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1. 发明申请

US20100036951A1 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：US20100036951A1
公开(公告)日：2010-02-11
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： G06F15/16
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。

2. 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。

3. 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。

4. 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。

5. 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。

6. 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。

7. 发明授权

US08141164B2 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：US08141164B2
公开(公告)日：2012-03-20
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： H04L29/06
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。

8. 发明申请

US20080046558A1 METHOD AND APPLIANCE FOR USING A DYNAMIC RESPONSE TIME TO DETERMINE RESPONSIVENESS OF NETWORK SERVICES 有权
标题翻译：使用动态响应时间确定网络服务响应的方法和装置
公开(公告)号：US20080046558A1
公开(公告)日：2008-02-21
申请号：US11462344
申请日：2006-08-03
申请人： Murali Raja , Ravi Kondamuru , Josephine Suganthi , Sergey Verzunov , Sandeep Kamath , Anil Shetty
发明人： Murali Raja , Ravi Kondamuru , Josephine Suganthi , Sergey Verzunov , Sandeep Kamath , Anil Shetty
IPC分类号： G06F15/173
CPC分类号： H04L41/5009 , H04L43/0852 , H04L43/16
摘要： In a method and appliance for using a dynamic response time to determine responsiveness of one or more network services on a server, a monitor determines a response time for each of one or more network services. The monitor establishes an average response time based on the determined response time for each of the one or more network services. The monitor associates with the established average response time a predetermined threshold for which the response time of the one or more network services may deviate from the average response time and maintain an indication of responsiveness. The monitor monitors the response time of the one or more network services to one or more requests. The monitor determines that the response time of the one or more network services deviates from the average response time by the predetermined threshold. The monitor indicates that the one or more network services are unavailable.
摘要翻译：在用于使用动态响应时间来确定服务器上的一个或多个网络服务的响应性的方法和装置中，监视器确定一个或多个网络服务中的每一个的响应时间。监视器基于针对每个一个或多个网络服务的确定的响应时间建立平均响应时间。监视器将建立的平均响应时间与预定阈值相关联，预定阈值，一个或多个网络服务的响应时间可以偏离平均响应时间并保持响应性的指示。监视器监视一个或多个网络服务对一个或多个请求的响应时间。监视器确定一个或多个网络服务的响应时间偏离平均响应时间预定阈值。监视器指示一个或多个网络服务不可用。

9. 发明授权

US08812904B2 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：US08812904B2
公开(公告)日：2014-08-19
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： 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。

10. 发明授权

US08484656B2 Systems and methods for providing global server load balancing of heterogeneous devices 有权
标题翻译：提供异构设备的全局服务器负载平衡的系统和方法
公开(公告)号：US08484656B2
公开(公告)日：2013-07-09
申请号：US11685163
申请日：2007-03-12
申请人： Murali Raja , Josephine Suganthi , Sandeep Kamath , Sergey Verzunov
发明人： Murali Raja , Josephine Suganthi , Sandeep Kamath , Sergey Verzunov
IPC分类号： G06F9/46 , G06F15/173
CPC分类号： H04L67/1008 , H04L41/0213 , H04L41/046 , H04L41/0896 , H04L43/0817 , H04L43/0864 , H04L43/16 , H04L67/1002 , H04L67/1012 , H04L67/1029
摘要： The present invention provides improvements to load balancing by providing a load balancing solution that distributes a load among a plurality of heterogenous devices, such as different types of local load balancers, using metrics collected from the different devices. The load balancing appliance collects metrics from heterogenous devices using a network management protocol and communication model, such as a Simple Network Management Protocol (SNMP). These heterogenous device metrics are available on the load balancing appliance with appliance determined metrics and metrics obtained by the appliance from homogenous devices using a metric exchange protocol. Via a configuration interface of the appliance, a user can select one or more of these different metrics for global load balancing. As such, the load balancing appliance described herein obtains a multitude of metrics from the different devices under management. Additionally, the load balancing appliance described herein provides great flexibility in allowing the user to configure the global load balancer based on the user's understanding of these multitudes of metrics and to take into account the different characteristics and behaviors of the heterogenous devices.
摘要翻译：本发明通过提供使用从不同设备收集的度量在多个异构设备（例如不同类型的本地负载平衡器）中分配负载的负载平衡解决方案来提供对负载平衡的改进。负载平衡设备使用网络管理协议和通信模型（如简单网络管理协议（SNMP））从异构设备收集指标。这些异构设备指标在负载平衡设备上可用，具有设备确定的设备使用度量交换协议从均匀设备获取的度量和度量。通过设备的配置界面，用户可以选择这些不同度量中的一个或多个来进行全局负载平衡。因此，本文描述的负载平衡装置从管理的不同设备获得多个度量。此外，这里描述的负载平衡装置提供了很大的灵活性，允许用户基于用户对这些多个度量的理解来配置全局负载平衡器，并且考虑到异质设备的不同特性和行为。

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