公开(公告)号：US20190308520A1

公开(公告)日：2019-10-10

申请号：US16211406

申请日：2018-12-06

Applicant: Cisco Technology, Inc.

Inventor： David Ward ,  Michael John Beesley

IPC: B60L53/65 ,  H04L29/06 ,  G01C21/34 ,  G05D1/02 ,  G06N20/00 ,  B60L53/12 ,  H02J7/02

Abstract: In some embodiments, an electric vehicle sends a vehicle charging request to a supervisory service. The electric vehicle receives, from the supervisory service in response to the vehicle charging request, a location of a telecommunication node of a telecommunication network that is configured to provide charging to electric vehicles. The electric vehicle navigates to the received location of the telecommunication node. The vehicle initiates charging of the electric vehicle at the location of the telecommunication node.

公开(公告)号：US20160337209A1

公开(公告)日：2016-11-17

申请号：US15223235

申请日：2016-07-29

Applicant: Cisco Technology, Inc.

Inventor： James Guichard ,  Carlos M. Pignataro ,  David Ward ,  Paul Quinn ,  Surendra Kumar

IPC: H04L12/24 ,  H04L12/26 ,  H04L29/08

CPC classification number: H04L41/5009 ,  H04L41/0654 ,  H04L41/0668 ,  H04L41/5038 ,  H04L41/5077 ,  H04L43/0823 ,  H04L43/50 ,  H04L45/28 ,  H04L45/302 ,  H04L45/50 ,  H04L67/10

Abstract: Presented herein are techniques performed in a network comprising a plurality of network nodes each configured to apply one or more service functions to traffic that passes the respective network nodes in a service path. At a network node, an indication is received of a failure or degradation of one or more service functions or applications applied to traffic at the network node. Data descriptive of the failure or degradation is generated. A previous service hop network node at which a service function or application was applied to traffic in the service path is determined. The data descriptive of the failure or degradation is communicated to the previous service hop network node.

Abstract translation: 这里呈现的是在包括多个网络节点的网络中执行的技术，每个网络节点被配置为将一个或多个服务功能应用于通过服务路径中的相应网络节点的业务。 在网络节点处，接收到应用于网络节点处的业务的一个或多个服务功能或应用的故障或劣化的指示。 产生描述故障或退化的数据。 确定应用服务功能或应用程序到服务路径中的业务的先前服务跳网络节点。 将描述故障或劣化的数据传送到先前的服务跳网络节点。

公开(公告)号：US09246799B2

公开(公告)日：2016-01-26

申请号：US13891245

申请日：2013-05-10

Applicant: Cisco Technology, Inc.

Inventor： James Guichard ,  Paul Quinn ,  David Ward ,  Surendra Kumar ,  Navindra Yadav ,  Michael R. Smith ,  Nagaraj A. Bagepalli

IPC: H04L12/28 ,  H04L12/725

CPC classification number: H04L45/306 ,  H04L41/0893 ,  H04L47/2441 ,  H04L69/22

Abstract: Techniques are provided to decouple service chain structure from the underlying network forwarding state and allow for data plane learning of service chain forwarding requirements and any association between services function state requirements and the forward and reverse forwarding paths for a service chain. In a network comprising a plurality of network nodes each configured to apply a service function to traffic that passes through the respective network node, a packet is received at a network node. When the network node determines that the service function it applies is stateful, it updates context information in a network service header of the packet to indicate that the service function applied at the network node is stateful and that traffic for a reverse path matching the classification criteria is to be returned to the network node.

Abstract translation: 提供了技术来将服务链结构与底层网络转发状态分离，并允许服务链转发要求的数据平面学习和服务功能状态要求与服务链的前向和后向转发路径之间的任何关联。 在包括多个网络节点的网络中，每个网络节点被配置为对通过相应网络节点的业务应用服务功能，在网络节点处接收分组。 当网络节点确定其应用的服务功能是有状态时，它更新分组的网络服务报头中的上下文信息，以指示在网络节点处应用的服务功能是有状态的，并且用于与分类标准匹配的反向路径的业务 将被返回到网络节点。

公开(公告)号：US20140362682A1

公开(公告)日：2014-12-11

申请号：US13912224

申请日：2013-06-07

Applicant: Cisco Technology, Inc.

Inventor： James Guichard ,  Carlos M. Pignataro ,  David Ward ,  Paul Quinn ,  Surendra Kumar

IPC: H04L12/24 ,  H04L12/26

CPC classification number: H04L41/5009 ,  H04L41/0654 ,  H04L41/0668 ,  H04L41/5038 ,  H04L41/5077 ,  H04L43/0823 ,  H04L43/50 ,  H04L45/28 ,  H04L45/302 ,  H04L45/50 ,  H04L67/10

Abstract: Presented herein are techniques performed in a network comprising a plurality of network nodes each configured to apply one or more service functions to traffic that passes the respective network nodes in a service path. At a network node, an indication is received of a failure or degradation of one or more service functions or applications applied to traffic at the network node. Data descriptive of the failure or degradation is generated. A previous service hop network node at which a service function or application was applied to traffic in the service path is determined. The data descriptive of the failure or degradation is communicated to the previous service hop network node.

Abstract translation: 这里呈现的是在包括多个网络节点的网络中执行的技术，每个网络节点被配置为将一个或多个服务功能应用于通过服务路径中的相应网络节点的业务。 在网络节点处，接收到应用于网络节点处的业务的一个或多个服务功能或应用的故障或劣化的指示。 产生描述故障或退化的数据。 确定应用服务功能或应用程序到服务路径中的业务的先前服务跳网络节点。 将描述故障或劣化的数据传送到先前的服务跳网络节点。

公开(公告)号：US20140351452A1

公开(公告)日：2014-11-27

申请号：US13898932

申请日：2013-05-21

Applicant: Cisco Technology, Inc.

Inventor： Hendrikus G.P. Bosch ,  James Guichard ,  Dave Barach ,  Alessandro Duminuco ,  Luyuan Fang ,  Paul Quinn ,  Rex Fernando ,  David Ward

IPC: H04L29/08

CPC classification number: H04L67/10 ,  H04L45/02 ,  H04L45/04

Abstract: Presented herein are techniques for use in a network environment that includes one or more service zones, each service zone including at least one instance of an in-line application service to be applied to network traffic and one or more routers to direct network traffic to the at least one service, and a route target being assigned to a unique service zone to serve as a community value for route import and export between routers of other service zones, destination networks or source networks via a control protocol. An edge router in each service zone or destination network advertises routes by its destination network prefix tagged with its route target. A service chain is created by importing and exporting of destination network prefixes by way of route targets at edge routers of the service zones or source networks.

Abstract translation: 这里提出的是在包括一个或多个服务区域的网络环境中使用的技术，每个服务区域包括要应用于网络业务的在线应用服务的至少一个实例以及一个或多个路由器以将网络流量引导到 至少一个服务，以及被分配给唯一服务区的路由目标，以用作通过控制协议在其他服务区域，目的地网络或源网络的路由器之间路由导入和导出的社区值。 每个服务区域或目标网络中的边缘路由器通过其路由目标标记的目标网络前缀来通告路由。 通过在服务区域或源网络的边缘路由器上的路由目标导入和导出目标网络前缀来创建服务链。

公开(公告)号：US10659425B2

公开(公告)日：2020-05-19

申请号：US15489026

申请日：2017-04-17

Applicant: Cisco Technology, Inc.

Inventor： David Ward ,  Mark Townsley ,  Andre Surcouf ,  Alain Fiocco

IPC: H04L29/12 ,  H04L29/08 ,  H04L29/06 ,  H04L12/749 ,  H04L12/745 ,  H04L12/747 ,  H04L12/28 ,  H04N21/2343 ,  H04N21/658 ,  H04N21/643 ,  H04N21/845 ,  H04L12/723 ,  G06F16/955 ,  H04L12/721 ,  H04L12/725 ,  H04N21/262 ,  H04L12/743 ,  H04L12/26 ,  H04L12/741 ,  H04N21/2662

Abstract: A method of controlling the distribution of content in a network is described. The content traverses the network in packets comprising a packet header including an address associated with the content, and a packet payload including the content. The method includes obtaining the address associated with the content from the packet traversing the network and analysing the address to extract information associated with the content carried in the packet payload.

公开(公告)号：US10270843B2

公开(公告)日：2019-04-23

申请号：US15711235

申请日：2017-09-21

Applicant: Cisco Technology, Inc.

Inventor： Hendrikus G. P. Bosch ,  James Guichard ,  Dave Barach ,  Alessandro Duminuco ,  Luyuan Fang ,  Paul Quinn ,  Rex Fernando ,  David Ward

IPC: H04L29/08 ,  H04L12/715 ,  H04L12/751

Abstract: Presented herein are techniques for use in a network environment that includes one or more service zones, each service zone including at least one instance of an in-line application service to be applied to network traffic and one or more routers to direct network traffic to the at least one service, and a route target being assigned to a unique service zone to serve as a community value for route import and export between routers of other service zones, destination networks or source networks via a control protocol. An edge router in each service zone or destination network advertises routes by its destination network prefix tagged with its route target. A service chain is created by importing and exporting of destination network prefixes by way of route targets at edge routers of the service zones or source networks.

公开(公告)号：US20190068524A1

公开(公告)日：2019-02-28

申请号：US15689027

申请日：2017-08-29

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Gregory J. Shepherd ,  Ijsbrand Wijnands ,  Neale Ranns ,  David Ward ,  Michael Francis O'Gorman

IPC: H04L12/931

CPC classification number: H04L49/201 ,  H04L12/184 ,  H04L12/189 ,  H04L45/16 ,  H04L49/70 ,  H04L67/1002 ,  H04L67/1095 ,  H04L69/163

Abstract: In one embodiment, a method includes receiving from a host node comprising a tenant multicast application with a single tenant deployment, an encapsulated multicast packet over unicast at a virtual replicator, the encapsulated multicast packet comprising receiver information for the virtual replicator, replicating the encapsulated multicast packet at the virtual replicator, and transmitting the encapsulated multicast packet over unicast to a plurality of receiving nodes based on the receiver information. The receiving nodes comprise the tenant multicast application and the virtual replicator operates in a cloud without multicast capability. An apparatus is also disclosed herein.

公开(公告)号：US09253041B2

公开(公告)日：2016-02-02

申请号：US13961979

申请日：2013-08-08

Applicant: Cisco Technology, Inc.

Inventor： Stefano B. Previdi ,  Clarence Filsfils ,  David Ward

IPC: H04L12/24 ,  H04B10/27

CPC classification number: H04L41/12 ,  H04B10/27 ,  H04L45/02

Abstract: In one embodiment, techniques are provided to generate a Border Gateway Protocol-Link State (BGP-LS) advertisement message comprising information configured to indicate topological information associated with a Layer 0 (L0) network, where the topological information includes information for connectivity within the L0 network that is available to a Layer 3 (L3) network. The advertisement message is sent to a node in the L3 network. The message sent from the L0 network is received at the node in the L3 network. The topological information in the message is analyzed in order to determine connections available to the L3 network, yet within the L0 network. A connection request is sent from the node in the L3 network to the L0 network and connections between the nodes in L3 network are established using available connections in the L0 network.

Abstract translation: 在一个实施例中，提供了用于生成边界网关协议链路状态（BGP-LS）广告消息的技术，该消息包括被配置为指示与层0（L0）网络相关联的拓扑信息的信息，其中拓扑信息包括用于 L0网络可用于第3层（L3）网络。 广告消息被发送到L3网络中的节点。 从L3网络的节点接收从L0网络发送的消息。 分析消息中的拓扑信息，以确定可用于L3网络的连接，但在L0网络内。 从L3网络中的节点向L0网络发送连接请求，并利用L0网络中的可用连接建立L3网络节点之间的连接。

公开(公告)号：US09088354B2

公开(公告)日：2015-07-21

申请号：US14275445

申请日：2014-05-12

Applicant: Cisco Technology, Inc.

Inventor： Ornan Gerstel ,  Flavio Bonomi ,  David Ward

IPC: H04B10/00 ,  H04B10/079 ,  H04J14/02 ,  H04L12/709 ,  H04L12/801 ,  H04L12/803 ,  H04L12/707 ,  H04L12/721

CPC classification number: H04B10/0793 ,  H04B10/07955 ,  H04J14/0221 ,  H04J14/0227 ,  H04J14/0267 ,  H04J14/0284 ,  H04L45/22 ,  H04L45/245 ,  H04L45/70 ,  H04L47/10 ,  H04L47/125 ,  Y02D50/30

Abstract: A method for communicating optically between nodes of an optical network, including forming, between a first node and a second node of the network, a set of lightpaths, each of the set of lightpaths having a respective configuration, and transferring communication traffic between the first and second nodes via the set of lightpaths. The method also includes forming a determination for the set of lightpaths that a communication traffic level associated therewith is less than a predetermined threshold, and in response to the determination, removing a lightpath having a given configuration from the set of lightpaths to form a reduced set of lightpaths. The method further includes transferring the communication traffic between the first and second nodes via the reduced set of lightpaths, while reducing a level of power consumption in the removed lightpath and while maintaining the given configuration of the removed lightpath.

Abstract translation: 一种用于在光网络的节点之间进行光学通信的方法，包括在所述网络的第一节点和所述第二节点之间形成一组光路，所述一组光路中的每一个具有相应的配置，并且在所述第一 以及经由一组光路的第二节点。 该方法还包括形成对于与其相关联的通信业务量小于预定阈值的光路集合的确定，并且响应于该确定，从所述一组光路中去除具有给定配置的光路以形成缩小集合 的光线。 该方法还包括经由减少的光路集合在第一节点和第二节点之间传送通信业务，同时降低去除的光路中的功率消耗水平，同时保持去除的光路的给定配置。