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1. 发明申请

US20130159487A1 Migration of Virtual IP Addresses in a Failover Cluster 审中-公开
标题翻译：虚拟IP地址在故障转移群集中的迁移
公开(公告)号：US20130159487A1
公开(公告)日：2013-06-20
申请号：US13415844
申请日：2012-03-09
申请人： Parveen Kumar Patel , David A. Dion , Corey Sanders , Santosh Balasubramanian , Deepak Bansal , Vladimir Petter , Daniel Brown Benediktson
发明人： Parveen Kumar Patel , David A. Dion , Corey Sanders , Santosh Balasubramanian , Deepak Bansal , Vladimir Petter , Daniel Brown Benediktson
IPC分类号： G06F15/173
CPC分类号： H04L67/1031 , G06F2209/503 , H04L61/103 , H04L61/2007 , H04L67/1034
摘要： The movement of a Virtual IP (VIP) address from cluster node to cluster node is coordinated via a load balancer. All or a subset of the nodes in a load balancer cluster may be configured as possible hosts for the VIP. The load balancer directs VIP traffic to the Dedicated IP (DIP) address for the cluster node that responds affirmatively to periodic health probe messages. In this way, a VIP failover is executed when a first node stops responding to probe messages, and a second node starts to respond to the periodic health probe messages. In response to an affirmative probe response from a new node, the load balancer immediately directs the VIP traffic to the new node's DIP. The probe messages may be configured to identify which nodes are currently responding affirmatively to probes to assist the nodes in determining when to execute a failover.
摘要翻译：从集群节点到集群节点的虚拟IP（VIP）地址的移动通过负载平衡器进行协调。负载平衡器集群中的所有或一部分节点可能被配置为VIP的可能主机。负载平衡器将VIP流量引导到针对周期性健康探测消息做出肯定响应的群集节点的专用IP（DIP）地址。以这种方式，当第一节点停止响应探测消息时，执行VIP故障切换，并且第二节点开始响应周期性健康探测消息。响应来自新节点的肯定的探测响应，负载平衡器立即将VIP流量引导到新节点的DIP。探测消息可以被配置为识别哪些节点当前正确地响应于探测器来帮助节点确定何时执行故障转移。

2. 发明申请

US20140082048A1 NETWORK SERVICES PROVIDED IN CLOUD COMPUTING ENVIRONMENT 审中-公开
标题翻译：网络服务提供云计算环境
公开(公告)号：US20140082048A1
公开(公告)日：2014-03-20
申请号：US13620267
申请日：2012-09-14
申请人： Yousef A. Khalidi , Deepak Bansal , Changhoon Kim , Srikanth Kandula , David A. Maltz , Parveen Kumar Patel , Albert Gordon Greenberg
发明人： Yousef A. Khalidi , Deepak Bansal , Changhoon Kim , Srikanth Kandula , David A. Maltz , Parveen Kumar Patel , Albert Gordon Greenberg
IPC分类号： G06F15/16
CPC分类号： H04L67/1097 , H04L69/14
摘要： A cloud computing environment providing a network service for a client computing entity. The network service is not an application level service, but rather a service that operates at or below the network layer in the protocol stack. For instance, the network service might be a network endpoint service such as a network address service (such as DNS) or a dynamic network service (such as DHCP), or a network traffic service such as a firewall service or a secure tunneling service (such as VPN). The service might also provide a pipeline of network services for network level traffic to and from the client computing entity. The cloud environment uses policy to determine which of a plurality of communication channels to use when exchanging cloud service data for the network service.
摘要翻译：为客户端计算实体提供网络服务的云计算环境。网络服务不是应用级服务，而是在协议栈中的网络层之下或之下运行的服务。例如，网络服务可以是诸如网络地址服务（例如DNS）或动态网络服务（例如DHCP）的网络端点服务，或诸如防火墙服务或安全隧道服务的网络流量服务（如VPN）。该服务还可以为客户计算实体的网络流量提供网络服务流水线。云环境使用策略来确定在为网络服务交换云服务数据时使用多个通信信道中的哪一个。

3. 发明申请

US20140019602A1 LOAD BALANCING FOR SINGLE-ADDRESS TENANTS 有权
标题翻译：单一地址的负载平衡
公开(公告)号：US20140019602A1
公开(公告)日：2014-01-16
申请号：US13547805
申请日：2012-07-12
申请人： Ashwin Murthy , Parveen Kumar Patel , Deepak Bansal , Marios Zikos
发明人： Ashwin Murthy , Parveen Kumar Patel , Deepak Bansal , Marios Zikos
IPC分类号： G06F15/173
CPC分类号： G06F9/5083 , G06F15/173 , H04L45/00 , H04L45/38 , H04L45/72 , H04L67/10 , H04L67/1027 , H04L67/34
摘要： Load balancing for single-address tenants. When a load balancer detects that a virtual address is associated with a single destination address, the load balancer sets a flag to distinguish the virtual address from virtual addresses that are associated with a plurality of destination addresses. The load balancer instructs the router to bypass the load balancer for network packets that are addressed to the virtual address, and refrains from storing subsequent flow state for the virtual address. When the virtual address is to be scaled up with an additional destination address, the load balancer sets a flag to distinguish the virtual address from virtual addresses that are associated with a single destination addresses. The load balancer instructs the router to route network packets that are addressed to the virtual address through the load balancer, instead of bypassing the load balancer, and starts storing flow state for the virtual address.
摘要翻译：单地址租户的负载均衡。当负载平衡器检测到虚拟地址与单个目的地地址相关联时，负载平衡器设置标志以区分虚拟地址与与多个目的地地址相关联的虚拟地址。负载平衡器指示路由器绕过负载平衡器，寻找到虚拟地址的网络数据包，并且不保存虚拟地址的后续流状态。当虚拟地址要用额外的目标地址放大时，负载均衡器设置一个标志，以区分虚拟地址与与单个目标地址相关联的虚拟地址。负载平衡器指示路由器通过负载均衡器路由寻址到虚拟地址的网络数据包，而不是绕过负载平衡器，并开始存储虚拟地址的流状态。

4. 发明授权

US08805990B2 Load balancing for single-address tenants 有权
标题翻译：单地址租户的负载均衡
公开(公告)号：US08805990B2
公开(公告)日：2014-08-12
申请号：US13547805
申请日：2012-07-12
申请人： Ashwin Murthy , Parveen Kumar Patel , Deepak Bansal , Marios Zikos
发明人： Ashwin Murthy , Parveen Kumar Patel , Deepak Bansal , Marios Zikos
IPC分类号： G06F15/173
CPC分类号： G06F9/5083 , G06F15/173 , H04L45/00 , H04L45/38 , H04L45/72 , H04L67/10 , H04L67/1027 , H04L67/34
摘要： When a load balancer detects that a virtual address is associated with a single destination address, the load balancer sets a flag to distinguish the virtual address from virtual addresses that are associated with a plurality of destination addresses. The load balancer instructs the router to bypass the load balancer for network packets that are addressed to the virtual address, and refrains from storing subsequent flow state for the virtual address. When the virtual address is to be scaled up with an additional destination address, the load balancer sets a flag to distinguish the virtual address from virtual addresses that are associated with a single destination addresses. The load balancer instructs the router to route network packets that are addressed to the virtual address through the load balancer, instead of bypassing the load balancer, and starts storing flow state for the virtual address.
摘要翻译：当负载平衡器检测到虚拟地址与单个目的地地址相关联时，负载平衡器设置标志以区分虚拟地址与与多个目的地地址相关联的虚拟地址。负载平衡器指示路由器绕过负载平衡器，寻找到虚拟地址的网络数据包，并且不保存虚拟地址的后续流状态。当虚拟地址要用额外的目标地址放大时，负载均衡器设置一个标志，以区分虚拟地址与与单个目标地址相关联的虚拟地址。负载平衡器指示路由器通过负载均衡器路由寻址到虚拟地址的网络数据包，而不是绕过负载平衡器，并开始存储虚拟地址的流状态。

5. 发明申请

US20100299349A1 Reducing Latency in Returning Online Search Results 审中-公开
标题翻译：减少在线搜索结果的延迟
公开(公告)号：US20100299349A1
公开(公告)日：2010-11-25
申请号：US12469160
申请日：2009-05-20
申请人： Albert Gordon Greenberg , Lihua Yuan , Randall Friend Kern , Jitendra Dattatraya Padhye , David A. Maltz , Parveen Kumar Patel , Murari Sridharan
发明人： Albert Gordon Greenberg , Lihua Yuan , Randall Friend Kern , Jitendra Dattatraya Padhye , David A. Maltz , Parveen Kumar Patel , Murari Sridharan
IPC分类号： G06F17/30 , H04L12/56
CPC分类号： G06F16/9574
摘要： An embodiment of the invention is directed to reducing search-response latency. The closest intermediate server can be located between a client computing device and a search engine. A search query is sent to the intermediate server in a first packet of a transport protocol handshake. A plurality of packets are received from the intermediate server. The plurality of packets are used to open a window associated with a transport protocol. A response related to the search query is received by the client.
摘要翻译：本发明的实施例旨在减少搜索响应等待时间。最接近的中间服务器可以位于客户端计算设备和搜索引擎之间。搜索查询在传输协议握手的第一分组中被发送到中间服务器。从中间服务器接收多个分组。多个分组被用于打开与传输协议相关联的窗口。客户端收到与搜索查询相关的响应。

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