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    OVERLAY SERVICES IN COMMUNICATION NETWORKS
    3.
    发明申请
    OVERLAY SERVICES IN COMMUNICATION NETWORKS 有权
    通信网络中的覆盖服务

    公开(公告)号：US20140112349A1

    公开(公告)日：2014-04-24

    申请号：US13751717

    申请日：2013-01-28

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Victor Moreno ,  Dino Farinacci ,  Fabio Maino

    IPC: H04L12/56

    CPC classification number: H04L45/64 ,  H04L12/4633 ,  H04L12/4641 ,  H04L12/6418 ,  H04L61/103

    Abstract: In one embodiment, a method includes receiving a packet from a first host at a first edge device, the packet comprising a layer 3 address of a second host in communication with a second edge device, using the layer 3 address of the second host to receive a layer 2 address and a location identifier for the second host from a database accessible from a core network, the database comprising a mapping of layer 3 host addresses to layer 2 host addresses and location identifiers, and storing a mapping of the layer 2 address to the location identifier at the first edge device for use in forwarding packets to the second host. The first edge device is in communication with the second edge device in an overlay network defined by the edge devices interconnected by the core network. An apparatus and logic are also disclosed herein.

    Abstract translation: 在一个实施例中，一种方法包括在第一边缘设备处从第一主机接收分组，该分组包括与第二边缘设备通信的第二主机的第3层地址，使用第二主机的第3层地址来接收 来自可从核心网访问的数据库的第二主机的第二层地址和位置标识符，所述数据库包括层3主机地址到层2主机地址和位置标识符的映射，以及将层2地址的映射存储到 在第一边缘设备处的位置标识符用于将分组转发到第二主机。 第一边缘设备在由由核心网互连的边缘设备定义的覆盖网络中与第二边缘设备通信。 本文还公开了一种装置和逻辑。

    Interconnecting virtual private networks
    4.
    发明授权
    Interconnecting virtual private networks 有权
    互连虚拟专用网络

    公开(公告)号：US09479433B1

    公开(公告)日：2016-10-25

    申请号：US14155190

    申请日：2014-01-14

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Darrel Lewis ,  Gregg Schudel ,  John Mullooly ,  Isidoros Kouvelas ,  Jesper Skriver ,  Christian Cassar ,  Dino Farinacci ,  Fabio Maino

    IPC: H04L12/715 ,  H04L12/24 ,  H04L12/911 ,  H04L12/723

    CPC classification number: H04L12/4633 ,  H04L12/46 ,  H04L12/4641 ,  H04L12/66 ,  H04L45/50 ,  H04L47/825

    Abstract: In one embodiment, a method includes receiving at a first network device in a first virtual private network, a packet destined for a second network device in communication with a second virtual private network, and transmitting the packet over the second network, wherein the packet is encapsulated for transmittal on a tunnel extending from the first network device to the second network device. The first network device is in communication with a system operable to map and encapsulate the packet and provide an overlay that traverses over the second virtual private network. An apparatus and logic are also disclosed herein.

    Abstract translation: 在一个实施例中，一种方法包括在第一虚拟专用网络中的第一网络设备处接收目的地是与第二虚拟专用网络通信的第二网络设备的分组，以及通过所述第二网络发送所述分组，其中所述分组是 封装在从第一网络设备延伸到第二网络设备的隧道上传输。 第一网络设备与可操作以映射和封装分组的系统通信，并提供穿过第二虚拟专用网络的覆盖。 本文还公开了一种装置和逻辑。

    INTERCONNECTING VIRTUAL PRIVATE NETWORKS
    6.
    发明申请
    INTERCONNECTING VIRTUAL PRIVATE NETWORKS 审中-公开
    互联虚拟网络

    公开(公告)号：US20170005831A1

    公开(公告)日：2017-01-05

    申请号：US15267007

    申请日：2016-09-15

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Darrel Lewis ,  Gregg Schudel ,  John Mullooly ,  Isidoros Kouvelas ,  Jesper Skriver ,  Christian Cassar ,  Dino Farinacci ,  Fabio Maino

    IPC: H04L12/46 ,  H04L12/911 ,  H04L12/723 ,  H04L12/66

    CPC classification number: H04L12/4633 ,  H04L12/46 ,  H04L12/4641 ,  H04L12/66 ,  H04L45/50 ,  H04L47/825

    Abstract: In one embodiment, a method includes receiving at a first network device in a first virtual private network, a packet destined for a second network device in communication with a second virtual private network, and transmitting the packet over the second network, wherein the packet is encapsulated for transmittal on a tunnel extending from the first network device to the second network device. The first network device is in communication with a system operable to map and encapsulate the packet and provide an overlay that traverses over the second virtual private network. An apparatus and logic are also disclosed herein.

    Abstract translation: 在一个实施例中，一种方法包括在第一虚拟专用网络中的第一网络设备处接收目的地是与第二虚拟专用网络通信的第二网络设备的分组，以及通过所述第二网络发送所述分组，其中所述分组是 封装在从第一网络设备延伸到第二网络设备的隧道上传输。 第一网络设备与可操作以映射和封装分组的系统通信，并提供穿过第二虚拟专用网络的覆盖。 本文还公开了一种装置和逻辑。

    Overlay services in communication networks
    7.
    发明授权
    Overlay services in communication networks 有权
    通讯网络覆盖服务

    公开(公告)号：US09240944B2

    公开(公告)日：2016-01-19

    申请号：US13751717

    申请日：2013-01-28

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Victor Moreno ,  Dino Farinacci ,  Fabio Maino

    IPC: H04L12/56 ,  H04L12/715 ,  H04L29/12 ,  H04L12/46 ,  H04L12/64

    CPC classification number: H04L45/64 ,  H04L12/4633 ,  H04L12/4641 ,  H04L12/6418 ,  H04L61/103

    Abstract: In one embodiment, a method includes receiving a packet from a first host at a first edge device, the packet comprising a layer 3 address of a second host in communication with a second edge device, using the layer 3 address of the second host to receive a layer 2 address and a location identifier for the second host from a database accessible from a core network, the database comprising a mapping of layer 3 host addresses to layer 2 host addresses and location identifiers, and storing a mapping of the layer 2 address to the location identifier at the first edge device for use in forwarding packets to the second host. The first edge device is in communication with the second edge device in an overlay network defined by the edge devices interconnected by the core network. An apparatus and logic are also disclosed herein.

    Abstract translation: 在一个实施例中，一种方法包括在第一边缘设备处从第一主机接收分组，该分组包括与第二边缘设备通信的第二主机的第3层地址，使用第二主机的第3层地址来接收 来自可从核心网访问的数据库的第二主机的第二层地址和位置标识符，所述数据库包括层3主机地址到层2主机地址和位置标识符的映射，以及将层2地址的映射存储到 在第一边缘设备处的位置标识符用于将分组转发到第二主机。 第一边缘设备在由由核心网互连的边缘设备定义的覆盖网络中与第二边缘设备通信。 本文还公开了一种装置和逻辑。

    TRIPLE-TIER ANYCAST ADDRESSING
    8.
    发明申请
    TRIPLE-TIER ANYCAST ADDRESSING 审中-公开
    三位一体的解决方案

    公开(公告)号：US20140226669A1

    公开(公告)日：2014-08-14

    申请号：US14256919

    申请日：2014-04-18

    Applicant: Cisco Technology, Inc.

    Inventor： Dino Farinacci ,  Thomas Edsall

    IPC: H04L12/741

    CPC classification number: H04L45/74 ,  H04L12/4633 ,  H04L45/00 ,  H04L45/58 ,  H04L49/351 ,  H04L49/552 ,  H04L49/604 ,  H04L49/70 ,  H04L61/103 ,  H04L61/6022 ,  H04L61/6077

    Abstract: In one embodiment, a solution is provided wherein redundant routers are treated as a single emulated switch. When a packet is received at a layer 2 edge switch from a host, the layer 2 edge switch may determine a switch identifier for the emulated switch using a destination anycast hardware address contained in the packet. The anycast hardware address may identify an emulated switch comprising a plurality of routers. Then a header may be added to the packet, the header including the switch identifier. Following that, the packet may be forwarded to another layer 2 switch along a shortest path from the layer 2 edge switch to the emulated switch.

    Abstract translation: 在一个实施例中，提供了一种解决方案，其中冗余路由器被视为单个仿真开关。 当在来自主机的层2边缘交换机处接收到分组时，层2边缘交换机可以使用包含在分组中的目的地任播硬件地址来确定仿真交换机的交换机标识符。 任播硬件地址可以标识包括多个路由器的仿真交换机。 然后可以向分组添加报头，该报头包括交换机标识符。 之后，分组可以沿着从第2层边缘交换机到仿真交换机的最短路径转发到另一层2交换机。

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