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21. 发明申请

US20090034417A1 Systems and Methods for Efficiently Load Balancing Based on Least Connections 有权
标题翻译：基于最小连接的有效负载平衡的系统和方法
公开(公告)号：US20090034417A1
公开(公告)日：2009-02-05
申请号：US11833777
申请日：2007-08-03
申请人： Ravi Kondamuru , Henk Bots , Josephine Suganthi , Anil Shetty
发明人： Ravi Kondamuru , Henk Bots , Josephine Suganthi , Anil Shetty
IPC分类号： G08C15/00
CPC分类号： H04L67/1008 , H04L67/1002 , H04L67/1012 , H04L67/1017
摘要： Systems and methods for load balancing services based on fewest connections by decreasing granularity of service selection as a number of fewest connections serviced by the services increases may include establishing, by an appliance, a set of identifiers corresponding to a number of connections serviced by a service, the set comprising a first plurality of identifiers each identifying a predetermined number of connections and a second plurality of identifiers each identifying a predetermined range of numbers of connections. The appliance assigns, to each service servicing connections, an identifier corresponding to the number of connections serviced by the service, at least one of the identifiers selected from the second plurality of identifiers. The appliance receives a request for a service, and forwards the request to a service assigned to the identifier corresponding to a fewest number of connections with at least one service assigned to the identifier.
摘要翻译：基于最少连接的负载平衡服务的系统和方法通过将服务选择的粒度降低为由服务增加服务的最少的连接数量可以包括由设备建立与服务服务的多个连接数相对应的一组标识符该集合包括每个识别预定数量的连接的第一多个标识符和每个识别连接数量的预定范围的第二多个标识符。设备向每个服务服务连接分配与由服务服务的连接数量相对应的标识符，从第二多个标识符中选择的至少一个标识符。设备接收对服务的请求，并且将该请求转发到分配给与分配给标识符的至少一个服务的与最少数量的连接相对应的标识符的服务。

22. 发明申请

US20080049616A1 SYSTEMS AND METHODS FOR PROVIDING DYNAMIC CONNECTION SPILLOVER AMONG VIRTUAL SERVERS 有权
标题翻译：在虚拟服务器上提供动态连接SPILLOVER的系统和方法
公开(公告)号：US20080049616A1
公开(公告)日：2008-02-28
申请号：US11466238
申请日：2006-08-22
申请人： Sandeep Kamath , Josephine Suganthi , Sergey Verzunov , Anil Shetty
发明人： Sandeep Kamath , Josephine Suganthi , Sergey Verzunov , Anil Shetty
IPC分类号： H04J1/16
CPC分类号： H04L43/16 , H04L67/1002 , H04L67/1008 , H04L67/101 , H04L67/1012 , H04L67/1029 , H04L67/1031
摘要： A method for an appliance to switch handling of transport layer connection requests from a first virtual server of the appliance managing a first plurality of services to a second virtual server of the appliance managing a second plurality of services upon exceeding, by the first virtual server, a maximum connection threshold determined dynamically from a status of the first plurality of services. The method includes the steps of: establishing, on an appliance, a first virtual server which directs transport layer connection requests from a plurality of clients to a first plurality of services; establishing, via the appliance, a predetermined threshold identifying a maximum active transport layer connection capacity for the first virtual server, the predetermined threshold comprising a sum of a predetermined connection capacity for each of the plurality of services; monitoring, by the appliance, a status for each of the plurality of services; determining, by the appliance, the status of a service of the plurality of services indicates the service is not available; and adjusting, by the appliance in response to the determination, the predetermined threshold to comprise the sum of the predetermined connection capacity for each of the plurality of services having a status of available. Corresponding systems are also described.
摘要翻译：一种用于在由第一虚拟服务器超过第一虚拟服务器的情况下，设备将来自管理第一多个服务的设备的第一虚拟服务器的处理切换到设备的第二虚拟服务器的管理方法，从所述第一多个服务的状态动态地确定的最大连接阈值。该方法包括以下步骤：在设备上建立将来自多个客户端的传输层连接请求引导到第一多个服务的第一虚拟服务器; 通过所述设备建立标识所述第一虚拟服务器的最大活动传输层连接容量的预定阈值，所述预定阈值包括所述多个服务中的每一个的预定连接容量之和; 由所述设备监视所述多个服务中的每一个的状态; 由所述设备确定所述多个服务的服务的状态指示所述服务不可用; 以及响应于所述确定，由所述设备调整所述预定阈值以包括具有可用状态的所述多个服务中的每一个的预定连接容量之和。还描述了相应的系统。

23. 发明申请

US20080043622A1 SYSTEMS AND METHODS FOR DYNAMIC DECENTRALIZED LOAD BALANCING ACROSS MULTIPLE SITES 有权
标题翻译：用于多个站点的动态分散负载平衡的系统和方法
公开(公告)号：US20080043622A1
公开(公告)日：2008-02-21
申请号：US11466019
申请日：2006-08-21
申请人： Sandeep Kamath , Murali Raja , Josephine Suganthi , Anil Shetty , Sergey Verzunov
发明人： Sandeep Kamath , Murali Raja , Josephine Suganthi , Anil Shetty , Sergey Verzunov
IPC分类号： H04J1/16 , G06F15/173
CPC分类号： H04L43/08 , H04L43/0805 , H04L47/10 , H04L67/1002 , H04L67/1008 , H04L67/1012 , H04L67/1029
摘要： A method for enabling decentralized dynamic load balancing among a plurality of appliances providing access to a plurality of sites, each site comprising a local area network and at least one server includes: determining, by a first appliance, a first number of services currently available for access via a local area network connected to the first appliance; receiving, by the first appliance from a second appliance, a communication indicating a second number of services currently available for access via a local area network connected to the second appliance; receiving, by the first appliance, a plurality of requests to connect to a service; determining, by the first appliance, a weight to be assigned to the second appliance, wherein the determination is responsive to the second number; and forwarding, by the first appliance to the second appliance, a subset of the plurality of requests, wherein the number of requests comprising the subset is determined in response to the determined weight. Corresponding systems are also described.
摘要翻译：一种用于在提供对多个站点的访问的多个设备之间实现分散式动态负载平衡的方法，每个站点包括局域网和至少一个服务器包括：由第一设备确定当前可用于通过连接到第一设备的局域网访问; 由第一设备从第二设备接收指示当前可用于经由连接到第二设备的局域网访问的第二数量的服务的通信; 由所述第一设备接收多个连接到服务的请求; 由所述第一设备确定要分配给所述第二设备的重量，其中所述确定响应于所述第二数量; 以及由所述第一设备向所述第二设备转发所述多个请求的子集，其中响应于所确定的权重来确定包括所述子集的请求的数量。还描述了相应的系统。

24. 发明申请

US20060248581A1 Systems and methods for providing client-side dynamic redirection to bypass an intermediary 有权
标题翻译：提供客户端动态重定向以绕过中介的系统和方法
公开(公告)号：US20060248581A1
公开(公告)日：2006-11-02
申请号：US11323352
申请日：2005-12-30
申请人： Prabakar Sundarrajan , Junxiao He , Josephine Suganthi , Sergey Verzunov , Charu Venkatraman , Anil Shetty
发明人： Prabakar Sundarrajan , Junxiao He , Josephine Suganthi , Sergey Verzunov , Charu Venkatraman , Anil Shetty
IPC分类号： G06F15/16
CPC分类号： H04L67/2861 , H04L63/0428 , H04L67/2814 , H04L67/2819 , H04L67/2842 , H04L67/34
摘要： The present invention is directed towards systems and methods for dynamically redirecting on a client communications of the client with a server to bypass an intermediary that is determined to be unavailable for such communications. An acceleration program on the client establishes a transport layer connection between the client and server, and intercepts communications of the client to the server. The transport layer connection may be established via an intermediary, such as a gateway, proxy or appliance. If the client-side acceleration program determines the intermediary is not available for communicating by the client to the server, the acceleration program automatically establishes a second transport layer connection to the server in order to bypass the intermediary. The acceleration program then transmits the intercepted communications of the client via the second transport layer connection to the server. The acceleration program may automatically redirect intercepted communications of the client to the server transparently to any user or application of the client.
摘要翻译：本发明涉及用于在客户端与服务器的客户端通信上动态地重定向以绕过被确定为对于这种通信不可用的中介的系统和方法。客户机上的一个加速程序建立客户端和服务器之间的传输层连接，并拦截客户端与服务器的通信。可以经由诸如网关，代理或设备的中介来建立传输层连接。如果客户端加速程序确定中介不可用于客户端与服务器的通信，则加速程序自动建立到服务器的第二传输层连接，以绕过中介。加速程序然后经由第二传输层连接将客户端的截取的通信发送到服务器。加速程序可以将客户端的拦截通信自动重定向到客户机的任何用户或应用程序。

25. 发明授权

US08621105B2 Systems and methods for routing VPN traffic around network distribution 有权
标题翻译：围绕网络分布路由VPN流量的系统和方法
公开(公告)号：US08621105B2
公开(公告)日：2013-12-31
申请号：US13093703
申请日：2011-04-25
申请人： Josephine Suganthi , Junxiao He , Sergey Verzunov , Anil Shetty , Charu Venkatraman
发明人： Josephine Suganthi , Junxiao He , Sergey Verzunov , Anil Shetty , Charu Venkatraman
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： H04L63/0272
摘要： Methods for using a client agent to route client requests among a plurality of appliances using transport layer information include the steps of: establishing, by a client agent executing on a client, a first transport layer connection with a first appliance of a plurality of appliances, the first appliance providing access to one or more servers; establishing, by a client agent executing on the client, a second transport layer connection with a second appliance of a plurality of appliances, the second appliance providing access to one or more servers; intercepting, by the client agent, a packet transmitted by the client; selecting, by the client agent, one of the connections to transmit the intercepted packet based on a characteristic of at least one of: the transport layer connections, the plurality of appliances, or the servers; and transmitting the intercepted packet via the selected connection.
摘要翻译：使用客户端代理使用传输层信息在多个设备之间路由客户端请求的方法包括以下步骤：由在客户端上执行的客户端代理建立与多个设备的第一设备的第一传输层连接，第一个设备提供对一个或多个服务器的访问; 由在客户端上执行的客户端代理建立与多个设备的第二设备的第二传输层连接，所述第二设备提供对一个或多个服务器的访问; 由客户端代理拦截客户端发送的数据包; 基于以下至少一个的特征，由所述客户端代理选择所述连接之一来发送所截取的分组：传输层连接，所述多个设备或所述服务器; 并通过所选择的连接发送截取的分组。

26. 发明申请

US20120072588A1 SYSTEMS AND METHODS FOR LOAD BALANCING VIA A PLURALITY OF VIRTUAL SERVERS UPON FAILOVER USING METRICS FROM A BACKUP VIRTUAL SERVER 有权
标题翻译：通过使用来自备用虚拟服务器的度量的故障发生的虚拟服务器的大量虚拟服务器的负载平衡的系统和方法
公开(公告)号：US20120072588A1
公开(公告)日：2012-03-22
申请号：US13302880
申请日：2011-11-22
申请人： Sandeep Kamath , Josephine Suganthi , Sergey Verzunov , Murali Raja , Anil Shetty
发明人： Sandeep Kamath , Josephine Suganthi , Sergey Verzunov , Murali Raja , Anil Shetty
IPC分类号： G06F15/173
CPC分类号： G06F9/505 , H04L67/1002 , H04L67/1008 , H04L67/101 , H04L67/1012 , H04L67/1029 , H04L67/1034
摘要： The present invention provides methods and systems for performing load balancing via a plurality of virtual servers upon a failover using metrics from a backup virtual server. The methods and systems described herein provide systems and methods for an appliance detecting that a first virtual server of a plurality of virtual servers having one or more backup virtual servers load balanced by an appliance is not available, identifying at least a first backup virtual server of a one or more backup virtual servers of the first virtual server is available, maintaining a status of the first virtual server as available in response to the identification, obtaining one or more metrics from the first backup virtual server of a one or more backup virtual servers, and determining the load across the plurality of virtual servers using the metrics obtained from the first backup virtual server associated with the first virtual server.
摘要翻译：本发明提供了使用来自备份虚拟服务器的度量的故障转移时通过多个虚拟服务器执行负载平衡的方法和系统。本文所述的方法和系统提供用于设备的系统和方法，该系统和方法检测具有由设备负载平衡的一个或多个备份虚拟服务器的多个虚拟服务器的第一虚拟服务器不可用，至少识别至少第一备份虚拟服务器第一虚拟服务器的一个或多个备份虚拟服务器可用，响应于该标识将第一虚拟服务器的状态维持为可用，从一个或多个备份虚拟服务器的第一备份虚拟服务器获取一个或多个度量以及使用从与所述第一虚拟服务器相关联的所述第一备份虚拟服务器获得的度量来确定所述多个虚拟服务器之间的负载。

27. 发明授权

US08077622B2 Systems and methods for efficiently load balancing based on least connections 有权
标题翻译：基于最小连接有效负载平衡的系统和方法
公开(公告)号：US08077622B2
公开(公告)日：2011-12-13
申请号：US11833777
申请日：2007-08-03
申请人： Ravi Kondamuru , Henk Bots , Josephine Suganthi , Anil Shetty
发明人： Ravi Kondamuru , Henk Bots , Josephine Suganthi , Anil Shetty
IPC分类号： H04L1/00
CPC分类号： H04L67/1008 , H04L67/1002 , H04L67/1012 , H04L67/1017
摘要： Systems and methods for load balancing services based on fewest connections by decreasing granularity of service selection as a number of fewest connections serviced by the services increases may include establishing, by an appliance, a set of identifiers corresponding to a number of connections serviced by a service, the set comprising a first plurality of identifiers each identifying a predetermined number of connections and a second plurality of identifiers each identifying a predetermined range of numbers of connections. The appliance assigns, to each service servicing connections, an identifier corresponding to the number of connections serviced by the service, at least one of the identifiers selected from the second plurality of identifiers. The appliance receives a request for a service, and forwards the request to a service assigned to the identifier corresponding to a fewest number of connections with at least one service assigned to the identifier.
摘要翻译：基于最少连接的负载平衡服务的系统和方法通过将服务选择的粒度降低为由服务增加服务的最少的连接数量可以包括由设备建立与服务服务的多个连接数相对应的一组标识符该集合包括每个识别预定数量的连接的第一多个标识符和每个识别连接数量的预定范围的第二多个标识符。设备向每个服务服务连接分配与由服务服务的连接数量相对应的标识符，从第二多个标识符中选择的至少一个标识符。设备接收对服务的请求，并且将该请求转发到分配给与分配给标识符的至少一个服务的与最少数量的连接相对应的标识符的服务。

28. 发明授权

US08065559B2 Systems and methods for load balancing via a plurality of virtual servers upon failover using metrics from a backup virtual server 有权
标题翻译：使用来自备份虚拟服务器的指标进行故障转移时，通过多个虚拟服务器进行负载平衡的系统和方法
公开(公告)号：US08065559B2
公开(公告)日：2011-11-22
申请号：US12128978
申请日：2008-05-29
申请人： Sandeep Kamath , Josephine Suganthi , Sergey Verzunov , Murali Raja , Anil Shetty
发明人： Sandeep Kamath , Josephine Suganthi , Sergey Verzunov , Murali Raja , Anil Shetty
IPC分类号： G06F11/00
CPC分类号： G06F9/505 , H04L67/1002 , H04L67/1008 , H04L67/101 , H04L67/1012 , H04L67/1029 , H04L67/1034
摘要： The present invention provides methods and systems for performing load balancing via a plurality of virtual servers upon a failover using metrics from a backup virtual server. The methods and systems described herein provide systems and methods for an appliance detecting that a first virtual server of a plurality of virtual servers having one or more backup virtual servers load balanced by an appliance is not available, identifying at least a first backup virtual server of a one or more backup virtual servers of the first virtual server is available, maintaining a status of the first virtual server as available in response to the identification, obtaining one or more metrics from the first backup virtual server of a one or more backup virtual servers, and determining the load across the plurality of virtual servers using the metrics obtained from the first backup virtual server associated with the first virtual server.
摘要翻译：本发明提供了使用来自备份虚拟服务器的度量的故障转移时通过多个虚拟服务器执行负载平衡的方法和系统。本文所述的方法和系统提供用于设备的系统和方法，该系统和方法检测具有由设备负载平衡的一个或多个备份虚拟服务器的多个虚拟服务器的第一虚拟服务器不可用，至少识别至少第一备份虚拟服务器第一虚拟服务器的一个或多个备份虚拟服务器可用，响应于该标识将第一虚拟服务器的状态维持为可用，从一个或多个备份虚拟服务器的第一备份虚拟服务器获取一个或多个度量以及使用从与所述第一虚拟服务器相关联的所述第一备份虚拟服务器获得的度量来确定所述多个虚拟服务器之间的负载。

29. 发明授权

US07926116B2 Systems and methods for dynamic decentralized load balancing across multiple sites 有权
标题翻译：跨多个站点进行动态分散负载平衡的系统和方法
公开(公告)号：US07926116B2
公开(公告)日：2011-04-12
申请号：US12608753
申请日：2009-10-29
申请人： Sandeep Kamath , Josephine Suganthi , Anil Shetty , Sergey Verzunov , Murali Raja
发明人： Sandeep Kamath , Josephine Suganthi , Anil Shetty , Sergey Verzunov , Murali Raja
IPC分类号： H04L29/00
CPC分类号： H04L43/08 , H04L43/0805 , H04L47/10 , H04L67/1002 , H04L67/1008 , H04L67/1012 , H04L67/1029
摘要： A method for enabling decentralized dynamic load balancing among a plurality of appliances providing access to a plurality of sites, each site comprising a local area network and at least one server includes: determining, by a first appliance, a first number of services currently available for access via a local area network connected to the first appliance; receiving, by the first appliance from a second appliance, a communication indicating a second number of services currently available for access via a local area network connected to the second appliance; receiving, by the first appliance, a plurality of requests to connect to a service; determining, by the first appliance, a weight to be assigned to the second appliance, wherein the determination is responsive to the second number; and forwarding, by the first appliance to the second appliance, a subset of the plurality of requests, wherein the number of requests comprising the subset is determined in response to the determined weight. Corresponding systems are also described.
摘要翻译：一种用于在提供对多个站点的访问的多个设备之间实现分散式动态负载平衡的方法，每个站点包括局域网和至少一个服务器包括：由第一设备确定当前可用于通过连接到第一设备的局域网访问; 由第一设备从第二设备接收指示当前可用于经由连接到第二设备的局域网访问的第二数量的服务的通信; 由所述第一设备接收多个连接到服务的请求; 由所述第一设备确定要分配给所述第二设备的重量，其中所述确定响应于所述第二数量; 以及由所述第一设备向所述第二设备转发所述多个请求的子集，其中响应于所确定的权重来确定包括所述子集的请求的数量。还描述了相应的系统。

30. 发明申请

US20090300407A1 SYSTEMS AND METHODS FOR LOAD BALANCING VIA A PLURALITY OF VIRTUAL SERVERS UPON FAILOVER USING METRICS FROM A BACKUP VIRTUAL SERVER 有权
标题翻译：通过使用来自备用虚拟服务器的度量的故障发生的虚拟服务器的大量虚拟服务器的负载平衡的系统和方法
公开(公告)号：US20090300407A1
公开(公告)日：2009-12-03
申请号：US12128978
申请日：2008-05-29
申请人： Sandeep Kamath , Josephine Suganthi , Sergey Verzunov , Murali Raja , Anil Shetty
发明人： Sandeep Kamath , Josephine Suganthi , Sergey Verzunov , Murali Raja , Anil Shetty
IPC分类号： G06F11/20
CPC分类号： G06F9/505 , H04L67/1002 , H04L67/1008 , H04L67/101 , H04L67/1012 , H04L67/1029 , H04L67/1034
摘要： The present invention provides methods and systems for performing load balancing via a plurality of virtual servers upon a failover using metrics from a backup virtual server. The methods and systems described herein provide systems and methods for an appliance detecting that a first virtual server of a plurality of virtual servers having one or more backup virtual servers load balanced by an appliance is not available, identifying at least a first backup virtual server of a one or more backup virtual servers of the first virtual server is available, maintaining a status of the first virtual server as available in response to the identification, obtaining one or more metrics from the first backup virtual server of a one or more backup virtual servers, and determining the load across the plurality of virtual servers using the metrics obtained from the first backup virtual server associated with the first virtual server.
摘要翻译：本发明提供了使用来自备份虚拟服务器的度量的故障转移时通过多个虚拟服务器执行负载平衡的方法和系统。本文所述的方法和系统提供用于设备的系统和方法，该系统和方法检测具有由设备负载平衡的一个或多个备份虚拟服务器的多个虚拟服务器的第一虚拟服务器不可用，至少识别至少第一备份虚拟服务器第一虚拟服务器的一个或多个备份虚拟服务器可用，响应于该标识将第一虚拟服务器的状态维持为可用，从一个或多个备份虚拟服务器的第一备份虚拟服务器获取一个或多个度量以及使用从与所述第一虚拟服务器相关联的所述第一备份虚拟服务器获得的度量来确定所述多个虚拟服务器之间的负载。

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