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1. 发明授权

US07702791B2 Hardware load-balancing apparatus for session replication 有权
标题翻译：用于会话复制的硬件负载平衡设备
公开(公告)号：US07702791B2
公开(公告)日：2010-04-20
申请号：US10000709
申请日：2001-10-31
申请人： Eric M. Halpern , Prasad Peddada , Adam Messinger , Dean Bernard Jacobs , Sam Pullara
发明人： Eric M. Halpern , Prasad Peddada , Adam Messinger , Dean Bernard Jacobs , Sam Pullara
IPC分类号： G06F15/16
CPC分类号： H04L67/1008 , H04L29/06 , H04L67/1002 , H04L67/1017 , H04L67/1029 , H04L67/1034 , H04L2029/06054
摘要： A session replication system provides real-time data replication without unnecessarily slowing down the user experience. A system in accordance with the present invention may utilize a primary server to serve requests from a network client, as well as a secondary server to replicate the session information. When a request is received on the session, an attempt may be made to serve the request on the primary server. If the primary is unable to receive or respond to the request, the request may be served on the secondary server or on a new primary server. If the secondary server receives the request, the secondary server may become the new primary server. If a new primary server is selected, the new primary may request the session information from the secondary server.
摘要翻译：会话复制系统提供实时数据复制，而不必不必要地减慢用户体验。根据本发明的系统可以利用主服务器来服务来自网络客户端的请求，以及副服务器来复制会话信息。当会话接收到请求时，可能会尝试在主服务器上提供请求。如果主服务器无法接收或响应该请求，则该请求可能会在辅助服务器或新的主服务器上提供。如果辅助服务器接收到请求，则辅助服务器可能会成为新的主服务器。如果选择了新的主服务器，则新的主服务器可以从辅助服务器请求会话信息。

2. 发明授权

US07694003B2 Systems and methods for migratable services 有权
标题翻译：可迁移服务的系统和方法
公开(公告)号：US07694003B2
公开(公告)日：2010-04-06
申请号：US11749669
申请日：2007-05-16
申请人： Eric M. Halpern
发明人： Eric M. Halpern
IPC分类号： G06F15/16
CPC分类号： G06F9/4862 , G06F9/4843 , G06F11/1482 , G06F11/2025 , G06F11/203
摘要： A migration framework provides for the migration of services in a cluster. A migratable target contains a list of servers in the cluster capable of hosting a migratable service. A migration manager can migrate the service between servers in the migratable target, and can activate an instance of the service on the selected host server. The migration manager ensures that only one active instance of the service exists in the cluster. A service stub can serve a user request on servers in the migration target, such as by order of preference, until the user request is served on the server hosting the active instance. A lease manager can assign a lease period to determine how long a server hosts an active instance.
摘要翻译：迁移框架提供了集群中服务的迁移。可迁移目标包含集群中可托管可迁移服务的服务器列表。迁移管理器可以在可迁移目标中的服务器之间迁移服务，并可以激活所选主机服务器上的服务实例。迁移管理器确保集群中只有一个活动的服务实例存在。服务存根可以在迁移目标中的服务器上提供用户请求，例如按优先级顺序，直到在托管活动实例的服务器上提供用户请求。租赁经理可以分配租期，以确定服务器承载活动实例的时间。

3. 发明授权

US07487244B2 Exactly once data framework method 有权
标题翻译：完全一次数据框架的方法
公开(公告)号：US07487244B2
公开(公告)日：2009-02-03
申请号：US10887740
申请日：2004-07-09
申请人： Dean Bernard Jacobs , Eric M. Halpern
发明人： Dean Bernard Jacobs , Eric M. Halpern
IPC分类号： G06F15/173
CPC分类号： H04L67/1095 , H04L29/06 , H04L67/28 , H04L67/2842 , H04L67/288 , H04L69/329 , H04L69/40
摘要： A method for managing objects in a clustered network includes a file system containing at least one copy of a data object. The method can involve several clustered servers in communication with the file system. A distributed consensus algorithm is used to select a host server. The selected host server can contain a copy of the data object, such as in local cache, providing access to the local copy to any other server in the cluster. Any change made to an item hosted by the host server can also be updated in the file system. If the host server becomes unable to host the object, a new host can be chosen using the distributed consensus algorithm. The other servers are then notified of the new host by multicast messaging.
摘要翻译：用于管理集群网络中的对象的方法包括包含数据对象的至少一个副本的文件系统。该方法可以涉及几个与文件系统通信的集群服务器。分布式共享算法用于选择主机服务器。选定的主机服务器可以包含数据对象的副本，例如本地缓存，可以将本地副本提供给集群中的任何其他服务器。对主机服务器托管的项目所做的任何更改也可以在文件系统中进行更新。如果主机服务器无法托管对象，则可以使用分布式共享算法选择新的主机。然后通过多播消息传送向其他服务器通知新主机。

4. 发明申请

US20080313293A1 SYSTEM AND METHOD FOR EXACTLY ONCE MESSAGE STORE COMMUNICATION 有权
标题翻译：用于全面消息存储通信的系统和方法
公开(公告)号：US20080313293A1
公开(公告)日：2008-12-18
申请号：US12185658
申请日：2008-08-04
申请人： Dean Bernard Jacobs , Eric M. Halpern
发明人： Dean Bernard Jacobs , Eric M. Halpern
IPC分类号： G06F15/16
CPC分类号： H04L67/1095 , H04L12/1868 , H04L69/329
摘要： A system for managing a message store in a network includes an object acting as a message store. In one embodiment, the message store is for Java Message Service. A lead server is selected from several servers. The lead server uses a distributed consensus algorithm to select a host server. The selected host server hosts the message store, providing sole access to the message store. The other servers are notified of the new host by messaging. In one embodiment, servers can send messages to the message store on the host and pick up any messages from the message store.
摘要翻译：用于管理网络中的消息存储的系统包括充当消息存储的对象。在一个实施例中，消息存储用于Java消息服务。从多个服务器中选择主要服务器。主导服务器使用分布式共享算法来选择主机服务器。选定的主机服务器托管消息存储，提供消息存储的唯一访问。通过消息传递向其他服务器通知新主机。在一个实施例中，服务器可以将消息发送到主机上的消息存储器，并从消息存储器拾取任何消息。

5. 发明授权

US07403996B2 Systems and methods for migratable services 有权
标题翻译：可迁移服务的系统和方法
公开(公告)号：US07403996B2
公开(公告)日：2008-07-22
申请号：US10366075
申请日：2003-02-13
申请人： Eric M. Halpern
发明人： Eric M. Halpern
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： G06F9/4862 , G06F9/4843 , G06F11/1482 , G06F11/2025 , G06F11/203
摘要： A migration framework provides for the migration of services in a cluster. A migratable target contains a list of servers in the cluster capable of hosting a migratable service. A migration manager can migrate the service between servers in the migratable target, and can activate an instance of the service on the selected host server. The migration manager ensures that only one active instance of the service exists in the cluster. A service stub can serve a user request on servers in the migration target, such as by order of preference, until the user request is served on the server hosting the active instance. A lease manager can assign a lease period to determine how long a server hosts an active instance.This description is not intended to be a complete description of, or limit the scope of, the invention. Other features, aspects, and objects of the invention can be obtained from a review of the specification, the figures, and the claims.
摘要翻译：迁移框架提供了集群中服务的迁移。可迁移目标包含集群中可托管可迁移服务的服务器列表。迁移管理器可以在可迁移目标中的服务器之间迁移服务，并可以激活所选主机服务器上的服务实例。迁移管理器确保集群中只有一个活动的服务实例存在。服务存根可以在迁移目标中的服务器上提供用户请求，例如按优先级顺序，直到在托管活动实例的服务器上提供用户请求。租赁经理可以分配租期，以确定服务器承载活动实例的时间。本说明书不是对本发明的完整描述或限制本发明的范围。本发明的其它特征，方面和目的可以通过对说明书，附图和权利要求的评述来获得。

6. 发明授权

US07233989B2 Method for automatic monitoring of managed server health 有权
标题翻译：自动监控受管服务器运行状况的方法
公开(公告)号：US07233989B2
公开(公告)日：2007-06-19
申请号：US10339469
申请日：2003-01-09
申请人： Rahul Srivastava , Ananthan Bala Srinivasan , Eric M. Halpern , Dean Bernard Jacobs
发明人： Rahul Srivastava , Ananthan Bala Srinivasan , Eric M. Halpern , Dean Bernard Jacobs
IPC分类号： G06F15/173
CPC分类号： G06F11/326
摘要： A Node Manager monitors the status of multiple servers. The Node Manager detects server failures, periodically monitors server health status, and performs server maintenance. When the Node Manager detects a server failure, it determines whether or not the server should be restarted. While periodically monitoring servers, the Node Manager may determine how often to trigger a health check, how long to wait for a response, and how to proceed if the server is deemed failed. The Node Manager may be controlled by an Administrative Server directly or by an external administrative agent. An administrative agent may control the Node Manager by interfacing with the Administrative Server. The Node Manager and AS may authenticate each other and encode their communications to each other for increased security.
摘要翻译：节点管理器监视多台服务器的状态。节点管理器检测服务器故障，定期监视服务器运行状况，并执行服务器维护。当节点管理器检测到服务器故障时，它确定是否应重新启动服务器。在定期监视服务器的同时，节点管理器可以确定触发健康检查的频率，等待响应的时间以及如果服务器被认为失败，如何继续。节点管理器可以由管理服务器直接或外部管理代理来控制。管理代理可以通过与管理服务器连接来控制节点管理器。节点管理器和AS可以彼此认证并将它们的通信彼此编码以增加安全性。

7. 发明授权

US06581088B1 Smart stub or enterprise javaTM bean in a distributed processing system 有权
标题翻译：智能存根或企业级JavaTM bean在分布式处理系统中
公开(公告)号：US06581088B1
公开(公告)日：2003-06-17
申请号：US09405260
申请日：1999-09-23
申请人： Dean B. Jacobs , Eric M. Halpern
发明人： Dean B. Jacobs , Eric M. Halpern
IPC分类号： G06F900
CPC分类号： G06F9/548 , G06F9/465
摘要： A clustered enterprise Java™ distributed processing system is provided. The distributed processing system includes a first and a second computer coupled to a communication medium. The first computer includes a Java™ virtual machine (JVM) and kernel software layer for transferring messages, including a remote Java™ virtual machine (RJVM). The second computer includes a JVM and a kernel software layer having a RJVM. Messages are passed from a RJVM to the JVM in one computer to the JVM and RJVM in the second computer. Messages may be forwarded through an intermediate server or rerouted after a network reconfiguration. Each computer includes a Smart stub having a replica handler, including a load balancing software component and a failover software component. Each computer includes a duplicated service naming tree for storing a pool of Smart stubs at a node. The computers may be programmed in a stateless, stateless factory, or a stateful programming model. The clustered enterprise Java™ distributed processing system allows for enhanced scalability and fault tolerance.
摘要翻译：提供了集群企业Java（TM）分布式处理系统。分布式处理系统包括耦合到通信介质的第一和第二计算机。第一台计算机包括Java（TM）虚拟机（JVM）和用于传输消息的内核软件层，包括远程Java（TM）虚拟机（RJVM））。第二台计算机包括一个JVM和一个具有RJVM的内核软件层。消息从一台计算机的RJVM传递到JVM，并传送到第二台计算机中的JVM和RJVM。消息可以通过中间服务器转发或在网络重新配置后重新路由。每个计算机都包含一个具有复制处理程序的智能存根，包括负载平衡软件组件和故障转移软件组件。每个计算机都包含一个重复的服务命名树，用于在一个节点上存储一个Smart Stub池。计算机可以编程在无状态，无状态工厂或有状态编程模型中。集群企业Java（TM）分布式处理系统允许增强可扩展性和容错能力。

8. 发明授权

US06236999B1 Duplicated naming service in a distributed processing system 有权
标题翻译：分布式处理系统中的重复命名服务
公开(公告)号：US06236999B1
公开(公告)日：2001-05-22
申请号：US09405508
申请日：1999-09-23
申请人： Dean B. Jacobs , Eric M. Halpern
发明人： Dean B. Jacobs , Eric M. Halpern
IPC分类号： G06F1730
CPC分类号： G06F9/548 , G06F9/465 , Y10S707/99945 , Y10S707/99952
摘要： A clustered enterprise Java™ distributed processing system is provided. The distributed processing system includes a first and a second computer coupled to a communication medium. The first computer includes a Java™ virtual machine (JVM) and kernel software layer for transferring messages, including a remote Java™ virtual machine (RJVM). The second computer includes a JVM and a kernel software layer having a RJVM. Messages are passed from a RJVM to the JVM in one computer to the JVM and RJVM in the second computer. Messages may be forwarded through an intermediate server or rerouted after a network reconfiguration. Each computer includes a Smart stub having a replica handler, including a load balancing software component and a failover software component. Each computer includes a duplicated service naming tree for storing a pool of Smart stubs at a node. The computers may be programmed in a stateless, stateless factory, or a stateful programming model. The clustered enterprise Java™ distributed processing system allows for enhanced scalability and fault tolerance.
摘要翻译：提供集群企业Java（TM）分布式处理系统。分布式处理系统包括耦合到通信介质的第一和第二计算机。第一台计算机包括Java（TM）虚拟机（JVM）和用于传输消息的内核软件层，包括远程Java（TM）虚拟机（RJVM））。第二台计算机包括一个JVM和一个具有RJVM的内核软件层。消息从一台计算机的RJVM传递到JVM，并传送到第二台计算机中的JVM和RJVM。消息可以通过中间服务器转发或在网络重新配置后重新路由。每个计算机都包含一个具有复制处理程序的智能存根，包括负载平衡软件组件和故障转移软件组件。每个计算机都包含一个重复的服务命名树，用于在一个节点上存储一个Smart Stub池。计算机可以编程在无状态，无状态工厂或有状态编程模型中。集群企业Java（TM）分布式处理系统允许增强可扩展性和容错能力。

9. 发明授权

US07660824B2 System and method for performing batch configuration changes 有权
标题翻译：执行批量配置更改的系统和方法
公开(公告)号：US07660824B2
公开(公告)日：2010-02-09
申请号：US11130696
申请日：2005-05-17
申请人： Eric M. Halpern , Mark Spotswood , Charles Paclat
发明人： Eric M. Halpern , Mark Spotswood , Charles Paclat
IPC分类号： G06F17/00 , G06F15/177
CPC分类号： H04L41/0873 , H04L41/082 , H04L67/125 , H04L67/34
摘要： In embodiments, the present invention provides mechanisms and methods for making a plurality of configuration changes to a set of servers comprised of an administration server and one or more managed servers. These mechanisms and methods can enable a number of changes to be made to the configuration at once, i.e., in a batch. The ability of an administrator to make a number of changes to the configuration, validate the changes and then persist the changes to the servers is termed a “transaction based” change process. In such transaction based processing, embodiments process changes in batches, which enables embodiments to avoid failures in configuration changes that result in the machines being in a non-recoverable or unknown configuration state.
摘要翻译：在实施例中，本发明提供了用于对由管理服务器和一个或多个受管理服务器组成的一组服务器进行多个配置更改的机制和方法。这些机制和方法可以使得能够一次对配置进行许多改变，即批处理。管理员对配置进行一些更改的功能，验证更改，然后将更改保留到服务器，这被称为“基于事务”的更改过程。在这种基于事务的处理中，实施例分批处理更改，这使得实施例能够避免导致机器处于不可恢复或未知配置状态的配置更改中的故障。

10. 发明申请

US20080195722A1 EXACTLY ONCE DATA FRAMEWORK COMPUTER READABLE STORAGE MEDIUM 审中-公开
标题翻译：完整的数据框架计算机可读存储介质
公开(公告)号：US20080195722A1
公开(公告)日：2008-08-14
申请号：US12106933
申请日：2008-04-21
申请人： Dean Bernard Jacobs , Eric M. Halpern
发明人： Dean Bernard Jacobs , Eric M. Halpern
IPC分类号： G06F15/16
CPC分类号： H04L67/1095 , H04L29/06 , H04L67/28 , H04L67/2842 , H04L67/288 , H04L69/329 , H04L69/40
摘要： A computer readable storage medium stores instructions for managing objects in a clustered network. Several clustered servers are in communication with a file system containing at least one copy of a data object. A distributed consensus algorithm is used to select a host server. The selected host server can contain a copy of the data object, such as in local cache, providing access to the local copy to any other server in the cluster. Any change made to an item hosted by the host server can also be updated in the file system. If the host server becomes unable to host the object, a new host can be chosen using the distributed consensus algorithm. The other servers are then notified of the new host by multicast messaging.
摘要翻译：计算机可读存储介质存储用于管理集群网络中的对象的指令。几个集群服务器与包含数据对象的至少一个副本的文件系统通信。分布式共享算法用于选择主机服务器。选定的主机服务器可以包含数据对象的副本，例如本地缓存，可以将本地副本提供给集群中的任何其他服务器。对主机服务器托管的项目所做的任何更改也可以在文件系统中进行更新。如果主机服务器无法托管对象，则可以使用分布式共享算法选择新的主机。然后通过多播消息传送向其他服务器通知新主机。

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