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11. 发明申请

US20080222068A1 Inferring Candidates that are Potentially Responsible for User-Perceptible Network Problems 有权
标题翻译：推测潜在地负责用户感知网络问题的候选人
公开(公告)号：US20080222068A1
公开(公告)日：2008-09-11
申请号：US12039703
申请日：2008-02-28
申请人： Paramvir Bahl , Ranveer Chandra , Srikanth Kandula , David A. Maltz , Ming Zhang , Albert Greenberg
发明人： Paramvir Bahl , Ranveer Chandra , Srikanth Kandula , David A. Maltz , Ming Zhang , Albert Greenberg
IPC分类号： G06N5/04
CPC分类号： G06N5/043
摘要： Candidates that are potentially responsible for user-perceptible network problems may be inferred. In an example embodiment, a system includes an inference engine to produce a list of candidates that are potentially responsible for user-perceptible network problems, with the candidates being network components that may include both services and network elements. A response to a service request may be a non response, an incorrect response, an untimely correct response, or a timely correct response. The user-perceptible network problems may include the untimely correct response as well as the non response and the incorrect response. In another example embodiment, a method includes monitoring a network and producing a list of candidates that are potentially responsible for user-perceptible network problems. The candidates of the list may include both services and network elements of the monitored network.
摘要翻译：可能推断可能对用户可感知的网络问题负责的候选者。在示例实施例中，系统包括推理引擎，以产生潜在地负责用户可感知的网络问题的候选者的列表，候选者是可以包括服务和网络元件的网络组件。对服务请求的响应可以是非响应，不正确的响应，不合时宜的响应或及时的正确响应。用户可感知的网络问题可能包括不合时宜的响应以及非响应和不正确的响应。在另一示例性实施例中，一种方法包括监视网络并产生潜在地负责用户可感知网络问题的候选者列表。该列表的候选者可以包括被监视网络的服务和网络元件。

12. 发明申请

US20080222287A1 Constructing an Inference Graph for a Network 有权
标题翻译：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。

13. 发明授权

US09049140B2 Backbone network with policy driven routing 有权
标题翻译：骨干网络与策略驱动路由
公开(公告)号：US09049140B2
公开(公告)日：2015-06-02
申请号：US12949402
申请日：2010-11-18
申请人： Abhishek Singh , Ming Zhang , Albert G. Greenberg , Parantap Lahiri , David A. Maltz , Srinivas Krishnan
发明人： Abhishek Singh , Ming Zhang , Albert G. Greenberg , Parantap Lahiri , David A. Maltz , Srinivas Krishnan
IPC分类号： H04L12/707 , H04L12/725 , H04L12/801 , H04L29/12
CPC分类号： H04L45/22 , H04L45/302 , H04L47/10 , H04L61/25
摘要： A source device obtains a data packet that includes both a destination address and a payload. The source device selects an exit point address of multiple exit point addresses corresponding to the destination address based on one or more policies. The source device encapsulates the data packet with a header that includes the selected exit point address, and the encapsulated data packet is provided to the backbone network. The encapsulated data packet is routed through the backbone network based on the exit point address, and an edge router of the backbone network identifies an interface of the edge router that corresponds to the exit point address. The header is removed from the encapsulated data packet, and the data packet is added to a buffer of the interface for routing to one or more other devices outside of the backbone network.
摘要翻译：源设备获得包括目的地地址和有效载荷的数据分组。源设备基于一个或多个策略来选择与目的地地址相对应的多个出口点地址的出口点地址。源设备用包含所选出口点地址的报头封装数据包，并将封装的数据包提供给骨干网。封装的数据包根据出口点地址通过骨干网进行路由，骨干网边缘路由器识别出口点地址对应的边缘路由器接口。从封装的数据包中删除标题，并将数据包添加到接口的缓冲区，以便路由到骨干网以外的一个或多个其他设备。

14. 发明授权

US09001663B2 Communication transport optimized for data center environment 有权
标题翻译：针对数据中心环境优化的通信传输
公开(公告)号：US09001663B2
公开(公告)日：2015-04-07
申请号：US12714266
申请日：2010-02-26
申请人： Mohammedreza Alizadeh Attar , Murari Sridharan , Parveen K. Patel , Balaji Prabhakar , David A. Maltz , Jitendra D. Padhye , Albert G. Greenberg
发明人： Mohammedreza Alizadeh Attar , Murari Sridharan , Parveen K. Patel , Balaji Prabhakar , David A. Maltz , Jitendra D. Padhye , Albert G. Greenberg
IPC分类号： G01R31/08 , H04L12/801 , H04L12/825 , H04L12/835
CPC分类号： H04L47/34 , H04L47/10 , H04L47/115 , H04L47/19 , H04L47/263 , H04L47/30
摘要： Methods and apparatus for congestion control in computer networks achieve high burst tolerance, low latency and high throughput with shallow-buffered switches. A method for controlling congestion includes transmitting a set of data packets on a network connection from a first computing device to a second computing device, identifying each data packet in the set of data packets that experienced congestion on the network connection, sending, by the second computing device to the first computing device, a sequence of bits that represents the number of data packets in the set of data packets that were identified as having experienced congestion, and adjusting a rate of transmitting data packets on the network connection based on the sequence of bits sent to the first computing device.
摘要翻译：计算机网络拥塞控制的方法和装置通过浅缓冲交换机实现高突发容忍，低延迟和高吞吐量。一种用于控制拥塞的方法包括在网络连接上从第一计算设备向第二计算设备发送一组数据分组，识别在网络连接上经历拥塞的数据分组集合中的每个数据分组，由第二计算设备到第一计算设备，表示被识别为经历拥塞的数据分组集合中的数据分组的数量的比特序列，以及基于所述网络连接的序列来调整在网络连接上传输数据分组的速率发送到第一计算设备的位。

15. 发明授权

US08996683B2 Data center without structural bottlenecks 有权
标题翻译：数据中心没有结构瓶颈
公开(公告)号：US08996683B2
公开(公告)日：2015-03-31
申请号：US12410697
申请日：2009-03-25
申请人： David A. Maltz , Albert G. Greenberg , Parveen K. Patel , Sudipta Sengupta , Parantap Lahiri
发明人： David A. Maltz , Albert G. Greenberg , Parveen K. Patel , Sudipta Sengupta , Parantap Lahiri
IPC分类号： G06F15/173 , G06F15/16 , H04L29/12 , H04L12/707 , H04L12/803
CPC分类号： H04L29/12056 , H04L29/12028 , H04L45/24 , H04L47/125 , H04L61/103 , H04L61/1505
摘要： A method of networking a plurality of servers together within a data center is disclosed. The method includes the step of addressing a data packet for delivery to a destination server by providing the destination server address as a flat address. The method further includes the steps of obtaining routing information required to route the packet to the destination server. This routing information may be obtained from a directory service servicing the plurality of servers. Once the routing information is obtained, the data packet may be routed to the destination server according to the flat address of the destination server and routing information obtained from the directory service.
摘要翻译：公开了一种在数据中心内组合多个服务器的方法。该方法包括通过提供目的地服务器地址作为平坦地址来寻址用于传送到目的地服务器的数据分组的步骤。该方法还包括步骤：获得将分组路由到目的地服务器所需的路由信息。可以从服务于多个服务器的目录服务获得该路由信息。一旦获得了路由信息，数据包可以根据目的地服务器的平面地址和从目录服务获得的路由信息被路由到目的地服务器。

16. 发明申请

US20120127995A1 BACKBONE NETWORK WITH POLICY DRIVEN ROUTING 有权
标题翻译：带有政策驱动路由的背板网络
公开(公告)号：US20120127995A1
公开(公告)日：2012-05-24
申请号：US12949402
申请日：2010-11-18
申请人： Abhishek Singh , Ming Zhang , Albert G. Greenberg , Parantap Lahiri , David A. Maltz , Srinivas Krishnan
发明人： Abhishek Singh , Ming Zhang , Albert G. Greenberg , Parantap Lahiri , David A. Maltz , Srinivas Krishnan
IPC分类号： H04L12/56
CPC分类号： H04L45/22 , H04L45/302 , H04L47/10 , H04L61/25
摘要： A source device obtains a data packet that includes both a destination address and a payload. The source device selects an exit point address of multiple exit point addresses corresponding to the destination address based on one or more policies. The source device encapsulates the data packet with a header that includes the selected exit point address, and the encapsulated data packet is provided to the backbone network. The encapsulated data packet is routed through the backbone network based on the exit point address, and an edge router of the backbone network identifies an interface of the edge router that corresponds to the exit point address. The header is removed from the encapsulated data packet, and the data packet is added to a buffer of the interface for routing to one or more other devices outside of the backbone network.
摘要翻译：源设备获得包括目的地地址和有效载荷的数据分组。源设备基于一个或多个策略来选择与目的地地址相对应的多个出口点地址的出口点地址。源设备用包含所选出口点地址的报头封装数据包，并将封装的数据包提供给骨干网。封装的数据包根据出口点地址通过骨干网进行路由，骨干网边缘路由器识别出口点地址对应的边缘路由器接口。从封装的数据包中删除标题，并将数据包添加到接口的缓冲区，以便路由到骨干网以外的一个或多个其他设备。

17. 发明授权

US08160063B2 Data center interconnect and traffic engineering 有权
标题翻译：数据中心互联和流量工程
公开(公告)号：US08160063B2
公开(公告)日：2012-04-17
申请号：US12410745
申请日：2009-03-25
申请人： David A. Maltz , Albert G. Greenberg , Parveen K. Patel , Sudipta Sengupta , Parantap Lahiri
发明人： David A. Maltz , Albert G. Greenberg , Parveen K. Patel , Sudipta Sengupta , Parantap Lahiri
IPC分类号： H04L12/56 , H04J1/16
CPC分类号： H04L45/24 , H04L45/02 , H04L45/28
摘要： A system for commoditizing data center networking is disclosed. The system includes an interconnection topology for a data center having a plurality of servers and a plurality of nodes of a network in the data center through which data packets may be routed. The system uses a routing scheme where the routing is oblivious to the traffic pattern between nodes in the network, and wherein the interconnection topology contains a plurality of paths between one or more servers. The multipath routing may be Valiant load balancing. It disaggregates the function of load balancing into a group of regular servers, with the result that load balancing server hardware can be distributed amongst racks in the data center leading to greater agility and less fragmentation. The architecture creates a huge, flexible switching domain, supporting any server/any service, full mesh agility, and unregimented server capacity at low cost.
摘要翻译：公开了一种用于商业化数据中心网络的系统。该系统包括用于具有数据中心的多个服务器和多个节点的数据中心的互连拓扑，通过该数据中心可以路由数据分组。系统使用路由方案，其中路由忽略网络中的节点之间的流量模式，并且其中互连拓扑在一个或多个服务器之间包含多个路径。多路径路由可能是Valiant负载平衡。它将负载平衡的功能分解为一组常规服务器，从而可以在数据中心的机架之间分配负载平衡服务器硬件，从而实现更高的灵活性和更少的分段。该架构创建了一个巨大的，灵活的交换域，以低成本支持任何服务器/任何服务，全面的网格敏捷性和未注册的服务器容量。

18. 发明申请

US20110211449A1 COMMUNICATION TRANSPORT OPTIMIZED FOR DATA CENTER ENVIRONMENT 有权
标题翻译：数据中心环境优化的通信运输
公开(公告)号：US20110211449A1
公开(公告)日：2011-09-01
申请号：US12714266
申请日：2010-02-26
申请人： Mohammedreza Alizadeh Attar , Murari Sridharan , Parveen K. Patel , Balaji Prabhakar , David A. Maltz , Jitendra D. Padhye , Albert G. Greenberg
发明人： Mohammedreza Alizadeh Attar , Murari Sridharan , Parveen K. Patel , Balaji Prabhakar , David A. Maltz , Jitendra D. Padhye , Albert G. Greenberg
IPC分类号： H04L12/56
CPC分类号： H04L47/34 , H04L47/10 , H04L47/115 , H04L47/19 , H04L47/263 , H04L47/30
摘要： Methods and apparatus for congestion control in computer networks achieve high burst tolerance, low latency and high throughput with shallow-buffered switches. A method for controlling congestion includes transmitting a set of data packets on a network connection from a first computing device to a second computing device, identifying each data packet in the set of data packets that experienced congestion on the network connection, sending, by the second computing device to the first computing device, a sequence of bits that represents the number of data packets in the set of data packets that were identified as having experienced congestion, and adjusting a rate of transmitting data packets on the network connection based on the sequence of bits sent to the first computing device.
摘要翻译：计算机网络拥塞控制的方法和装置通过浅缓冲交换机实现高突发容忍，低延迟和高吞吐量。一种用于控制拥塞的方法包括在网络连接上从第一计算设备向第二计算设备发送一组数据分组，识别在网络连接上经历拥塞的数据分组集合中的每个数据分组，由第二计算设备到第一计算设备，表示被识别为经历拥塞的数据分组集合中的数据分组的数量的比特序列，以及基于所述网络连接的序列来调整在网络连接上传输数据分组的速率发送到第一计算设备的位。

19. 发明申请

US20090307334A1 DATA CENTER WITHOUT STRUCTURAL BOTTLENECKS 有权
标题翻译：没有结构性胆固醇的数据中心
公开(公告)号：US20090307334A1
公开(公告)日：2009-12-10
申请号：US12410697
申请日：2009-03-25
申请人： David A. Maltz , Albert G. Greenberg , Parveen K. Patel , Sudipta Sengupta , Parantap Lahiri
发明人： David A. Maltz , Albert G. Greenberg , Parveen K. Patel , Sudipta Sengupta , Parantap Lahiri
IPC分类号： G06F15/16
CPC分类号： H04L29/12056 , H04L29/12028 , H04L45/24 , H04L47/125 , H04L61/103 , H04L61/1505
摘要： A method of networking a plurality of servers together within a data center is disclosed. The method includes the step of addressing a data packet for delivery to a destination server by providing the destination server address as a flat address. The method further includes the steps of obtaining routing information required to route the packet to the destination server. This routing information may be obtained from a directory service servicing the plurality of servers. Once the routing information is obtained, the data packet may be routed to the destination server according to the flat address of the destination server and routing information obtained from the directory service.
摘要翻译：公开了一种在数据中心内组合多个服务器的方法。该方法包括通过提供目的地服务器地址作为平坦地址来寻址用于传送到目的地服务器的数据分组的步骤。该方法还包括步骤：获得将分组路由到目的地服务器所需的路由信息。可以从服务于多个服务器的目录服务获得该路由信息。一旦获得了路由信息，数据包可以根据目的地服务器的平面地址和从目录服务获得的路由信息被路由到目的地服务器。

20. 发明申请

US20090303880A1 DATA CENTER INTERCONNECT AND TRAFFIC ENGINEERING 有权
标题翻译：数据中心互连和交通工程
公开(公告)号：US20090303880A1
公开(公告)日：2009-12-10
申请号：US12410745
申请日：2009-03-25
申请人： David A. Maltz , Albert G. Greenberg , Parveen K. Patel , Sudipta Sengupta , Parantap Lahiri
发明人： David A. Maltz , Albert G. Greenberg , Parveen K. Patel , Sudipta Sengupta , Parantap Lahiri
IPC分类号： H04L12/56
CPC分类号： H04L45/24 , H04L45/02 , H04L45/28
摘要： A system for commoditizing data center networking is disclosed. The system includes an interconnection topology for a data center having a plurality of servers and a plurality of nodes of a network in the data center through which data packets may be routed. The system uses a routing scheme where the routing is oblivious to the traffic pattern between nodes in the network, and wherein the interconnection topology contains a plurality of paths between one or more servers. The multipath routing may be Valiant load balancing. It disaggregates the function of load balancing into a group of regular servers, with the result that load balancing server hardware can be distributed amongst racks in the data center leading to greater agility and less fragmentation. The architecture creates a huge, flexible switching domain, supporting any server/any service, full mesh agility, and unregimented server capacity at low cost.
摘要翻译：公开了一种用于商业化数据中心网络的系统。该系统包括用于具有数据中心的多个服务器和多个节点的数据中心的互连拓扑，通过该数据中心可以路由数据分组。系统使用路由方案，其中路由忽略网络中的节点之间的流量模式，并且其中互连拓扑在一个或多个服务器之间包含多个路径。多路径路由可能是Valiant负载平衡。它将负载平衡的功能分解为一组常规服务器，结果是可以在数据中心的机架中分配负载平衡服务器硬件，从而实现更高的灵活性和更少的分段。该架构创建了一个巨大的，灵活的交换领域，以低成本支持任何服务器/任何服务，全面的网格敏捷性和未注册的服务器容量。

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