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    Managing a network by controlling edge and non-edge switching elements
    2.
    发明授权
    Managing a network by controlling edge and non-edge switching elements 有权
    通过控制边缘和非边缘开关元件来管理网络

    公开(公告)号：US09007903B2

    公开(公告)日：2015-04-14

    申请号：US13218472

    申请日：2011-08-26

    申请人： Teemu Koponen ,  Martin Casado

    发明人： Teemu Koponen ,  Martin Casado

    IPC分类号： H04L12/28 ,  H04L12/54 ,  G06F15/16 ,  G06F15/173 ,  H04L12/931 ,  H04L12/24 ,  G06F11/07

    CPC分类号： 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

    摘要： Some embodiments provide a network system that includes several non-edge switching elements that are each for forwarding network data to other non-edge switching elements. The network system includes several edge switching elements that are each for (1) coupling to a set of network hosts and (2) forwarding network data to the non-edge switching elements and to the set of network hosts. Each of the non-edge switching elements of the several non-edge switching elements is further for forwarding network data to the several edge switching elements. The network system includes a set of network controllers for (1) receiving a definition of a logical switching element that couples to the sets of network hosts and (2) managing the several edge switching elements by configuring the several edge switching elements to forward network data between the sets of network hosts based on the definition of the logical switching element.

    摘要翻译： 一些实施例提供一种网络系统，其包括几个非边缘交换元件，每个非边缘交换元件用于将网络数据转发到其他非边缘交换元件。 网络系统包括几个边缘交换元件，每个边缘交换元件各自用于（1）耦合到一组网络主机，以及（2）将网络数据转发到非边缘交换元件和网络主机集合。 几个非边缘交换元件的每个非边缘交换元件还用于将网络数据转发到多个边缘交换元件。 网络系统包括一组网络控制器，用于（1）接收耦合到网络主机集合的逻辑交换元件的定义，以及（2）通过配置多个边缘交换元件来转发网络数据来管理多个边缘交换元件 基于逻辑交换元素的定义在两组网络主机之间。

    Distributed network control system with a distributed hash table
    5.
    发明授权
    Distributed network control system with a distributed hash table 有权
    具有分散式哈希表的分布式网络控制系统

    公开(公告)号：US08775594B2

    公开(公告)日：2014-07-08

    申请号：US13218433

    申请日：2011-08-25

    申请人： Teemu Koponen ,  Martin Casado ,  Jeremy Stribling ,  Natasha Gude

    发明人： Teemu Koponen ,  Martin Casado ,  Jeremy Stribling ,  Natasha Gude

    IPC分类号： G06F15/173

    CPC分类号： 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

    摘要： A network control system that includes several controllers for managing several switching elements and a distributed hash table (DHT) formed across the controllers for storing data regarding the switching elements that is accessible by the controllers. Each hash table serves as a DHT instance. In some embodiments, the DHT instances of all controller instances collectively store one set of records that is indexed based on hashed indices for quick access. These records are distributed across the different controller instances to minimize the size of the records within each instance and to allow for the size of the DHT to be increased by adding other DHT instances. According to this scheme, each DHT record is not stored in each controller instance. In fact, in some embodiments, each DHT record is stored in at most one controller instance.

    摘要翻译： 一种网络控制系统，其包括用于管理多个交换元件的多个控制器和跨越控制器形成的分布式哈希表（DHT），用于存储关于控制器可访问的交换元件的数据。 每个哈希表用作DHT实例。 在一些实施例中，所有控制器实例的DHT实例共同地存储基于用于快速访问的散列索引进行索引的一组记录。 这些记录分布在不同的控制器实例之间，以最小化每个实例中记录的大小，并允许通过添加其他DHT实例来增加DHT的大小。 根据该方案，每个DHT记录不存储在每个控制器实例中。 事实上，在一些实施例中，每个DHT记录被存储在至多一个控制器实例中。

    PACKET PROCESSING IN A NETWORK WITH HIERARCHICAL MANAGED SWITCHING ELEMENTS
    9.
    发明申请
    PACKET PROCESSING IN A NETWORK WITH HIERARCHICAL MANAGED SWITCHING ELEMENTS 有权
    网络处理与分层管理的切换要素

    公开(公告)号：US20130058334A1

    公开(公告)日：2013-03-07

    申请号：US13225553

    申请日：2011-09-06

    申请人： Teemu Koponen ,  Keith E. Amidon ,  Paul S. Ingram ,  Martin Casado

    发明人： Teemu Koponen ,  Keith E. Amidon ,  Paul S. Ingram ,  Martin Casado

    IPC分类号： H04L12/56

    CPC分类号： 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

    摘要： Some embodiments provide a managed network for implementing a logical switching element. The managed network includes several managed edge switching elements that are each for (1) receiving packets for forwarding through the logical switching element and (2) forwarding packets that are known to the managed edge switching element to other managed edge switching elements in the several managed edge switching elements. The managed network includes a set of managed non-edge switching elements for (1) receiving packets from the several managed edge switching elements that are unknown to a particular managed edge switching element in the several managed edge switching elements and (2) forwarding packets to the several managed edge switching elements that are unknown to the several managed edge switching elements.

    摘要翻译： 一些实施例提供用于实现逻辑交换元件的受管网络。 管理网络包括几个管理边缘交换元件，每个管理边缘交换元件分别用于（1）接收用于通过逻辑交换元件转发的分组;以及（2）将被管理边缘交换元件已知的分组转发到多个管理的其他管理边缘交换元件 边缘开关元件。 管理网络包括一组管理的非边缘交换元件，用于（1）从几个管理边缘交换元件中的特定管理边缘交换元件未知的几个管理边缘交换元件接收分组，以及（2）将分组转发到 几个管理边缘交换元件对于几个管理边缘交换元件是未知的。