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    DEPLOYMENT OF HIERARCHICAL MANAGED SWITCHING ELEMENTS
    22.
    发明申请
    DEPLOYMENT OF HIERARCHICAL MANAGED SWITCHING ELEMENTS 有权
    分配管理的开关元件的部署

    公开(公告)号：US20130058331A1

    公开(公告)日：2013-03-07

    申请号：US13288023

    申请日：2011-11-02

    Applicant: Pankaj Thakkar ,  Teemu Koponen ,  Paul S. Ingram ,  Peter J. Balland, III

    Inventor： Pankaj Thakkar ,  Teemu Koponen ,  Paul S. Ingram ,  Peter J. Balland, III

    IPC: H04L12/56

    CPC classification number: H04L41/0893 ,  G06F11/07 ,  G06F15/17312 ,  H04L12/4633 ,  H04L41/0816 ,  H04L41/0853 ,  H04L41/0896 ,  H04L45/00 ,  H04L45/586 ,  H04L47/783 ,  H04L49/00 ,  H04L49/1546 ,  H04L49/3063 ,  H04L49/70 ,  H04L61/2007 ,  H04L61/6022

    Abstract: Some embodiments provide a method that identifies several higher level switching elements for facilitating lower level switching elements to forward packets among network hosts. The method establishes a set of tunnels among the lower level switching elements and the higher level switching elements. At least one tunnel is established between a lower level switching element and a higher level switching element. For each higher level switching element in the several higher level switching elements, the method identifies a first set of forwarding data that specifies forwarding of packets between the higher level switching element and the several lower level switching elements. For each lower level switching element in the several lower level switching elements, the method identifies a second set of forwarding data that specifies forwarding of packets between the lower level switching element, the several of network hosts, and the several higher level switching elements.

    Abstract translation: 一些实施例提供了一种识别多个更高级别的交换元件以促进下层交换元件在网络主机之间转发分组的方法。 该方法在较低级别的开关元件和较高级别的开关元件之间建立一组隧道。 在较低级别的开关元件和较高级别的开关元件之间建立至少一个通道。 对于多个较高级别的交换单元中的每个较高级别的交换单元，该方法识别第一组转发数据，该第一组转发数据指定在较高级别的开关元件和多个较低级别的开关元件之间转发分组。 对于多个下层交换单元中的每个下级交换单元，该方法识别第二组转发数据，该第二组转发数据指定在下层交换单元，若干网络主机与多个较高级别的交换单元之间转发分组。

    HIERARCHICAL CONTROLLER CLUSTERS FOR INTERCONNECTING TWO OR MORE LOGICAL DATAPATH SETS
    23.
    发明申请
    HIERARCHICAL CONTROLLER CLUSTERS FOR INTERCONNECTING TWO OR MORE LOGICAL DATAPATH SETS 审中-公开
    用于互连两个或更多逻辑数据集的分层控制器集群

    公开(公告)号：US20130044761A1

    公开(公告)日：2013-02-21

    申请号：US13589035

    申请日：2012-08-17

    Applicant: Teemu Koponen ,  Martin Casado ,  Pankaj Thakkar ,  Ronghua Zhang ,  Daniel J. Wendlandt

    Inventor： Teemu Koponen ,  Martin Casado ,  Pankaj Thakkar ,  Ronghua Zhang ,  Daniel J. Wendlandt

    IPC: H04L12/56

    CPC classification number: H04L12/66 ,  H04L41/044 ,  H04L45/04

    Abstract: Some embodiments provide a novel network control system for managing a set of switching elements in a network. The network control system includes a first set of network controllers for managing a first set of switching elements that enable communication between a first set of machines. The network control system includes a second set of network controllers for managing a second set of switching elements that enable communication between a second set of machines. The second set of switching elements is separate from the first set of switching elements and the second set of machines is separate from the first set of machines. The network control system includes a third set of network controllers for managing the first and second sets of network controllers in order to enable communication between machines in the first set of machines and machines in the second set of machines.

    Abstract translation: 一些实施例提供了一种用于管理网络中的一组交换元件的新型网络控制系统。 网络控制系统包括第一组网络控制器，用于管理能够在第一组机器之间进行通信的第一组开关元件。 网络控制系统包括第二组网络控制器，用于管理能够在第二组机器之间通信的第二组交换元件。 第二组开关元件与第一组开关元件分开，第二组开关元件与第一组机器分开。 网络控制系统包括用于管理第一和第二组网络控制器的第三组网络控制器，以便能够使第一组机器中的机器和第二组机器中的机器之间的通信。

    FEDERATING INTERCONNECTION SWITCHING ELEMENT NETWORK TO TWO OR MORE LEVELS
    24.
    发明申请
    FEDERATING INTERCONNECTION SWITCHING ELEMENT NETWORK TO TWO OR MORE LEVELS 有权
    联合互联开关元件网络提供两个或多个等级

    公开(公告)号：US20130044641A1

    公开(公告)日：2013-02-21

    申请号：US13589049

    申请日：2012-08-17

    Applicant: Teemu Koponen ,  Martin Casado ,  Pankaj Thakkar ,  Ronghua Zhang

    Inventor： Teemu Koponen ,  Martin Casado ,  Pankaj Thakkar ,  Ronghua Zhang

    IPC: H04L12/66

    CPC classification number: H04L12/66 ,  H04L41/044 ,  H04L45/04

    Abstract: A network control system for interconnecting several separate networks. The system includes i) several interconnection switching elements, each of which is for connecting one of the separate networks to a common interconnecting network, ii) a first set of network controllers for managing a first set of the interconnection switching elements at a first set of separate networks in order for machines at different networks within the first set to communicate with each other, iii) a second set of network controllers for managing a second set of interconnection switching elements at a second set of separate networks in order for machines at different networks within the second set to communicate with each other, and iv) a third set of network controllers for managing the first and second sets of network controllers in order for machines at networks in the first set to communicate with machines at networks in the second set.

    Abstract translation: 用于互连几个单独网络的网络控制系统。 该系统包括：i）多个互连交换元件，每个互连开关元件用于将单独网络中的一个连接到公共互连网络; ii）第一组网络控制器，用于在第一组互连网络中管理第一组互连交换元件 单独的网络，以便在第一组内的不同网络上的机器彼此通信; iii）第二组网络控制器，用于在第二组不同网络处管理第二组互连交换元件，以便在不同网络处的机器 在第二组内相互通信，以及iv）用于管理第一组和第二组网络控制器的第三组网络控制器，以便第一组中的网络上的机器与第二组中网络处的机器进行通信。

    Network control apparatus and method for populating logical datapath sets
    25.
    发明授权
    Network control apparatus and method for populating logical datapath sets 有权

    公开(公告)号：US10103939B2

    公开(公告)日：2018-10-16

    申请号：US13269409

    申请日：2011-10-07

    Applicant: Teemu Koponen ,  Pankaj Thakkar ,  W. Andrew Lambeth

    Inventor： Teemu Koponen ,  Pankaj Thakkar ,  W. Andrew Lambeth

    IPC: H04L12/24 ,  H04L12/931 ,  H04L12/803

    Abstract: For a network control system that receives, from a user, logical datapath sets that logically express desired forwarding behaviors that are to be implemented by a set of managed switching elements, a controller for managing several managed switching elements that forward data in a network that includes the managed switching elements is described. The controller includes a set of modules for detecting a change in one or more managed switching elements and for updating logical datapath set based on the detected change. The logical datapath set is for subsequent translation into a set of physical forwarding behaviors of the managed switching elements.

    Chassis controller
    28.
    发明授权
    Chassis controller 有权
    底盘控制器

    公开(公告)号：US09178833B2

    公开(公告)日：2015-11-03

    申请号：US13589077

    申请日：2012-08-17

    Applicant: Teemu Koponen ,  Pankaj Thakkar

    Inventor： Teemu Koponen ,  Pankaj Thakkar

    IPC: G06F15/173 ,  H04L12/863 ,  H04L12/24 ,  H04L12/721 ,  G05B11/01 ,  G06F15/177 ,  H04L12/54 ,  H04L12/717 ,  G06F9/455

    CPC classification number: H04L47/50 ,  G05B11/01 ,  G06F9/45558 ,  G06F15/177 ,  G06F2009/45595 ,  H04L12/4633 ,  H04L41/0226 ,  H04L41/042 ,  H04L41/20 ,  H04L41/50 ,  H04L45/38 ,  H04L45/42 ,  H04L45/66 ,  H04L47/825 ,  H04L49/254

    Abstract: A network control system for generating physical control plane data for managing first and second managed forwarding elements that implement forwarding operations associated with a first logical datapath set is described. The system includes a first controller instance for converting logical control plane data for the first logical datapath set to universal physical control plane (UPCP) data. The system further includes a second controller instance for converting UPCP data to customized physical control plane (CPCP) data for the first managed forwarding element but not the second managed forwarding element. The system further includes a third controller instance for receiving UPCP data generated by the first controller instance, identifying the second controller instance as the controller instance responsible for generating the CPCP data for the first managed forward element, and supplying the received UPCP data to the second controller instance.

    Abstract translation: 描述用于生成用于管理实现与第一逻辑数据路径集相关联的转发操作的第一和第二被管理转发元素的物理控制平面数据的网络控制系统。 该系统包括用于将第一逻辑数据路径集合的逻辑控制平面数据转换成通用物理控制平面（UPCP）数据的第一控制器实例。 该系统还包括用于将UPCP数据转换成用于第一被管理转发元件而不是第二管理转发元件的定制物理控制平面（CPCP）数据的第二控制器实例。 所述系统还包括用于接收由所述第一控制器实例产生的UPCP数据的第三控制器实例，将所述第二控制器实例标识为负责生成所述第一管理的前向元件的CPCP数据的所述控制器实例，以及将所接收的UPCP数据提供给所述第二控制器实例 控制器实例。

    Packet processing in federated network
    29.
    发明授权
    Packet processing in federated network 有权
    联合网络中的数据包处理

    公开(公告)号：US08964767B2

    公开(公告)日：2015-02-24

    申请号：US13589044

    申请日：2012-08-17

    Applicant: Teemu Koponen ,  Martin Casado ,  Pankaj Thakkar ,  Ronghua Zhang ,  Daniel J. Wendlandt

    Inventor： Teemu Koponen ,  Martin Casado ,  Pankaj Thakkar ,  Ronghua Zhang ,  Daniel J. Wendlandt

    IPC: H04L12/26 ,  H04L12/28 ,  H04L12/56 ,  H04L12/54 ,  G06F15/16 ,  G06F15/173 ,  H04L12/66

    CPC classification number: H04L12/66 ,  H04L41/044 ,  H04L45/04

    Abstract: Some embodiments provide a novel method for forwarding a packet at a managed switching element in a first domain. The method receives a packet from a local machine. The method encapsulates the packet with a first context identifier that identifies a first logical port of a first logical switching element that couples to machines in both the first domain and a second domain. The first logical port maps to a destination address of the packet. Based on a mapping of the first logical port to a second logical port of a second logical switching element that couples to machines in only the first domain, the method encapsulates the packet with a second context identifier that identifies the second logical port. The method transmits the twice-encapsulated packet out of a port of the managed switching element based on the second context identifier.

    Abstract translation: 一些实施例提供了一种用于在第一域中的被管理交换元件处转发分组的新颖方法。 该方法从本地计算机接收数据包。 该方法封装具有标识耦合到第一域和第二域中的机器的第一逻辑交换元件的第一逻辑端口的第一上下文标识符的分组。 第一个逻辑端口映射到数据包的目标地址。 基于第一逻辑端口到仅耦合到仅在第一域中的机器的第二逻辑交换单元的第二逻辑端口的映射，该方法用识别第二逻辑端口的第二上下文标识符封装分组。 该方法基于第二上下文标识符从被管理交换元件的端口发送两次封装的分组。

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