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21. 发明授权

US06421704B1 Method, apparatus, and product for leasing of group membership in a distributed system 失效
标题翻译：在分布式系统中租用集团成员资格的方法，设备和产品
公开(公告)号：US06421704B1
公开(公告)日：2002-07-16
申请号：US09044834
申请日：1998-03-20
申请人： James H. Waldo , Ann M. Wollrath , Robert Scheifler , Kenneth C. R. C. Arnold
发明人： James H. Waldo , Ann M. Wollrath , Robert Scheifler , Kenneth C. R. C. Arnold
IPC分类号： G06F900
CPC分类号： G06F9/5011 , G06F9/4411 , G06F9/465 , G06F9/52 , G06F9/547 , G06F12/0253 , G06F12/0261 , G06F17/30607 , H04L12/417 , H04L29/06 , H04L69/24 , Y10S707/99953 , Y10S707/99957
摘要： A system for leasing a group membership in a distributed processing system is provided. In accordance with this system, a remote object requests from an activation group a membership in the activation group for a period of time. Responsive to this request, the activation group determines an appropriate lease period during which time the remote object becomes a member of the activation group and runs in the same address space as other objects of the activation group.
摘要翻译：提供了一种用于在分布式处理系统中租用组成员身份的系统。根据该系统，远程对象从激活组请求激活组中的成员资格一段时间。响应于此请求，激活组确定在该时间内远程对象成为激活组的成员并在与激活组的其他对象相同的地址空间中运行的适当租期。

22. 发明授权

US06263350B1 Method and system for leasing storage 失效
标题翻译：租赁存储方法和系统
公开(公告)号：US06263350B1
公开(公告)日：2001-07-17
申请号：US09044923
申请日：1998-03-20
申请人： Ann M. Wollrath , James H. Waldo , Kenneth C. R. C. Arnold
发明人： Ann M. Wollrath , James H. Waldo , Kenneth C. R. C. Arnold
IPC分类号： G06F1730
CPC分类号： G06F12/0261 , G06F9/4411 , G06F9/465 , G06F9/5011 , G06F9/5016 , G06F9/5022 , G06F9/5055 , G06F9/5061 , G06F9/52 , G06F9/547 , G06F12/023 , G06F12/0253 , G06F17/30607 , H04L12/417 , H04L12/433 , H04L29/06 , H04L69/24 , Y10S707/99933 , Y10S707/99944 , Y10S707/99952 , Y10S707/99953 , Y10S707/99957
摘要： A method and system for leasing storage locations in a distributed processing system is provided. Consistent with this method and system, a client requests access to storage locations for a period of time (lease period) from a server, such as the file system manager. Responsive to this request, the server invokes a lease period algorithm, which considers various factors to determine a lease period during which time the client may access the storage locations. After a lease is granted, the server sends an object to the client that advises the client of the lease period and that provides the client with behavior to modify the lease, like canceling the lease or renewing the lease. The server supports concurrent leases, exact leases, and leases for various types of access. After all leases to a storage location expire, the server reclaims the storage location.
摘要翻译：提供了一种在分布式处理系统中租赁存储位置的方法和系统。与该方法和系统一致，客户机从服务器（例如文件系统管理器）请求对存储位置的访问一段时间（租赁期）。响应于该请求，服务器调用租约期算法，该算法考虑各种因素来确定客户端可以访问存储位置的租期。授予租赁后，服务器向客户端发送一个对客户建议租约期的对象，并向客户提供修改租约的行为，如取消租约或更新租约。服务器支持各种类型的访问的并发租约，确切的租赁和租赁。在所有租赁到存储位置到期后，服务器将回收存储位置。

23. 发明授权

US06247026B1 Method, apparatus, and product for leasing of delegation certificates in a distributed system 失效
标题翻译：在分布式系统中租赁授权证书的方法，设备和产品
公开(公告)号：US06247026B1
公开(公告)日：2001-06-12
申请号：US09044838
申请日：1998-03-20
申请人： James H. Waldo , Ann M. Wollrath , Robert Scheifler
发明人： James H. Waldo , Ann M. Wollrath , Robert Scheifler
IPC分类号： G06F1730
CPC分类号： H04L12/433 , G06F9/4411 , G06F9/465 , G06F9/468 , G06F9/50 , G06F9/5061 , G06F9/547 , G06F9/548 , G06F12/023 , G06F12/0253 , G06F12/0261 , G06F17/30607 , G06F2209/462 , H04L29/06 , H04L69/24 , Y10S707/99939 , Y10S707/99952 , Y10S707/99953 , Y10S707/99957
摘要： A method, apparatus, and product for leasing a delegation certificate in a distributed processing system is provided. Consistent with this method, apparatus, and product, a delegatee requests from a delegator access to a resource for a period of time that the delegator has authority to access. Responsive to this request, the delegator determines an appropriate lease period during which time the delegatee has authority to access to the resource.
摘要翻译：提供了一种在分布式处理系统中租赁授权证书的方法，设备和产品。与该方法，设备和产品一致，代理人请求代理机构访问资源一段时间，委托者有权访问。响应于此请求，代理人确定适当的租赁期，代理人有权访问资源。

24. 发明授权

US5999988A Method and apparatus for generating and employing a run-time generated stub to reference an object in object oriented systems 失效
标题翻译：用于生成和使用运行时生成的存根以引用面向对象系统中的对象的方法和装置
公开(公告)号：US5999988A
公开(公告)日：1999-12-07
申请号：US829861
申请日：1997-03-31
申请人： Eduardo Pelegri-Llopart , Graham Hamilton , Peter B. Kessler , James H. Waldo , Roger Riggs , Ann M. Wollrath
发明人： Eduardo Pelegri-Llopart , Graham Hamilton , Peter B. Kessler , James H. Waldo , Roger Riggs , Ann M. Wollrath
IPC分类号： G06F9/44 , G06F9/46
CPC分类号： G06F9/547 , G06F9/548
摘要： The method and apparatus for generating and employing a run-time generated stub to reference an object in an object oriented system. This method and apparatus represents in a first virtual machine a remote object implemented in a second virtual machine by employing a stub class. An object reference is sent by the second virtual machine and received by the first virtual machine. The object reference includes an interface descriptor that identifies the interface(s) of the remote object and an object handle that identifies the remote object. At run-time, the information associated with the remote object is transformed into a stub class that represents the remote object and implements only those interfaces identified by the interface descriptor and also defined by the first virtual machine. After the stub class is created, an instance of that stub class is generated and provided to the first virtual machine. In an alternative embodiment, an interface specific stub is created for each interface that is identified by the interface descriptor and defined by the first virtual machine. The interface specific stub is created at compile time. A delegator stub class is created at run-time that delegates to the interface specific stub(s).
摘要翻译：用于生成和使用运行时生成的存根以引用面向对象系统中的对象的方法和装置。该方法和装置在第一虚拟机中表示通过使用存根类在第二虚拟机中实现的远程对象。对象引用由第二虚拟机发送并由第一虚拟机接收。对象引用包括标识远程对象的接口的接口描述符和标识远程对象的对象句柄。在运行时，与远程对象相关联的信息被转换为表示远程对象的存根类，仅实现由接口描述符标识并由第一个虚拟机定义的那些接口。在创建存根类之后，将生成该存根类的实例，并将其提供给第一个虚拟机。在替代实施例中，为由接口描述符标识并由第一虚拟机定义的每个接口创建特定于接口的存根。特定于接口的存根是在编译时创建的。在运行时创建一个委托器存根类，委托给特定的存根（stub）。

25. 发明授权

US08713089B2 Dynamic lookup service in a distributed system 有权
标题翻译：分布式系统中的动态查找服务
公开(公告)号：US08713089B2
公开(公告)日：2014-04-29
申请号：US10408365
申请日：2003-04-08
申请人： Brian T. Murphy , Robert W. Scheifler , Zane Pan , James H. Waldo , Ann M. Wollrath , Kenneth C. R. C. Arnold
发明人： Brian T. Murphy , Robert W. Scheifler , Zane Pan , James H. Waldo , Ann M. Wollrath , Kenneth C. R. C. Arnold
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L67/16 , G06F9/465 , G06F9/505 , G06F9/5055 , G06F9/52 , G06F9/542 , G06F9/547 , G06F9/548 , G06F12/0261 , G06F17/30607 , G06F21/54 , G06F2209/462 , G06F2209/5015 , H04L12/2803 , H04L12/2805 , H04L12/2807 , H04L12/2809 , H04L12/40032 , H04L12/40169 , H04L12/403 , H04L12/417 , H04L29/06 , H04L67/10 , H04L67/26 , H04L67/2804 , H04L67/2842 , H04L67/40 , H04L67/42 , H04L69/24 , H04L69/329
摘要： An improved lookup service is provided that allows for the dynamic addition and deletion of services. This lookup service allows for the addition and deletion of services automatically, without user intervention. As a result, clients of the lookup service may continue using the lookup service and its associated services while the updates occur. Additionally, the lookup service provides a notification mechanism that can be used by clients to receive a notification when the lookup service is updated. By receiving such a notification, clients can avoid attempting to access a service that is no longer available and can make use of new services as soon as they are added to the lookup service.
摘要翻译：提供了一种改进的查找服务，允许动态添加和删除服务。此查找服务允许自动添加和删除服务，无需用户干预。结果，查找服务的客户端可以在更新发生时继续使用查找服务及其相关联的服务。另外，查找服务提供通知机制，客户端可以在更新查找服务时接收通知。通过接收到这样的通知，客户端可以避免尝试访问不再可用的服务，并且一旦添加到查找服务就可以使用新服务。

26. 发明授权

US06983285B2 Apparatus and method for dynamically verifying information in a distributed system 有权
公开(公告)号：US06983285B2
公开(公告)日：2006-01-03
申请号：US10141934
申请日：2002-05-10
申请人： Kenneth C. R. C. Arnold , Ann M. Wollrath , James H. Waldo
发明人： Kenneth C. R. C. Arnold , Ann M. Wollrath , James H. Waldo
IPC分类号： G06F17/30
CPC分类号： G06F9/4411 , G06F9/465 , H04L67/10 , Y10S707/955 , Y10S707/966 , Y10S707/99933 , Y10S707/99939 , Y10S707/99942 , Y10S707/99943 , Y10S707/99945 , Y10S707/99948 , Y10S707/99952
摘要： Use of a policy object for verification in a distributed system. A machine downloads a policy object containing a reference to code governing verification of data. The machine uses the reference to obtain the code and locally verify data or other information. As particular rules for the data change, the policy object may be updated to provide a reference to the code for the new rules when it is downloaded.

27. 发明授权

US06760736B2 Methods and systems for distributed failure detection and recovery using leasing techniques 有权
标题翻译：使用租赁技术进行分布式故障检测和恢复的方法和系统
公开(公告)号：US06760736B2
公开(公告)日：2004-07-06
申请号：US09739744
申请日：2000-12-20
申请人： James H. Waldo , Ann M. Wollrath , Robert Scheifler , Kenneth C. R. C. Arnold
发明人： James H. Waldo , Ann M. Wollrath , Robert Scheifler , Kenneth C. R. C. Arnold
IPC分类号： G06F1730
CPC分类号： G06F12/0261 , G06F9/4411 , G06F9/465 , G06F9/5011 , G06F9/5016 , G06F9/5022 , G06F9/5055 , G06F9/5061 , G06F9/52 , G06F9/547 , G06F12/023 , G06F12/0253 , G06F17/30607 , H04L12/417 , H04L12/433 , H04L29/06 , H04L69/24 , Y10S707/99933 , Y10S707/99944 , Y10S707/99952 , Y10S707/99953 , Y10S707/99957
摘要： A system for using a lease to detect a failure and to perform failure recovery is provided in using this system, a client requests a lease from a server to utilize a resource managed by the server for a period of time. Responsive to the request, the server grants the lease, and the client continually requests renewal of the lease. If the client fails to renew the lease, the server detects that an error has occurred to the client. Similarly, if the server fails to respond to a renew request, the client detects that an error has occurred to the server. As part of the lease establishment, the client and server exchange failure-recovery routines that each invokes if the other experiences a failure.
摘要翻译：在使用该系统时，提供了使用租赁来检测故障并执行故障恢复的系统，客户端请求服务器租用一段时间内由服务器管理的资源。响应请求，服务器授予租约，客户端不断要求续租。如果客户端无法续订租约，则服务器检测到客户端发生错误。类似地，如果服务器无法响应更新请求，客户端会检测到服务器发生错误。作为租赁建立的一部分，客户端和服务器交换故障恢复例程，如果其他用户遇到故障，它们将调用。

28. 发明授权

US06519615B1 Method and system for leasing storage 有权
公开(公告)号：US06519615B1
公开(公告)日：2003-02-11
申请号：US09690472
申请日：2000-10-18
申请人： Ann M. Wollrath , James H. Waldo , Kenneth C. R. C. Arnold
发明人： Ann M. Wollrath , James H. Waldo , Kenneth C. R. C. Arnold
IPC分类号： G06F1730
CPC分类号： G06F12/0261 , G06F9/4411 , G06F9/465 , G06F9/5011 , G06F9/5016 , G06F9/5022 , G06F9/5055 , G06F9/5061 , G06F9/52 , G06F9/547 , G06F12/023 , G06F12/0253 , G06F17/30607 , H04L12/417 , H04L12/433 , H04L29/06 , H04L69/24 , Y10S707/99933 , Y10S707/99944 , Y10S707/99952 , Y10S707/99953 , Y10S707/99957
摘要： A method and system for leasing storage locations in a distributed processing system is provided. Consistent with this method and system, a client requests access to storage locations for a period of time (lease period) from a server, such as the file system manager. Responsive to this request, the server invokes a lease period algorithm, which considers various factors to determine a lease period during which time the client may access the storage locations. After a lease is granted, the server sends an object to the client that advises the client of the lease period and that provides the client with behavior to modify the lease, like canceling the lease or renewing the lease. The server supports concurrent leases, exact leases, and leases for various types of access. After all leases to a storage location expire, the server reclaims the storage location.

29. 发明授权

US06466947B2 Apparatus and method for dynamically verifying information in a distributed system 失效
公开(公告)号：US06466947B2
公开(公告)日：2002-10-15
申请号：US09044932
申请日：1998-03-20
申请人： Kenneth C. R. C. Arnold , Ann M. Wollrath , James H. Waldo
发明人： Kenneth C. R. C. Arnold , Ann M. Wollrath , James H. Waldo
IPC分类号： G06F1700
CPC分类号： G06F9/4411 , G06F9/465 , H04L67/10 , Y10S707/955 , Y10S707/966 , Y10S707/99933 , Y10S707/99939 , Y10S707/99942 , Y10S707/99943 , Y10S707/99945 , Y10S707/99948 , Y10S707/99952
摘要： Use of a policy object for verification in a distributed system. A machine downloads a policy object containing a reference to code governing verification of data. The machine uses the reference to obtain the code and locally verify data or other information. As particular rules for the data change, the policy object may be updated to provide a reference to the code for the new rules when it is downloaded.

30. 发明授权

US06314435B1 Methods, apparatus, and product for distributed garbage collection 有权
公开(公告)号：US06314435B1
公开(公告)日：2001-11-06
申请号：US09152062
申请日：1998-09-11
申请人： Ann M. Wollrath , James H. Waldo , Roger Riggs
发明人： Ann M. Wollrath , James H. Waldo , Roger Riggs
IPC分类号： G06F1730
CPC分类号： G06F12/0261 , G06F9/4411 , G06F9/465 , G06F9/5011 , G06F9/5016 , G06F9/5022 , G06F9/5055 , G06F9/5061 , G06F9/52 , G06F9/547 , G06F12/023 , G06F12/0253 , G06F17/30607 , H04L12/417 , H04L12/433 , H04L29/06 , H04L69/24 , Y10S707/99933 , Y10S707/99944 , Y10S707/99952 , Y10S707/99953 , Y10S707/99957
摘要： In accordance with the present invention a process is provided for allocating and deallocating resources in a distributed processing system having a requester platform and a server platform. The process involves receiving a request from the requestor platform referring to a system resource and specifying a requested lease period, permitting shared access to the system resource for a lease period, sending a return call to the requestor platform advising of the lease period, and deallocating the system resource when the lease period expires.

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