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1. 发明申请

WO2008017030A3 SYSTEM AND METHOD FOR ROUTING TRAFFIC AT A CLIENT VIA A FIRST OR A SECOND TRANSPORT LAYER CONNECTION 审中-公开
标题翻译：通过第一或第二运输层连接在客户端路由交通的系统和方法
公开(公告)号：WO2008017030A3
公开(公告)日：2008-06-19
申请号：PCT/US2007075074
申请日：2007-08-02
申请人： CITRIX SYSTEMS INC , JOSEPHINE SUGANTHI , VENKATRAMAN CHARU , HE JUNXIAO , SHETTY ANIL , VERZUNOZ SERGEY
发明人： JOSEPHINE SUGANTHI , VENKATRAMAN CHARU , HE JUNXIAO , SHETTY ANIL , VERZUNOZ SERGEY
IPC分类号： H04L29/06 , H04L12/26 , H04L29/08
CPC分类号： H04L67/1008 , H04L45/24 , H04L67/1002 , H04L67/1014 , H04L67/1029 , H04L67/327 , H04L69/16 , H04L69/161 , H04L69/165
摘要： Methods for using a client agent (120) to route client requests among a plurality of appliances (200a, 200b, 200c) using transport layer information include the steps of : establishing, by a client agent (120) executing on a client (102), a first transport layer connection with a first appliance of a plurality of appliances, the first appliance providing access to one or more servers (106a, 106b); 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（120）使用传输层信息在多个设备（200a，200b，200c）之间路由客户端请求的方法包括以下步骤：由在客户端（102）上执行的客户端代理（120）建立，与多个设备的第一设备的第一传输层连接，所述第一设备提供对一个或多个服务器（106a，106b）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。

2. 发明申请

WO2008017030A2 SYSTEMS AND METHODS FOR ROUTING VPN TRAFFIC AROUND NETWORK DISRUPTION 审中-公开
标题翻译：用于路由网络连接中的VPN流量的系统和方法
公开(公告)号：WO2008017030A2
公开(公告)日：2008-02-07
申请号：PCT/US2007/075074
申请日：2007-08-02
申请人： CITRIX SYSTEMS, INC. , JOSEPHINE, Suganthi , VENKATRAMAN, Charu , HE, Junxiao , SHETTY, Anil , VERZUNOZ, Sergey
发明人： JOSEPHINE, Suganthi , VENKATRAMAN, Charu , HE, Junxiao , SHETTY, Anil , VERZUNOZ, Sergey
CPC分类号： H04L67/1008 , H04L45/24 , H04L67/1002 , H04L67/1014 , H04L67/1029 , H04L67/327 , H04L69/16 , H04L69/161 , H04L69/165
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。

3. 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。

4. 发明申请

US20130046876A1 SYSTEMS AND METHODS FOR GSLB SITE PERSISTENCE 有权
标题翻译： GSLB现场持久性的系统与方法
公开(公告)号：US20130046876A1
公开(公告)日：2013-02-21
申请号：US13589796
申请日：2012-08-20
申请人： Raghav Somanahalli Narayana , Josephine Suganthi , Murali Raja , Ravi Kondamuru
发明人： Raghav Somanahalli Narayana , Josephine Suganthi , Murali Raja , Ravi Kondamuru
IPC分类号： G06F15/173
CPC分类号： H04L67/1027 , H04L67/1002 , H04L67/1029 , H04L67/14 , H04L67/142 , H04L67/28 , H04L67/2814 , H04L67/2885
摘要： The present invention provides maintains site persistence in a hierarchical Global Server Load Balancing (GSLB) deployment. Via configuration of GSLB services locally and remotely on each of the GSLB appliances and LB appliances at a site, a site appliance identifies and associates requests from the GSLB with the site. Furthermore, the site appliance may receive a GSLB cookie with the client request and confirms the request is from the expected GSLB in the site hierarchy. When the load balancers receives a response from a server, the appliance may include the GSLB cookie with the response back to the client. The appliance may also include an LB cookie to identify the server selected by the LB. When the client sends another request, the request may include the GSLB and LB cookie.
摘要翻译：本发明在分级全局服务器负载平衡（GSLB）部署中提供维护站点持久性。通过在站点上的GSLB设备和LB设备的本地和远程配置GSLB服务，站点设备会将GSLB的请求与站点相关联。此外，站点设备可以接收具有客户端请求的GSLB cookie，并确认请求来自站点层次结构中的预期GSLB。当负载平衡器收到来自服务器的响应时，设备可以将具有响应的GSLB cookie包括回客户端。该设备还可以包括LB cookie以识别由LB选择的服务器。当客户端发送另一个请求时，请求可能包括GSLB和LB cookie。

5. 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。

6. 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。

7. 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。

8. 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。

9. 发明申请

US20100322250A1 SYSTEMS AND METHODS FOR DISTRIBUTED HASH TABLE IN A MULTI-CORE SYSTEM 有权
标题翻译：用于多核系统中分布式表的系统和方法
公开(公告)号：US20100322250A1
公开(公告)日：2010-12-23
申请号：US12489201
申请日：2009-06-22
申请人： Anil Shetty , Josephine Suganthi , Prakash Khemani
发明人： Anil Shetty , Josephine Suganthi , Prakash Khemani
IPC分类号： H04L12/56
CPC分类号： H04L41/50 , G06F9/505
摘要： The present invention is directed towards systems and methods for using a distributed hash table to maintain the same configuration and resource persistency across a plurality of cores in a multi-core system. The distributed hash table includes a plurality of partitions, each partition being owned by a respective core of the multi-core system. A core may establish resources in the partition it owns. A core may request other cores to establish resources in the partitions they own and send resource information to the core. The core may locally cache the resource information.
摘要翻译：本发明涉及用于使用分布式哈希表在多核系统中跨多个核心维持相同配置和资源持久性的系统和方法。分布式散列表包括多个分区，每个分区由多核系统的相应核心拥有。核心可以在其拥有的分区中建立资源。核心可以请求其他核心在其拥有的分区中建立资源并将资源信息发送到核心。核心可以在本地缓存资源信息。

10. 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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