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    METHOD AND APPARATUS FOR IMPLEMENTING AND MANAGING VIRTUAL SWITCHES
    1.
    发明申请
    METHOD AND APPARATUS FOR IMPLEMENTING AND MANAGING VIRTUAL SWITCHES 有权
    用于实施和管理虚拟开关的方法和装置

    公开(公告)号：US20100257263A1

    公开(公告)日：2010-10-07

    申请号：US12753044

    申请日：2010-04-01

    申请人： Martin Casado ,  Paul Ingram ,  Keith Eric Amidon ,  Peter J. Balland, III ,  Teemu Koponen ,  Benjamin Levy Pfaff ,  Justin Pettit ,  Jesse E. Gross, IV ,  Daniel J. Wendlandt

    发明人： Martin Casado ,  Paul Ingram ,  Keith Eric Amidon ,  Peter J. Balland, III ,  Teemu Koponen ,  Benjamin Levy Pfaff ,  Justin Pettit ,  Jesse E. Gross, IV ,  Daniel J. Wendlandt

    IPC分类号： G06F9/455 ,  G06F15/173

    CPC分类号： H04L49/25 ,  G06F9/45558 ,  G06F2009/45595 ,  H04L12/4633 ,  H04L12/4641 ,  H04L45/54 ,  H04L45/66 ,  H04L49/00 ,  H04L49/15 ,  H04L49/70 ,  H04L61/256

    摘要： In general, the present invention relates to a virtual platform in which one or more distributed virtual switches can be created for use in virtual networking. According to some aspects, the distributed virtual switch according to the invention provides the ability for virtual and physical machines to more readily, securely, and efficiently communicate with each other even if they are not located on the same physical host and/or in the same subnet or VLAN. According other aspects, the distributed virtual switches of the invention can support integration with traditional IP networks and support sophisticated IP technologies including NAT functionality, stateful firewalling, and notifying the IP network of workload migration. According to further aspects, the virtual platform of the invention creates one or more distributed virtual switches which may be allocated to a tenant, application, or other entity requiring isolation and/or independent configuration state. According to still further aspects, the virtual platform of the invention manages and/or uses VLAN or tunnels (e.g, GRE) to create a distributed virtual switch for a network while working with existing switches and routers in the network. The present invention finds utility in both enterprise networks, datacenters and other facilities.

    摘要翻译： 通常，本发明涉及一种虚拟平台，其中可以创建一个或多个分布式虚拟交换机用于虚拟网络中。 根据一些方面，根据本发明的分布式虚拟交换机提供虚拟和物理机器更容易，安全并且有效地彼此通信的能力，即使它们不位于相同的物理主机上和/或相同 子网或VLAN。 根据其他方面，本发明的分布式虚拟交换机可以支持与传统IP网络的集成，并支持复杂的IP技术，包括NAT功能，状态防火墙，以及通知IP网络的工作负载迁移。 根据另外的方面，本发明的虚拟平台创建一个或多个分配的虚拟交换机，其可以被分配给需要隔离和/或独立配置状态的租户，应用或其他实体。 根据另外的方面，本发明的虚拟平台管理和/或使用VLAN或隧道（例如，GRE）来在网络中与现有交换机和路由器协同工作时为网络创建分布式虚拟交换机。 本发明可用于企业网络，数据中心和其他设施。

    Method and apparatus for implementing and managing distributed virtual switches in several hosts and physical forwarding elements
    2.
    发明授权
    Method and apparatus for implementing and managing distributed virtual switches in several hosts and physical forwarding elements 有权
    用于在几个主机和物理转发元件中实现和管理分布式虚拟交换机的方法和装置

    公开(公告)号：US08966035B2

    公开(公告)日：2015-02-24

    申请号：US12753044

    申请日：2010-04-01

    申请人： Martin Casado ,  Paul Ingram ,  Keith Eric Amidon ,  Peter J. Balland, III ,  Teemu Koponen ,  Benjamin Levy Pfaff ,  Justin Pettit ,  Jesse E. Gross, IV ,  Daniel J. Wendlandt

    发明人： Martin Casado ,  Paul Ingram ,  Keith Eric Amidon ,  Peter J. Balland, III ,  Teemu Koponen ,  Benjamin Levy Pfaff ,  Justin Pettit ,  Jesse E. Gross, IV ,  Daniel J. Wendlandt

    IPC分类号： G06F9/455 ,  G06F15/173 ,  H04L12/931

    CPC分类号： H04L49/25 ,  G06F9/45558 ,  G06F2009/45595 ,  H04L12/4633 ,  H04L12/4641 ,  H04L45/54 ,  H04L45/66 ,  H04L49/00 ,  H04L49/15 ,  H04L49/70 ,  H04L61/256

    摘要： In general, the present invention relates to a virtual platform in which one or more distributed virtual switches can be created for use in virtual networking. According to some aspects, the distributed virtual switch according to the invention provides the ability for virtual and physical machines to more readily, securely, and efficiently communicate with each other even if they are not located on the same physical host and/or in the same subnet or VLAN. According other aspects, the distributed virtual switches of the invention can support integration with traditional IP networks and support sophisticated IP technologies including NAT functionality, stateful firewalling, and notifying the IP network of workload migration. According to further aspects, the virtual platform of the invention creates one or more distributed virtual switches which may be allocated to a tenant, application, or other entity requiring isolation and/or independent configuration state. According to still further aspects, the virtual platform of the invention manages and/or uses VLAN or tunnels (e.g, GRE) to create a distributed virtual switch for a network while working with existing switches and routers in the network. The present invention finds utility in both enterprise networks, datacenters and other facilities.

    摘要翻译： 通常，本发明涉及一种虚拟平台，其中可以创建一个或多个分布式虚拟交换机用于虚拟网络中。 根据一些方面，根据本发明的分布式虚拟交换机提供虚拟和物理机器更容易，安全并且有效地彼此通信的能力，即使它们不位于相同的物理主机上和/或相同 子网或VLAN。 根据其他方面，本发明的分布式虚拟交换机可以支持与传统IP网络的集成，并支持复杂的IP技术，包括NAT功能，状态防火墙，以及通知IP网络的工作负载迁移。 根据另外的方面，本发明的虚拟平台创建一个或多个分配的虚拟交换机，其可以被分配给需要隔离和/或独立配置状态的租户，应用或其他实体。 根据另外的方面，本发明的虚拟平台管理和/或使用VLAN或隧道（例如，GRE）来在网络中与现有交换机和路由器协同工作时为网络创建分布式虚拟交换机。 本发明可用于企业网络，数据中心和其他设施。

    Method and apparatus for stateless transport layer tunneling
    7.
    发明授权
    Method and apparatus for stateless transport layer tunneling 有权
    无状态传输层隧道的方法和装置

    公开(公告)号：US08825900B1

    公开(公告)日：2014-09-02

    申请号：US13181492

    申请日：2011-07-12

    申请人： Jesse E. Gross, IV ,  W. Andrew Lambeth

    发明人： Jesse E. Gross, IV ,  W. Andrew Lambeth

    IPC分类号： G06F15/173 ,  H04L12/56 ,  H04L12/46

    CPC分类号： H04L47/825 ,  H04L12/4633 ,  H04L12/4645 ,  H04L47/31 ,  H04L47/36 ,  H04L69/16 ,  H04L69/22

    摘要： Some embodiments of the invention provide a method of tunneling a data packet by encapsulating the data packet with a protocol header and specifying information in the fields of the header in a manner that a network switch can offload processing tasks to its network interface controller. The switch on a transmit side sends the processed data packet through the tunnel to another switch on a receive side. The two sides represent the two ends of the tunnel established between the two switches. Each of the transmit and received side switches is controlled by a switch controller, which in some embodiments is implemented as software. The switch controllers and network interface controllers together process the data packet which is being transferred through the tunnel between the switches.

    摘要翻译： 本发明的一些实施例提供了一种通过用协议头封装数据分组并以网络交换机可以将处理任务卸载到其网络接口控制器的方式在报头的字段中指定信息来隧道传送数据分组的方法。 发送侧的交换机通过隧道将处理后的数据包发送到接收端的另一个交换机。 双方代表两台交换机之间建立的隧道两端。 发送和接收侧开关中的每一个由开关控制器控制，在一些实施例中，开关控制器被实现为软件。 交换机控制器和网络接口控制器一起处理通过交换机之间隧道传输的数据包。