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    Distributed and scalable network address translation
    1.
    发明授权
    Distributed and scalable network address translation 有权
    分布式和可扩展的网络地址转换

    公开(公告)号：US08902743B2

    公开(公告)日：2014-12-02

    申请号：US12824989

    申请日：2010-06-28

    申请人： Albert Greenberg ,  David A. Maltz ,  Parveen K. Patel ,  Lihua Yuan

    发明人： Albert Greenberg ,  David A. Maltz ,  Parveen K. Patel ,  Lihua Yuan

    IPC分类号： G08C15/00 ,  H04J3/22 ,  H04L12/28 ,  G06F15/16 ,  G06F15/173 ,  H04L29/12

    CPC分类号： H04L61/2517 ,  H04L29/12367 ,  H04L29/12377 ,  H04L29/12396 ,  H04L61/2514 ,  H04L61/2525

    摘要： A method of enabling an electronic privately addressable source to be publicly addressable starts at a receiver where an electronic message is received. It is communicated from a sender with a private address outside a subnet of the receiver through a translator. The translator retrieves a lease to at least one of a public address or a port from a lease manager, translates the private address and the private port into a public address and a public port and communicates identifying data such as the public address and the public port to the receiver. If a response is communicated to the private sender, the response may be communicated to the private sender through the network. The public address and the public port on the message may be translated to the private address and the port of the private sender and the private address and the private port may be used to properly route the response to the private sender.

    摘要翻译： 使电子私密寻址源能够公开寻址的方法从接收电子消息的接收机开始。 通过翻译器从接收者的子网外的私人地址的发送者传送。 翻译人员从租赁经理向至少一个公共地址或港口检索租约，将私人地址和专用端口转换为公共地址和公共端口，并传达公共地址和公共端口等识别数据 到接收器。 如果将响应传达给私人发送者，则该响应可以通过网络传送给私人发送者。 消息上的公共地址和公共端口可以被转换为专用地址，并且专用发送者的端口和专用地址以及专用端口可以用于将响应正确地路由到私人发送者。

    MULTI-TENANT MIDDLEWARE CLOUD SERVICE TECHNOLOGY
    2.
    发明申请
    MULTI-TENANT MIDDLEWARE CLOUD SERVICE TECHNOLOGY 有权
    多重中间件云服务技术

    公开(公告)号：US20130339505A1

    公开(公告)日：2013-12-19

    申请号：US13527372

    申请日：2012-06-19

    申请人： Deepak Bansal ,  Parveen Patel ,  Albert Greenberg

    发明人： Deepak Bansal ,  Parveen Patel ,  Albert Greenberg

    IPC分类号： G06F15/173

    CPC分类号： H04L47/10 ,  G06F9/5072 ,  G06F9/5077

    摘要： A system that includes multiple hosts, each running a plurality of virtual machines. The system may be, for example, a cloud computing environment in which there are services and a service coordination system that communicates with the hosts and with the services. The services include a middleware management service that is configured to maintain per-tenant middleware policy for each of multiple tenants. The middleware management service causes the middleware policy to be applied to network traffic by directing network traffic to a middleware enforcement mechanism. This middleware policy is per-tenant in that it depends on an identity of a tenant.

    摘要翻译： 包括多个主机的系统，每个主机运行多个虚拟机。 该系统可以是例如云计算环境，其中存在与主机和服务进行通信的服务和服务协调系统。 这些服务包括一个中间件管理服务，该服务被配置为为多个租户中的每一个维护租户的中间件策略。 中间件管理服务通过将网络流量引导到中间件执行机制，使中间件策略应用于网络流量。 这种中间件政策是租用的，因为它取决于租户的身份。

    PERFORMANCE ISOLATION FOR CLOUDS
    4.
    发明申请
    PERFORMANCE ISOLATION FOR CLOUDS 有权
    云的性能隔离

    公开(公告)号：US20130003538A1

    公开(公告)日：2013-01-03

    申请号：US13171398

    申请日：2011-06-28

    申请人： Albert Greenberg ,  Alan Shieh ,  Srikanth Kandula ,  Changhoon Kim

    发明人： Albert Greenberg ,  Alan Shieh ,  Srikanth Kandula ,  Changhoon Kim

    IPC分类号： H04L12/56

    CPC分类号： H04L47/12 ,  H04L47/623

    摘要： Traffic in a cloud is controlled by the nodes participating in the cloud. Tenants of the cloud each have a ratio. On any given node, a current transmission rate of the node is allocated among the tenants of the node, or more specifically, their execution units (e.g., virtual machines) on the node. Thus each tenant receives a predefined portion of the transmission capacity of the node. The transmission capacity can vary as conditions on the network change. For example, if congestion occurs, the transmission capacity may be decreased. Nonetheless, each tenant receives, according to its ratio, a same relative portion of the overall transmission capacity.

    摘要翻译： 云中的流量由参与云的节点控制。 云的租户各有一个比例。 在任何给定节点上，节点的当前传输速率在节点的租户之间分配，或者更具体地，在节点上分配它们的执行单元（例如，虚拟机）。 因此，每个租户接收节点的传输容量的预定义部分。 传输容量可随网络条件变化而变化。 例如，如果发生拥塞，则传输容量可能会降低。 然而，每个租户根据其比例接收到整体传输能力的相同部分。

    SYSTEM AND METHOD FOR PROACTIVE TASK SCHEDULING
    5.
    发明申请
    SYSTEM AND METHOD FOR PROACTIVE TASK SCHEDULING 有权
    用于主动任务调度的系统和方法

    公开(公告)号：US20120167101A1

    公开(公告)日：2012-06-28

    申请号：US12979338

    申请日：2010-12-28

    申请人： Srikanth Kandula ,  Ganesh Ananthanarayanan ,  Albert Greenberg ,  Yi Lu ,  Bikas Saha ,  Edward Harris

    发明人： Srikanth Kandula ,  Ganesh Ananthanarayanan ,  Albert Greenberg ,  Yi Lu ,  Bikas Saha ,  Edward Harris

    IPC分类号： G06F9/46

    CPC分类号： H04L67/325 ,  G06F9/5038 ,  G06F9/5088 ,  G06F2209/506

    摘要： The described implementations relate to distributed computing. One implementation provides a system that can include an outlier detection component that is configured to identify an outlier task from a plurality of tasks based on runtimes of the plurality of tasks. The system can also include a cause evaluation component that is configured to evaluate a cause of the outlier task. For example, the cause of the outlier task can be an amount of data processed by the outlier task, contention for resources used to execute the outlier task, or a communication link with congested bandwidth that is used by the outlier task to input or output data. The system can also include one or more processing devices configured to execute one or more of the components.

    摘要翻译： 所描述的实现涉及分布式计算。 一个实现提供了一种系统，其可以包括异常值检测组件，其被配置为基于多个任务的运行时间从多个任务识别离群任务。 该系统还可以包括一个原因评估组件，该组件被配置为评估离群任务的原因。 例如，离群任务的原因可以是由离群任务处理的数据量，用于执行离群任务的资源的争用，或者具有拥挤带宽的通信链路，该异常值任务用于输入或输出数据 。 该系统还可以包括配置成执行一个或多个组件的一个或多个处理设备。

    Interconnecting Members of a Virtual Network
    6.
    发明申请
    Interconnecting Members of a Virtual Network 有权
    虚拟网络的互连成员

    公开(公告)号：US20110283017A1

    公开(公告)日：2011-11-17

    申请号：US12780673

    申请日：2010-05-14

    申请人： Hasan Alkhatib ,  Changhoon Kim ,  Geoff Outhred ,  Deepak Bansal ,  Albert Greenberg ,  Dave Maltz ,  Parveen Patel

    发明人： Hasan Alkhatib ,  Changhoon Kim ,  Geoff Outhred ,  Deepak Bansal ,  Albert Greenberg ,  Dave Maltz ,  Parveen Patel

    IPC分类号： G06F15/173 ,  G06F9/455

    CPC分类号： H04L12/4641 ,  H04L12/4633 ,  H04L45/04 ,  H04L45/42 ,  H04L45/46 ,  H04L45/566 ,  H04L45/586

    摘要： Computerized methods, systems, and computer-readable media are provided for establishing and managing a virtual network (V-net) and virtual machine (VM) switches that enable protected and isolated interconnections between members of the V-net. The V-net members include an originating network adapter that generates data packets addressed to a destination network adapter. Upon detecting data-packet generation, a source-side VM switch accesses a forwarding table associated with the V-net, ascertains a destination-side, VM-switch locator that corresponds to an identifier of the destination network adapter, and modifies the data packets to include the identifier. The forwarding table represents a mapping between the members of the V-net and VM switches located on respective nodes within the data center. In operation, the mapping enforces communication policies that govern data-packet traffic. Upon receiving the data packets, the destination-side VM switch restores the data packets and forwards them to the destination network adapter.

    摘要翻译： 提供了计算机化方法，系统和计算机可读介质，用于建立和管理虚拟网络（V-net）和虚拟机（VM）交换机，从而实现V-net成员之间的保护和隔离互连。 V-net成员包括生成发往目标网络适配器的数据包的始发网络适配器。 在检测到数据包生成时，源侧VM交换机访问与V-net相关联的转发表，确定与目的网络适配器的标识符相对应的目的地侧的VM交换机定位符，并修改数据包 包括标识符。 转发表表示位于数据中心内的相应节点上的V-net和VM交换机的成员之间的映射。 在操作中，映射强制执行数据包流量的通信策略。 目的端VM交换机接收到数据包后，恢复数据包并将其转发到目的网络适配器。

    SOFTWARE TEST BED GENERATION
    7.
    发明申请
    SOFTWARE TEST BED GENERATION 有权
    软件测试台生成

    公开(公告)号：US20100229150A1

    公开(公告)日：2010-09-09

    申请号：US12399058

    申请日：2009-03-06

    申请人： Raymond L. Stone ,  Christopher A. Cubley ,  Ashvin J. Sanghvi ,  Albert Greenberg

    发明人： Raymond L. Stone ,  Christopher A. Cubley ,  Ashvin J. Sanghvi ,  Albert Greenberg

    IPC分类号： G06F9/44 ,  G06F17/30

    CPC分类号： G06F8/00 ,  G06F11/3664 ,  G06F11/3684

    摘要： A system and method is described for generating a test bed that is useful in developing, testing and/or supporting the use of software, such as software used for managing IT processes and/or monitoring equipment in an enterprise network. The system and method operates by processing a manifest to generate an instance space model of a computer network, wherein the manifest refers to a type space model of a computer network and includes an encoding that conveys parameters that are used to inflate the type space model of the computer network into the instance space model of the computer network. The type space model may comprise an object-relational directed graph that describes a plurality of potential directed graph instances and the instance space model may comprise one of the plurality of potential directed graph instances.

    摘要翻译： 描述了一种用于生成测试台的系统和方法，该测试台可用于开发，测试和/或支持使用软件，例如用于管理企业网络中的IT过程和/或监视设备的软件。 系统和方法通过处理清单来生成计算机网络的实例空间模型来操作，其中清单指的是计算机网络的类型空间模型，并且包括传达用于使类型空间模型膨胀的参数的编码 计算机网络进入计算机网络的实例空间模型。 类型空间模型可以包括描述多个潜在有向图实例的对象关系有向图，并且实例空间模型可以包括多个潜在有向图实例中的一个。

    Constructing an Inference Graph for a Network
    8.
    发明申请
    Constructing an Inference Graph for a Network 有权
    构建网络的推理图

    公开(公告)号：US20080222287A1

    公开(公告)日：2008-09-11

    申请号：US12039714

    申请日：2008-02-28

    申请人： Paramvir Bahl ,  Srikanth Kandula ,  Ranveer Chandra ,  David A. Maltz ,  Ming Zhang ,  Albert Greenberg

    发明人： Paramvir Bahl ,  Srikanth Kandula ,  Ranveer Chandra ,  David A. Maltz ,  Ming Zhang ,  Albert Greenberg

    IPC分类号： G06F17/00 ,  G06F15/173

    CPC分类号： H04L41/5058 ,  H04L41/12

    摘要： Constructing an inference graph relates to the creation of a graph that reflects dependencies within a network. In an example embodiment, a method includes determining dependencies among components of a network and constructing an inference graph for the network responsive to the dependencies. The components of the network include services and hardware components, and the inference graph reflects cross-layer components including the services and the hardware components. In another example embodiment, a system includes a service dependency analyzer and an inference graph constructor. The service dependency analyzer is to determine dependencies among components of a network, the components including services and hardware components. The inference graph constructor is to construct an inference graph for the network responsive to the dependencies, the inference graph reflecting cross-layer components including the services and the hardware components.

    摘要翻译： 构造推理图与创建反映网络中依赖关系的图形有关。 在示例实施例中，一种方法包括确定网络的组件之间的依赖关系，并响应于依赖关系构建网络的推理图。 网络的组件包括服务和硬件组件，推理图反映了跨层组件，包括服务和硬件组件。 在另一示例实施例中，系统包括服务依赖性分析器和推理图构造器。 服务依赖性分析器是确定网络组件之间的依赖关系，包括服务和硬件组件在内的组件。 推理图构造函数是响应于依赖关系构建网络的推理图，反映包括服务和硬件组件在内的跨层组件的推理图。