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1. 发明申请

WO2016054272A1 INLINE SERVICE SWITCH 审中-公开
标题翻译：在线服务开关
公开(公告)号：WO2016054272A1
公开(公告)日：2016-04-07
申请号：PCT/US2015/053332
申请日：2015-09-30
申请人： NICIRA, INC.
发明人： JAIN, Jayant , SENGUPTA, Anirban , PARTHASARATHY, Mohan , SEQUEIRA, Allwyn , MASKALIK, Serge , LUND, Rick , KOGANTY, Raju , HONG, Xinhua
IPC分类号： H04L29/06
CPC分类号： H04L67/14 , H04L41/0803 , H04L47/125 , H04L47/825 , H04L51/18 , H04L67/10 , H04L67/1002 , H04L67/16 , H04L67/327 , H04L69/16 , H04L69/22 , H04W76/12
摘要： Some embodiments provide novel inline switches that distribute data messages from source compute nodes (SCNs) to different groups of destination service compute nodes (DSCNs). In some embodiments, the inline switches are deployed in the source compute nodes datapaths (e.g., egress datapath). The inline switches in some embodiments are service switches that (1) receive data messages from the SCNs, (2) identify service nodes in a service-node cluster for processing the data messages based on service policies that the switches implement, and (3) use tunnels to send the received data messages to their identified service nodes. Alternatively, or conjunctively, the inline service switches of some embodiments (1) identify service-nodes cluster for processing the data messages based on service policies that the switches implement, and (2) use tunnels to send the received data messages to the identified service-node clusters. The service-node clusters can perform the same service or can perform different services in some embodiments. This tunnel-based approach for distributing data messages to service nodes/clusters is advantageous for seamlessly implementing in a datacenter a cloud-based XaaS model (where XaaS stands for X as a service, and X stands for anything), in which any number of services are provided by service providers in the cloud.
摘要翻译：一些实施例提供了将数据消息从源计算节点（SCN）分发到目的地服务计算节点（DSCN）的不同组的新颖的内联交换机。在一些实施例中，内联交换机部署在源计算节点数据路径（例如，出口数据通路）中。一些实施例中的内联交换机是（1）从SCN接收数据消息的服务交换机，（2）基于交换机实现的服务策略来识别服务节点集群中的服务节点来处理数据消息，以及（3）使用隧道将接收的数据消息发送到其标识的服务节点。或者或联合地，一些实施例（1）的内联服务交换机基于交换机实现的服务策略来识别用于处理数据消息的服务节点簇，以及（2）使用隧道将接收的数据消息发送到所识别的服务节点集群。在一些实施例中，服务节点群集可以执行相同的服务或者可以执行不同的服务。这种将数据消息分发到服务节点/集群的基于隧道的方法对于在数据中心中无缝实现基于云的XaaS模型（其中XaaS代表X作为服务，X代表任何东西）是有利的，其中任何数量的服务由云中的服务提供商提供。

2. 发明申请

WO2016053373A1 LOAD BALANCING 审中-公开
标题翻译：负载均衡
公开(公告)号：WO2016053373A1
公开(公告)日：2016-04-07
申请号：PCT/US2014/072897
申请日：2014-12-30
申请人： NICIRA, INC.
发明人： JAIN, Jayant , SENGUPTA, Anirban , PARTHASARATHY, Mohan , SEQUEIRA, Allwyn , MASKALIK, Serge , LUND, Rick
IPC分类号： G06F9/44 , G06F9/46
CPC分类号： H04L47/125 , H04L45/24 , H04L45/44 , H04L47/70 , H04L61/2069 , H04L61/2521 , H04L61/6022 , H04L67/1002 , H04L67/1017 , H04L67/1025 , H04L67/1029
摘要： Load-balancing data messages are sent by a source node to one or more different groups of destination compute nodes (DCNs). A load -balancer in the source compute node's egress datapath receives each data message sent from the source compute node and determines whether the data message is addressed to one of the DCN groups for which the load-balancer spreads the data traffic. When the received data message is not addressed to one of the load-balanced DCN groups, the load-balancer forwards the received data message to its addressed destination. When the received data message is addressed to one of the load-balancer's DCN groups, the load-balancer identifies a DCN in the addressed DCN group that should receive the data message, and directs the data message t the identified DCN by changing the destination address in the data message from the address of the identified DCN group to the address of the identified DCN.
摘要翻译：负载平衡数据消息由源节点发送到一个或多个不同的目标计算节点（DCN）组。源计算节点的出口数据路径中的负载均衡器接收从源计算节点发送的每个数据消息，并确定数据消息是否寻址到负载均衡器扩展数据流量的DCN组之一。当接收到的数据消息未寻址到负载平衡DCN组之一时，负载平衡器将接收的数据消息转发到其寻址的目的地。当接收到的数据消息被寻址到负载均衡器的DCN组之一时，负载平衡器识别应该接收数据消息的所寻址的DCN组中的DCN，并且通过改变目的地址来指示数据消息t所标识的DCN 在从所识别的DCN组的地址到所识别的DCN的地址的数据消息中。

3. 发明申请

WO2015138043A2 ROUTE ADVERTISEMENT BY MANAGED GATEWAYS 审中-公开
标题翻译：管理网关的路由广告
公开(公告)号：WO2015138043A2
公开(公告)日：2015-09-17
申请号：PCT/US2014/072875
申请日：2014-12-30
申请人： NICIRA, INC.
发明人： TUBALTSEV, Ariel , ZHANG, Ronghua , BASLER, Benjamin, C. , MASKALIK, Serge , RAMANATHAN, Rajiv , LEROY, David, J. , NEGINHAL, Srinivas , FAN, Kai-wei , ATTEKA, Ansis
IPC分类号： H04L12/24
CPC分类号： H04L41/08 , H04L41/044 , H04L45/04
摘要： Some embodiments provide a network system. The network system includes a first set of host machines for hosting virtual machines that connect to each other through a logical network. The first set of host machines includes managed forwarding elements for forwarding data between the host machines. The network system includes a second set of host machines for hosting virtualized containers that operate as gateways for forwarding data between the virtual machines and an external network. At least one of the virtualized containers peers with at least one physical router in the external network in order to advertise addresses of the virtual machines to the physical router.
摘要翻译：一些实施例提供网络系统。网络系统包括用于托管通过逻辑网络彼此连接的虚拟机的第一组主机。第一组主机包括用于在主机之间转发数据的托管转发元件。网络系统包括用于托管虚拟化容器的第二组主机，其作为用于在虚拟机和外部网络之间转发数据的网关。至少一个虚拟化容器与外部网络中的至少一个物理路由器对等，以便将虚拟机的地址通告给物理路由器。

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