon which a service function reclassification or branching operation is to be performed by at least one service node. The network device is in communication with the controller, and is configured to distribute the provisioning information for the service function chain to the plurality of service nodes using a distributed routing protocol.

    Abstract translation: 包括多个服务节点的系统，控制器和与控制器通信的网络设备。 多个服务节点中的每一个被配置为支持一个或多个服务功能来建立服务功能链，该服务功能链包括通过在多个服务节点之间路由业务来执行的多个服务功能。 控制器被配置为生成用于服务功能链的供应信息。 所述供应信息包括由至少一个服务节点执行服务功能重新分类或分支操作的至少一个条件。 网络设备与控制器通信，并且被配置为使用分布式路由协议将服务功能链的供应信息分发到多个服务节点。

    Multicast service with is-is spine-leaf extension in a fabric network
    5.
    发明授权
    Multicast service with is-is spine-leaf extension in a fabric network 有权

    公开(公告)号：US10516549B2

    公开(公告)日：2019-12-24

    申请号：US15226734

    申请日：2016-08-02

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Naiming Shen ,  Stig I. Venaas ,  Ashutosh Gupta

    IPC: H04L12/44 ,  H04L12/18 ,  H04L12/743

    Abstract: Aspects of the embodiments are directed to systems, methods, and network elements executing instructions stored thereon. Aspects are directed to, for each spine node connected to a leaf node network element, identifying a spine router identifier, identifying a multicast group address, computing a plurality of hash values based on a hash function using the spine router identifier and the multicast group address, identifying a root spine node based on a highest hash value from the plurality of hash values; and transmitting an IS-IS message to root spine node indicating election of spine node as the root spine node.

    Network Fabric Topology Expansion and Self-Healing Devices
    6.
    发明申请
    Network Fabric Topology Expansion and Self-Healing Devices 审中-公开

    公开(公告)号：US20190280939A1

    公开(公告)日：2019-09-12

    申请号：US16423552

    申请日：2019-05-28

    Applicant: Cisco Technology, Inc.

    Inventor： Naiming Shen ,  Zach Cherian ,  Nag Avadhanam ,  Swapna Yelamanchi

    IPC: H04L12/24

    Abstract: An apparatus controls discovery of nodes for a network fabric and accommodates communication among the nodes. The apparatus may be a controller operating as a first node on a network and having a processor connected to memory. The controller is communicatively connected to a second node that has a native network protocol. The memory stores computer readable software instructions that, when implemented by the processor, cause the controller to send a discovery data packet to the second node in the second node's native network protocol. The discovery data packet advertises controller status information to the second node for use in establishing a communications link between the controller and the second node in the network fabric.

    Service function chaining branching
    8.
    发明授权
    Service function chaining branching 有权

    公开(公告)号：US09860340B2

    公开(公告)日：2018-01-02

    申请号：US15606267

    申请日：2017-05-26

    Applicant: Cisco Technology, Inc.

    Inventor： Naiming Shen ,  Keyur P. Patel ,  Carlos M. Pignataro ,  James N. Guichard

    IPC: H04L12/28 ,  H04L29/08 ,  H04L12/24 ,  H04L12/721

    CPC classification number: H04L67/327 ,  H04L41/0806 ,  H04L41/5054 ,  H04L41/5058 ,  H04L45/306 ,  H04L45/44

    Abstract: A system comprising a plurality of service nodes, a controller and a network device in communication with the controller. Each of the plurality of service nodes is configured to support one or more service functions to establish a service function chain that includes a plurality of service functions to be performed by routing traffic among the plurality of service nodes. The controller is configured to generate provisioning information for the service function chain. The provisioning information includes at least one condition upon which a service function reclassification or branching operation is to be performed by at least one service node. The network device is in communication with the controller, and is configured to distribute the provisioning information for the service function chain to the plurality of service nodes using a distributed routing protocol.

    VIRTUAL PRIVATE NETWORK FORWARDING AND NEXTHOP TO TRANSPORT MAPPING SCHEME
    9.
    发明申请
    VIRTUAL PRIVATE NETWORK FORWARDING AND NEXTHOP TO TRANSPORT MAPPING SCHEME 有权
    虚拟私有网络转发和运输映射方案

    公开(公告)号：US20160380823A1

    公开(公告)日：2016-12-29

    申请号：US14747831

    申请日：2015-06-23

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Naiming Shen ,  Jun Zhuang ,  Enke Chen

    IPC: H04L12/24 ,  H04L29/12 ,  H04L12/46

    CPC classification number: H04L12/4633 ,  H04L12/4675 ,  H04L45/00 ,  H04L61/2514 ,  H04L61/2592 ,  H04L61/6068

    Abstract: A method is provided in one example embodiment and includes configuring on a network element a first tunnel from the network element to a first network, wherein the configuring comprises mapping a nexthop address of the local network element to a transport address of the tunnel on the network to create a first nexthop-to-transport mapping for the network element; and advertising the first nexthop-to-transport mapping along with routing information for the network element to remote network elements.

    Abstract translation: 在一个示例实施例中提供了一种方法，并且包括在网络元件上配置从网络元件到第一网络的第一隧道，其中所述配置包括将所述本地网络元件的下一跳地址映射到所述网络上的隧道的传输地址 为网络元素创建第一个下一跳到传输映射; 并将第一个下一跳到传输映射以及网元的路由信息​​广播到远程网络元件。

    Network fabric topology expansion and self-healing devices
    10.
    发明授权
    Network fabric topology expansion and self-healing devices 有权

    公开(公告)号：US10333793B2

    公开(公告)日：2019-06-25

    申请号：US15487978

    申请日：2017-04-14

    Applicant: Cisco Technology, Inc.

    Inventor： Naiming Shen ,  Zach Cherian ,  Nag Avadhanam ,  Swapna Yelamanchi

    IPC: H04L12/24 ,  H04L12/721 ,  H04L29/12

    Abstract: An apparatus controls discovery of nodes for a network fabric and accommodates communication among the nodes. The apparatus may be a controller operating as a first node on a network and having a processor connected to memory. The controller is communicatively connected to a second node that has a native network protocol. The memory stores computer readable software instructions that, when implemented by the processor, cause the controller to send a discovery data packet to the second node in the second node's native network protocol. The discovery data packet advertises controller status information to the second node for use in establishing a communications link between the controller and the second node in the network fabric.

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