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1. 发明申请

WO2010068451A2 SYSTEMS AND METHODS FOR GSLB SITE PERSISTENCE 审中-公开
标题翻译： GSLB现场持久性的系统与方法
公开(公告)号：WO2010068451A2
公开(公告)日：2010-06-17
申请号：PCT/US2009/065751
申请日：2009-11-24
申请人： CITRIX SYSTEMS, INC. , NARAYANA, Raghav, Somanahalli , SUGANTHI, Josephine , RAJA, Murali , KONDAMURU, Ravi
发明人： NARAYANA, Raghav, Somanahalli , SUGANTHI, Josephine , RAJA, Murali , KONDAMURU, Ravi
IPC分类号： H04L29/08
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 systems and methods for maintaining 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. With this information, the GSLB and LB appliance may maintain site persistence for the client as well as server persistence at the site.
摘要翻译：本发明提供了用于在分级全局服务器负载平衡（GSLB）部署中维护站点持久性的系统和方法。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。有了这些信息，GSLB和LB设备可能会维护客户端的站点持久性以及站点上的服务器持久性。

2. 发明申请

WO2008017026A1 A METHOD AND APPLIANCE FOR USING A DYNAMIC RESPONSE TIME TO DETERMINE RESPONSIVENESS OF NETWORK SERVICES 审中-公开
标题翻译：使用动态响应时间确定网络服务响应的方法和设备
公开(公告)号：WO2008017026A1
公开(公告)日：2008-02-07
申请号：PCT/US2007/075068
申请日：2007-08-02
申请人： CITRIX SYSTEMS, INC. , RAJA, Murali , KONDAMURU, Ravi , SUGANTHI, Josephine , VERZUNOV, Sergey , KAMATH, Sandeep , SHETTY, Anil
发明人： RAJA, Murali , KONDAMURU, Ravi , SUGANTHI, Josephine , VERZUNOV, Sergey , KAMATH, Sandeep , SHETTY, Anil
IPC分类号： H04L12/24 , H04L12/26
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。

3. 发明申请

WO2010042733A1 SYSTEMS AND METHODS FOR CONNECTION MANAGEMENT FOR ASYNCHRONOUS MESSAGING OVER HTTP 审中-公开
标题翻译：用于通过HTTP进行异步消息传递的连接管理的系统和方法
公开(公告)号：WO2010042733A1
公开(公告)日：2010-04-15
申请号：PCT/US2009/060024
申请日：2009-10-08
申请人： CITRIX SYSTEMS, INC. , CHAUHAN, Abhishek , KONDAMURU, Ravi , SUGANTHI, Josephine , RAJA, Murali , SHETTY, Anil
发明人： CHAUHAN, Abhishek , KONDAMURU, Ravi , SUGANTHI, Josephine , RAJA, Murali , SHETTY, Anil
IPC分类号： H04L29/06
CPC分类号： H04L67/26
摘要： Described are methods and systems for managing the connections between a client, an intermediary appliance and a server, so that asynchronous messages can be transmitted over HTTP from the server to a client. When a connection is established between a client and an intermediary, and the intermediary and a server to establish a logical client-server connection, that logical client-server connection is labeled and not maintained, while the connection between the client and the intermediary is maintained. Messages generated by the server and destined for the client are transmitted to the intermediary along with the connection label. The intermediary can then use the connection label to determine which client should receive the message.
摘要翻译：描述了用于管理客户端，中间设备和服务器之间的连接的方法和系统，使得异步消息可以通过HTTP从服务器传输到客户端。当在客户机和中间设备之间建立连接，以及中间人和服务器建立逻辑客户端 - 服务器连接时，该逻辑客户机 - 服务器连接被标记并且不被维护，同时客户端和中间人之间的连接被维持。由服务器产生并发往客户端的消息与连接标签一起发送到中介。然后，中间人可以使用连接标签来确定哪个客户端应该接收该消息。

4. 发明申请

WO2011079141A2 SYSTEMS AND METHODS FOR GSLB SPILLOVER 审中-公开
标题翻译：用于GSLB溢出的系统和方法
公开(公告)号：WO2011079141A2
公开(公告)日：2011-06-30
申请号：PCT/US2010/061623
申请日：2010-12-21
申请人： CITRIX SYSTEMS, INC. , RAJA, Murali , NARAYANA, Raghav Somanahalli
发明人： RAJA, Murali , NARAYANA, Raghav Somanahalli
IPC分类号： H04L12/28
CPC分类号： H04L67/1029 , H04L41/5009 , H04L43/08 , H04L67/1002 , H04L67/101
摘要： The present invention is directed towards systems and methods for global server load balancing spillover. An intermediary device providing global server load balancing (GSLB) identifies a spillover threshold for a first GSLB virtual server of the intermediary device. The first GSLB virtual server resolving DNS requests to a remote site of a plurality of remote sites. The intermediary device monitors spillover related statistics of each of a plurality of services at the plurality of remote sites, establishes a first spillover aggregate statistic for the plurality of services, determines that the first spillover aggregate statistic exceeds the spillover threshold for the first GSLB virtual server, and receives a DNS request and directing the DNS request to a second GSLB virtual server of the intermediary device responsive to the determination.
摘要翻译：本发明针对全球服务器负载平衡溢出的系统和方法。提供全局服务器负载平衡（GSLB）的中间设备识别中间设备的第一GSLB虚拟服务器的溢出阈值。第一台GSLB虚拟服务器将DNS请求解析到多个远程站点的远程站点。中间装置监控多个远程站点处的多个服务中的每一个的溢出相关统计，为多个服务建立第一溢出汇总统计，确定第一溢出汇总统计超过第一GSLB虚拟服务器的溢出阈值，并且接收DNS请求并且响应于该确定将该DNS请求引导到该中间设备的第二GSLB虚拟服务器。

5. 发明申请

WO2008112698A3 SYSTEMS AND METHODS FOR PROVIDING GLOBAL SERVER LOAD BALANCING OF HETEROGENOUS DEVICES 审中-公开
公开(公告)号：WO2008112698A3
公开(公告)日：2008-09-18
申请号：PCT/US2008/056526
申请日：2008-03-11
申请人： CITRIX SYSTEMS, INC. , RAJA, Murali , SUGANTHI, Josephine , KAMATH, Sandeep , VERZUNOV, Sergey
发明人： RAJA, Murali , SUGANTHI, Josephine , KAMATH, Sandeep , VERZUNOV, Sergey
IPC分类号： H04L29/06 , H04L12/24
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.

6. 发明申请

WO2012092268A1 SYSTEMS AND METHODS FOR SCALABLE N-CORE STATISTICS AGGREGATION 审中-公开
标题翻译：可扩展N核心统计学聚类的系统和方法
公开(公告)号：WO2012092268A1
公开(公告)日：2012-07-05
申请号：PCT/US2011/067380
申请日：2011-12-27
申请人： CITRIX SYSTEMS, INC. , SRINIVASAN, Sridhar , ANNAMALAISAMI, Saravana , PRAKASH, Devesh , RAJA, Murali , SUGANTHI, Josephine , SHETTY, Anil
发明人： SRINIVASAN, Sridhar , ANNAMALAISAMI, Saravana , PRAKASH, Devesh , RAJA, Murali , SUGANTHI, Josephine , SHETTY, Anil
IPC分类号： H04L12/26 , H04L29/06
CPC分类号： H04L43/028 , H04L29/06 , H04L43/00
摘要： The present invention is directed towards systems and methods for aggregating and providing statistics from cores of a multi-core system intermediary between one or more clients and servers. The system may maintain in shared memory a global device number for each core of the multi-core system. The system may provide a thread for each core of the multi-core system to gather data from the corresponding core. A first thread may generate aggregated statistics from a corresponding core by parsing the gathered data from the corresponding core. The first thread may transfer the generated statistics to a statistics log according to a schedule. The system may adaptively reschedule the transfer by monitoring the operation of each computing thread. Responsive to a request from a client, an agent of the client may obtain statistics from the statistics log.
摘要翻译：本发明涉及用于从一个或多个客户端和服务器之间的多核系统中介的核聚合和提供统计信息的系统和方法。该系统可以在共享存储器中维护多核系统的每个核心的全局设备号。系统可以为多核系统的每个核心提供线程，以从相应的核心收集数据。第一个线程可以通过从相应的核心解析收集的数据来从相应的核心生成聚合的统计信息。第一个线程可以根据时间表将生成的统计信息传输到统计日志。系统可以通过监视每个计算线程的操作来自适应地重新调度传输。响应于客户端的请求，客户端的代理可以从统计日志中获取统计信息。

7. 发明申请

WO2010068441A1 SYSTEMS AND METHODS FOR GSLB BASED ON SSL VPN USERS 审中-公开
标题翻译：基于SSL VPN用户的GSLB系统与方法
公开(公告)号：WO2010068441A1
公开(公告)日：2010-06-17
申请号：PCT/US2009/065726
申请日：2009-11-24
申请人： CITRIX SYSTEMS, INC. , SUGANTHI, Josephine , RAJA, Murali , KAMATH, Sandeep
发明人： SUGANTHI, Josephine , RAJA, Murali , KAMATH, Sandeep
IPC分类号： H04L29/08
CPC分类号： H04L67/1002 , H04L12/4641 , H04L63/0227 , H04L63/0272 , H04L63/1433 , H04L63/166 , H04L67/1008
摘要： The present invention provides a system and a method for global server load balancing of a plurality of sites based on a number of Secure Socket Layer Virtual Private Network (SSL VPN) users. The SSL VPN users may access servers at each of the plurality of sites. A global server load balancing virtual server (GSLB) may receive a request to access a server. The GSLB virtual server may load balance a plurality of sites wherein each of the plurality of sites may further comprising a load balancing virtual server load balancing users accessing the server accessing servers via an SSL VPN session. GSLB may receive from a first load balancing virtual server at a first site, a first number of current SSL VPN users accessing servers from the first site via SSL VPN sessions. The GSLB may also receive from a second load balancing virtual server at a second site, a second number of current SSL VPN users of the users accessing servers from the second site via SSL VPN sessions. GSLB may determine to forward the request to one of the first load balancing virtual server of the first site or the second load balancing virtual server of the second site by load balancing SSL VPN users across the plurality of sites based on the first number of current SSL VPN users and the second number of current SSL VPN users.
摘要翻译：本发明提供了一种基于多个安全套接层虚拟专用网（SSL VPN）用户的多个站点的全局服务器负载平衡的系统和方法。 SSL VPN用户可以访问多个站点中的每个站点上的服务器。全局服务器负载平衡虚拟服务器（GSLB）可能会收到访问服务器的请求。 GSLB虚拟服务器可以负载平衡多个站点，其中多个站点中的每个站点还可以包括负载平衡虚拟服务器负载平衡通过SSL VPN会话访问服务器访问服务器的用户的负载。 GSLB可以从第一站点的第一个负载平衡虚拟服务器接收，第一个当前SSL VPN用户通过SSL VPN会话从第一个站点访问服务器。 GSLB还可以从第二站点的第二负载平衡虚拟服务器接收第二数量的用户通过SSL VPN会话从第二站点访问服务器的当前SSL VPN用户。 GSLB可以基于当前SSL的第一数量来负责平衡多个站点中的SSL VPN用户来将请求转发到第一站点的第一负载平衡虚拟服务器或第二站点的第二负载平衡虚拟服务器之一 VPN用户和第二个当前SSL VPN用户数。

8. 发明申请

WO2009146311A1 SYSTEMS AND METHODS FOR LOAD BALANCING VIA A PLURALITY OF VIRTUAL SERVERS UPON FAILOVER USING METRICS FROM A BACKUP VIRTUAL SERVER 审中-公开
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：WO2009146311A1
公开(公告)日：2009-12-03
申请号：PCT/US2009/045247
申请日：2009-05-27
申请人： CITRIX SYSTEMS, INC. , KAMATH, Sandeep , SUGANTHI, Josephine , VERZUNOV, Sergey , RAJA, Murali , SHETTY, Anil
发明人： KAMATH, Sandeep , SUGANTHI, Josephine , VERZUNOV, Sergey , RAJA, Murali , SHETTY, Anil
IPC分类号： G06F9/50 , H04L29/08
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。

9. 发明申请

WO2010068463A2 SYSTEMS AND METHODS FOR BATCHABLE HIERARCHICAL CONFIGURATION 审中-公开
标题翻译：用于可分层次配置的系统和方法
公开(公告)号：WO2010068463A2
公开(公告)日：2010-06-17
申请号：PCT/US2009/065787
申请日：2009-11-24
申请人： CITRIX SYSTEMS, INC. , KONDAMURU, Ravi , RAJA, Murali , BRANDSBERG, Erik , MUTNURU, Rishi
发明人： KONDAMURU, Ravi , RAJA, Murali , BRANDSBERG, Erik , MUTNURU, Rishi
IPC分类号： H04L29/08
CPC分类号： H04L67/1029 , H04L67/1002 , H04L67/2885
摘要： The present solution provides a centralized configuration of a Global Server Load Balancing (GSLB) site hierarchy that may be batched across a plurality of appliances in a multi-site deployment. A single GSLB site hierarchy configuration may be distributed and operated on each appliance at each site. This reduces the configuration maintained for the multi-site deployment. Furthermore, in this manner, each appliance across multiple sites has an understanding of the entire topology of the multi-site deployment. Responsive to this configuration and understanding, each appliance may perform and optimize operations according to the site topology. For example, the appliances may selectively determine which sites to establish connections with in order to share metrics. In another example, appliances may select which remote sites to monitor services according to the topology.
摘要翻译：本解决方案提供了可以在多站点部署中跨多个设备进行批量的全局服务器负载平衡（GSLB）站点层次结构的集中配置。可以在每个站点的每个设备上分发和操作单个GSLB站点层次结构配置。这减少了为多站点部署维护的配置。此外，以这种方式，跨多个站点的每个设备都了解多站点部署的整个拓扑。响应于这种配置和理解，每个设备可以根据站点拓扑执行和优化操作。例如，设备可以选择性地确定哪些站点建立连接以便共享度量。在另一示例中，设备可以根据拓扑结构选择哪些远程站点来监视服务。

10. 发明公开

EP2715560A2 SYSTEMS AND METHODS FOR ANALYZING NETWORK METRICS 无效转让
标题翻译：系统和方法用于分析网络度量
公开(公告)号：EP2715560A2
公开(公告)日：2014-04-09
申请号：EP12725239.3
申请日：2012-05-23
申请人： Citrix Systems Inc. , Raja, Murali
发明人： RAJA, Murali
IPC分类号： G06F15/173
CPC分类号： H04L47/25 , H04L41/14 , H04L41/22 , H04L43/026 , H04L43/08 , H04L43/0876
摘要： The present solution is directed to systems and methods for providing, by a device intermediary to a plurality of clients and one or more servers, analytics on a stream of network packets traversing the device. The systems and methods include the device identifying, while the device manages network traffic between the plurality of clients and the one or more servers, a stream of network packets, from a plurality of streams of network packets of the network traffic traversing the device, corresponding to a flow identifier, e.g., a selected one of an internet protocol address, a uniform resource locator or an application identifier. The systems and methods may include a collector of the analytics engine collecting, while the device manages network traffic, metrics on the identified stream of network packets and generating one or more stream objects that comprise the collected metrics.

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