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公开(公告)号：US07254634B1
公开(公告)日：2007-08-07
申请号：US10384824
申请日：2003-03-10
IPC分类号： G06F15/16
CPC分类号： H04L67/1095 , G06F11/203 , G06F11/2097 , H04L67/14 , H04L67/142 , H04L67/148
摘要： Business applications running on a content delivery network (CDN) having a distributed application framework can create, access and modify state for each client. Over time, a single client may desire to access a given application on different CDN edge servers within the same region and even across different regions. Each time, the application may need to access the latest “state” of the client even if the state was last modified by an application on a different server. A difficulty arises when a process or a machine that last modified the state dies or is temporarily or permanently unavailable. The present invention provides techniques for migrating session state data across CDN servers in a manner transparent to the user. A distributed application thus can access a latest “state” of a client even if the state was last modified by an application instance executing on a different CDN server, including a nearby (in-region) or a remote (out-of-region) server.
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2.发明授权Managing web tier session state objects in a content delivery network (CDN) 有权管理内容传送网络（CDN）中的Web层会话状态对象公开(公告)号：US08438291B2
公开(公告)日：2013-05-07
申请号：US12843278
申请日：2010-07-26
IPC分类号： G06F15/16 , G06F15/177 , G06F15/173
CPC分类号： H04L67/1095 , G06F11/203 , G06F11/2097 , H04L67/14 , H04L67/142 , H04L67/148
摘要： Business applications running on a content delivery network (CDN) having a distributed application framework can create, access and modify state for each client. Over time, a single client may desire to access a given application on different CDN edge servers within the same region and even across different regions. Each time, the application may need to access the latest “state” of the client even if the state was last modified by an application on a different server. A difficulty arises when a process or a machine that last modified the state dies or is temporarily or permanently unavailable. The present invention provides techniques for migrating session state data across CDN servers in a manner transparent to the user. A distributed application thus can access a latest “state” of a client even if the state was last modified by an application instance executing on a different CDN server, including a nearby (in-region) or a remote (out-of-region) server.
摘要翻译： 在具有分布式应用程序框架的内容传送网络（CDN）上运行的业务应用程序可以为每个客户端创建，访问和修改状态。 随着时间的推移，单个客户端可能希望访问同一区域内甚至跨不同区域的不同CDN边缘服务器上的给定应用。 每次应用程序可能需要访问客户端的最新“状态”，即使该状态最后被不同服务器上的应用程序修改。 当最后修改状态的过程或机器死亡或临时或永久不可用时，会出现困难。 本发明提供了以对用户透明的方式跨CDN服务器迁移会话状态数据的技术。 因此，分布式应用程序可以访问客户端的最新“状态”，即使状态最后由在不同的CDN服务器上执行的应用程序实例进行修改，包括附近（区域内）或远程（区域外） 服务器。
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3.发明申请Managing web tier session state objects in a content delivery network (CDN) 有权管理内容传送网络（CDN）中的Web层会话状态对象公开(公告)号：US20100293281A1
公开(公告)日：2010-11-18
申请号：US12843278
申请日：2010-07-26
IPC分类号： G06F15/16
CPC分类号： H04L67/1095 , G06F11/203 , G06F11/2097 , H04L67/14 , H04L67/142 , H04L67/148
摘要： Business applications running on a content delivery network (CDN) having a distributed application framework can create, access and modify state for each client. Over time, a single client may desire to access a given application on different CDN edge servers within the same region and even across different regions. Each time, the application may need to access the latest “state” of the client even if the state was last modified by an application on a different server. A difficulty arises when a process or a machine that last modified the state dies or is temporarily or permanently unavailable. The present invention provides techniques for migrating session state data across CDN servers in a manner transparent to the user. A distributed application thus can access a latest “state” of a client even if the state was last modified by an application instance executing on a different CDN server, including a nearby (in-region) or a remote (out-of-region) server.
摘要翻译： 在具有分布式应用程序框架的内容传送网络（CDN）上运行的业务应用程序可以为每个客户端创建，访问和修改状态。 随着时间的推移，单个客户端可能希望访问同一区域内甚至跨不同区域的不同CDN边缘服务器上的给定应用。 每次应用程序可能需要访问客户端的最新“状态”，即使该状态最后被不同服务器上的应用程序修改。 当最后修改状态的过程或机器死亡或临时或永久不可用时，会出现困难。 本发明提供了以对用户透明的方式跨CDN服务器迁移会话状态数据的技术。 因此，分布式应用程序可以访问客户端的最新“状态”，即使状态最后由在不同的CDN服务器上执行的应用程序实例进行修改，包括附近（区域内）或远程（区域外） 服务器。
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公开(公告)号：US07765304B2
公开(公告)日：2010-07-27
申请号：US11834042
申请日：2007-08-06
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L67/1095 , G06F11/203 , G06F11/2097 , H04L67/14 , H04L67/142 , H04L67/148
摘要： Business applications running on a content delivery network (CDN) having a distributed application framework can create, access and modify state for each client. Over time, a single client may desire to access a given application on different CDN edge servers within the same region and even across different regions. Each time, the application may need to access the latest “state” of the client even if the state was last modified by an application on a different server. A difficulty arises when a process or a machine that last modified the state dies or is temporarily or permanently unavailable. The present invention provides techniques for migrating session state data across CDN servers in a manner transparent to the user. A distributed application thus can access a latest “state” of a client even if the state was last modified by an application instance executing on a different CDN server, including a nearby (in-region) or a remote (out-of-region) server.
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5.发明授权公开(公告)号：US08392912B2
公开(公告)日：2013-03-05
申请号：US11584974
申请日：2006-10-23
申请人： Andrew Thomas Davis , Jay Parikh , Srinivasan Pichai , Eddie Ruvinsky , Daniel Stodolsky , Mark Tsimelzon , William E. Weihl
发明人： Andrew Thomas Davis , Jay Parikh , Srinivasan Pichai , Eddie Ruvinsky , Daniel Stodolsky , Mark Tsimelzon , William E. Weihl
IPC分类号： G06F9/445
CPC分类号： H04L67/1008 , H04L63/0227 , H04L67/02 , H04L67/10 , H04L67/1002 , H04L67/101 , H04L67/2804 , H04L67/2819 , H04L67/2842 , H04L67/288 , H04L67/34 , H04L69/329
摘要： An application deployment model for enterprise applications to enable applications to be deployed to and executed from a globally distributed computing platform, such as an Internet content delivery network (CDN). According to the invention, application developers separate their Web application into two layers: a highly distributed edge layer and a centralized origin layer. In a representative embodiment, the edge layer supports a servlet container that executes a Web tier, typically the presentation layer of a given Java-based application. Where necessary, the edge layer communicates with code running on an origin server to respond to a given request. In an alternative embodiment, the edge layer supports a more fully-provisioned application server that executes both Web tier (e.g., presentation) and Enterprise tier application (e.g., business logic) components. In either case, the inventive framework enables one or more different applications to be deployed to and executed from the edge server on behalf of one or more respective entities.
摘要翻译： 用于企业应用程序的应用程序部署模型，以使应用程序能够部署到全球分布式计算平台（如Internet内容传送网络（CDN））上并从其执行。 根据本发明，应用程序开发人员将其Web应用程序分为两层：高度分布的边缘层和集中的起始层。 在代表性的实施例中，边缘层支持执行Web层的servlet容器，通常是给定基于Java的应用程序的表示层。 必要时，边缘层与原始服务器上运行的代码进行通信，以响应给定的请求。 在替代实施例中，边缘层支持执行Web层（例如，呈现）和企业层应用（例如，业务逻辑）组件的更全面配置的应用服务器。 在任一种情况下，本发明的框架使一个或多个不同的应用程序能够代表一个或多个相应的实体部署到边缘服务器并从边缘服务器执行。
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公开(公告)号：US07127713B2
公开(公告)日：2006-10-24
申请号：US10340206
申请日：2003-01-10
申请人： Andrew Thomas Davis , Jay Parikh , Srinivasan Pichai , Eddie Ruvinsky , Daniel Stodolsky , Mark Tsimelzon , William E. Weihl
发明人： Andrew Thomas Davis , Jay Parikh , Srinivasan Pichai , Eddie Ruvinsky , Daniel Stodolsky , Mark Tsimelzon , William E. Weihl
IPC分类号： G06F9/445
CPC分类号： H04L67/1008 , H04L63/0227 , H04L67/02 , H04L67/10 , H04L67/1002 , H04L67/101 , H04L67/2804 , H04L67/2819 , H04L67/2842 , H04L67/288 , H04L67/34 , H04L69/329
摘要： An application deployment model for enterprise applications to enable such applications to be deployed to and executed from a globally distributed computing platform, such as an Internet content delivery network (CDN). According to the invention, application developers separate their Web application into two layers: a highly distributed edge layer and a centralized origin layer. In a representative embodiment, the edge layer supports a servlet container that executes a Web tier, typically the presentation layer of a given Java-based application. Where necessary, the edge layer communicates with code running on an origin server to respond to a given request. In an alternative embodiment, the edge layer supports a more fully-provisioned application server that executes both Web tier (e.g., presentation) and Enterprise tier application (e.g., business logic) components. In either case, the inventive framework enables one or more different applications to be deployed to and executed from the edge server on behalf of one or more respective entities.
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7.发明申请Managing web tier session state objects in a content delivery network (CDN) 有权管理内容传送网络（CDN）中的Web层会话状态对象公开(公告)号：US20070271385A1
公开(公告)日：2007-11-22
申请号：US11834042
申请日：2007-08-06
申请人： Andrew Davis , Jay Parikh , Srikanth Thirumalai , William Weihl , Mark Tsimelzon
发明人： Andrew Davis , Jay Parikh , Srikanth Thirumalai , William Weihl , Mark Tsimelzon
IPC分类号： G06F15/16
CPC分类号： H04L67/1095 , G06F11/203 , G06F11/2097 , H04L67/14 , H04L67/142 , H04L67/148
摘要： Business applications running on a content delivery network (CDN) having a distributed application framework can create, access and modify state for each client. Over time, a single client may desire to access a given application on different CDN edge servers within the same region and even across different regions. Each time, the application may need to access the latest “state” of the client even if the state was last modified by an application on a different server. A difficulty arises when a process or a machine that last modified the state dies or is temporarily or permanently unavailable. The present invention provides techniques for migrating session state data across CDN servers in a manner transparent to the user. A distributed application thus can access a latest “state” of a client even if the state was last modified by an application instance executing on a different CDN server, including a nearby (in-region) or a remote (out-of-region) server.
摘要翻译： 在具有分布式应用程序框架的内容传送网络（CDN）上运行的业务应用程序可以为每个客户端创建，访问和修改状态。 随着时间的推移，单个客户端可能希望访问同一区域内甚至跨不同区域的不同CDN边缘服务器上的给定应用。 每次应用程序可能需要访问客户端的最新“状态”，即使该状态最后被不同服务器上的应用程序修改。 当最后修改状态的过程或机器死亡或临时或永久不可用时，会出现困难。 本发明提供了以对用户透明的方式跨CDN服务器迁移会话状态数据的技术。 因此，分布式应用程序可以访问客户端的最新“状态”，即使状态最后由在不同的CDN服务器上执行的应用程序实例进行修改，包括附近（区域内）或远程（区域外） 服务器。
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8.发明申请公开(公告)号：US20070038994A1
公开(公告)日：2007-02-15
申请号：US11584974
申请日：2006-10-23
申请人： Andrew Davis , Jay Parikh , Srinivasan Pichai , Eddie Ruvinsky , Daniel Stodolsky , Mark Tsimelzon , William Weihl
发明人： Andrew Davis , Jay Parikh , Srinivasan Pichai , Eddie Ruvinsky , Daniel Stodolsky , Mark Tsimelzon , William Weihl
IPC分类号： G06F9/445
CPC分类号： H04L67/1008 , H04L63/0227 , H04L67/02 , H04L67/10 , H04L67/1002 , H04L67/101 , H04L67/2804 , H04L67/2819 , H04L67/2842 , H04L67/288 , H04L67/34 , H04L69/329
摘要： An application deployment model for enterprise applications to enable applications to be deployed to and executed from a globally distributed computing platform, such as an Internet content delivery network (CDN). According to the invention, application developers separate their Web application into two layers: a highly distributed edge layer and a centralized origin layer. In a representative embodiment, the edge layer supports a servlet container that executes a Web tier, typically the presentation layer of a given Java-based application. Where necessary, the edge layer communicates with code running on an origin server to respond to a given request. In an alternative embodiment, the edge layer supports a more fully-provisioned application server that executes both Web tier (e.g., presentation) and Enterprise tier application (e.g., business logic) components. In either case, the inventive framework enables one or more different applications to be deployed to and executed from the edge server on behalf of one or more respective entities.
摘要翻译： 用于企业应用程序的应用程序部署模型，以使应用程序能够部署到全球分布式计算平台（如Internet内容传送网络（CDN））上并从其执行。 根据本发明，应用程序开发人员将其Web应用程序分为两层：高度分布的边缘层和集中的起始层。 在代表性的实施例中，边缘层支持执行Web层的servlet容器，通常是给定基于Java的应用程序的表示层。 必要时，边缘层与原始服务器上运行的代码进行通信，以响应给定的请求。 在替代实施例中，边缘层支持执行Web层（例如，呈现）和企业层应用（例如，业务逻辑）组件的更全面配置的应用服务器。 在任一种情况下，本发明的框架使一个或多个不同的应用程序能够代表一个或多个相应的实体部署到边缘服务器并从边缘服务器执行。
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9.发明授权Method for obtaining repeatable and predictable output results in a continuous processing system 有权在连续处理系统中获得可重复和可预测输出的方法公开(公告)号：US08539502B1
公开(公告)日：2013-09-17
申请号：US11787912
申请日：2007-04-18
CPC分类号： G06F9/546 , G06F2209/548
摘要： The present invention provides a method for obtaining predicable and repeatable output results in a continuous processing system. The method involves processing messages and primitives in accordance with the following rules: (1) Messages are processed in accordance with timestamps, where messages are divided up into “time slices”; (2) message order within a data stream is preserved among messages with the same time stamp; (3) subject to rule #4, for each time slice, a primitive is executed when either the messages within such time slice show up in the input stream for such primitive or the state of the window immediately preceding such primitive changes due to messages within such time slice; and (4) for each time slice, primitives that are dependent on one or more upstream primitives are not executed until such upstream primitives have finished executing messages in such time slice that are queued for processing. If such rules are insufficient to determine the order in which primitives are processed, a deterministic “tie-breaking” rule is then applied.
摘要翻译： 本发明提供一种在连续处理系统中获得可预测和可重复的输出结果的方法。 该方法涉及根据以下规则处理消息和原语：（1）消息根据时间戳进行处理，消息被划分为“时间片”; （2）在具有相同时间戳的消息之间保留数据流内的消息顺序; （3）根据规则＃4，对于每个时间片，当在这样的时间片内的消息在这样的原语的输入流中显示时，或者由于由于消息内部的消息紧接在这样的原始改变之前的窗口的状态，执行原语 这样的时间片; 和（4）对于每个时间片，依赖于一个或多个上游基元的原语不被执行，直到这些上游原语已经完成在排队等待处理的时间片中执行消息。 如果这些规则不足以确定原语被处理的顺序，则应用确定性的“打破破产”规则。
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10.发明授权Method for guaranteeing processing of messages in a continuous processing system 有权确保连续处理系统中消息处理的方法公开(公告)号：US07818757B1
公开(公告)日：2010-10-19
申请号：US11487796
申请日：2006-07-17
CPC分类号： G06F11/1438 , G06F9/546 , G06F11/1474
摘要： A method for processing messages ensures that every message that enters a continuous processing system is fully processed in its entirety, even in the event of a failure within the system. Messages are pushed through an execution plan that includes a set of connected “primitives” that process the message, where the primitives may be distributed across a group of servers. Messages are pushed through in accordance with a protocol that does not permit unprocessed messages to be permanently lost as they travel from input sources, between primitives, and to output sources within the execution plan. The input queue, output queue, and state (if any) associated with each primitive are saved in persistent storage at select checkpoints. If a failure occurs on a server, the server, after it starts up again, restores the primitives on that server to the input queues, output queues, and states saved at the last applicable checkpoint.
摘要翻译： 处理消息的方法确保进入连续处理系统的每个消息都被完全处理，即使在系统内发生故障的情况下也是如此。 消息被推送通过执行计划，包括一组处理消息的连接的“原语”，其中原语可以分布在一组服务器上。 消息按照协议进行推送，该协议不允许未处理的消息在输入源，原语之间以及执行计划中的输出源之间永久丢失。 与每个基元相关联的输入队列，输出队列和状态（如果有）保存在选定检查点的持久存储器中。 如果服务器发生故障，则服务器再次启动后，将该服务器上的原语恢复到上次适用检查点保存的输入队列，输出队列和状态。
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