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    Chaining Service Zones by way of Route Re-Origination
    13.
    发明申请
    Chaining Service Zones by way of Route Re-Origination 有权
    链路服务区通过路由重发

    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。

    VIRTUAL SERVICE TOPOLOGIES IN VIRTUAL PRIVATE NETWORKS
    14.
    发明申请
    VIRTUAL SERVICE TOPOLOGIES IN VIRTUAL PRIVATE NETWORKS 有权
    虚拟私人网络虚拟服务拓扑

    公开(公告)号：US20140313928A1

    公开(公告)日：2014-10-23

    申请号：US13865926

    申请日：2013-04-18

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Rex Fernando ,  Dhananjaya Rao ,  Jim Guichard ,  Paul Quinn

    IPC: H04L12/751 ,  H04L12/931

    CPC classification number: H04L45/02 ,  H04L49/70

    Abstract: In one embodiment, a method includes storing a service topology route at a network device interconnecting at least two zones comprising a plurality of hosts, and propagating the service topology route to create a service chain comprising a service node in communication with the network device. The service topology route creates a forwarding state at network devices in the service chain for use in inter-zone routing in a virtual private network. An apparatus and logic are also disclosed herein.

    Abstract translation: 在一个实施例中，一种方法包括在互连包括多个主机的至少两个区域的网络设备处存储服务拓扑路由，并且传播服务拓扑路由以创建包括与网络设备通信的服务节点的服务链。 服务拓扑路由在服务链中的网络设备上创建转发状态，以用于虚拟专用网络中的区域间路由。 本文还公开了一种装置和逻辑。

    GROUP-BASED POLICIES FOR INTER-DOMAIN TRAFFIC
    15.
    发明申请
    GROUP-BASED POLICIES FOR INTER-DOMAIN TRAFFIC 有权

    公开(公告)号：US20210160175A1

    公开(公告)日：2021-05-27

    申请号：US16697016

    申请日：2019-11-26

    Applicant: Cisco Technology, Inc.

    Inventor： Anubhav Gupta ,  Rex Fernando ,  Sanjay Kumar Hooda ,  Syam Sundar Appala ,  Samir Thoria

    IPC: H04L12/725 ,  H04L12/741 ,  H04L12/813 ,  H04L12/28

    Abstract: In one embodiment, a method includes receiving a data packet from a first host located in the first site, where the data packet may be destined to a second host located in a second site that may be different from the first site, determining that an identifier of a second group to which the second host belongs is not available at the first network apparatus, sending a request for an identifier of the second group to a second network apparatus, where the request may comprise an address of the second host, receiving a response comprising the identifier of the second group from the second network apparatus, determining that the second group is a destination group, applying one or more policies associated with the destination group to the data packet, and causing the data packet to be routed to the second host.

    Chaining service zones by way of route re-origination
    16.
    发明授权
    Chaining service zones by way of route re-origination 有权

    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.

    INTELLIGENT LOAD BALANCER
    18.
    发明申请
    INTELLIGENT LOAD BALANCER 审中-公开
    智能负载平衡器

    公开(公告)号：US20170026461A1

    公开(公告)日：2017-01-26

    申请号：US14809095

    申请日：2015-07-24

    Applicant: Cisco Technology, Inc.

    Inventor： Sami Boutros ,  Rex Fernando ,  Muthurajah Sivabalan ,  Bertrand Duvivier

    IPC: H04L29/08 ,  H04L12/755 ,  H04L12/723 ,  H04L12/803

    CPC classification number: H04L67/101 ,  H04L45/121 ,  H04L45/125 ,  H04L45/50

    Abstract: Systems, methods, and computer-readable media for an intelligent load balancer. In some embodiments, a system can analyze activity data for egress links associated with a network. The system can also receive a service request originating from a remote device. Next, the system can select a server in the network for receiving the service request. Based on the activity data, the system can also select an egress link from the egress links for communicating data associated with the service request from the network to a remote destination location, such as the remote device. The system can then send a signal to the selected server which can include the service request and an indication of the egress link to be used for the data associated with the service request. The system can also later change the selected egress link for the service request if the system subsequently identifies a better egress link.

    Abstract translation: 用于智能负载平衡器的系统，方法和计算机可读介质。 在一些实施例中，系统可以分析与网络相关联的出口链路的活动数据。 系统还可以接收源自远程设备的服务请求。 接下来，系统可以选择网络中的服务器来接收服务请求。 基于活动数据，系统还可以从出口链路选择出口链路，用于将与服务请求相关联的数据从网络传送到诸如远程设备的远程目的地位置。 然后，系统可以向所选择的服务器发送信号，该服务器可以包括服务请求和用于与服务请求相关联的数据的出口链路的指示。 如果系统随后识别出更好的出口链路，则系统还可以随后更改用于服务请求的所选择的出口链路。

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