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1. 发明授权

US07941417B2 Processing structured electronic document streams using look-ahead automata 有权
标题翻译：使用前瞻自动机处理结构化电子文档流
公开(公告)号：US07941417B2
公开(公告)日：2011-05-10
申请号：US11971794
申请日：2008-01-09
申请人： Karempudi Ramarao , Krishna Sankar , Stanley Poon , Ramakrishna Reddy Kandula
发明人： Karempudi Ramarao , Krishna Sankar , Stanley Poon , Ramakrishna Reddy Kandula
IPC分类号： G06F17/30
CPC分类号： G06F17/2247 , G06F17/2258 , G06F17/30938
摘要： In an embodiment, an XPath automaton with state look-ahead capability can efficiently determine whether XML documents, received in a stream in serialized form in a network element, match any of a set of XPath expressions. A token processor receives a structured electronic document in serialized format and identifies entities. A name recognition engine recognizes names of elements of the document and recognizes names of attributes of the elements. A finite state automaton comprises states and transitions representing structural relationships among elements and attributes of structured path expressions and state look-ahead logic that is configured to output a final state when an entity matches one or more of the structured path expressions. The automaton performs state transitions resulting in reaching a specified final state if a match to an expression occurs.
摘要翻译：在一个实施例中，具有状态先行能力的XPath自动机可以有效地确定以网络元素中的串行形式的流中接收的XML文档是否匹配一组XPath表达式中的任何一个。令牌处理器以串行化格式接收结构化电子文档，并识别实体。名称识别引擎识别文档的元素的名称并识别元素的属性的名称。有限状态自动机包括表示结构化路径表达式的元素和属性之间的结构关系的状态和转移，以及被配置为当实体匹配一个或多个结构化路径表达式时输出最终状态的状态预先逻辑。如果与表达式匹配发生，则自动机执行状态转换，导致达到指定的最终状态。

2. 发明申请

US20070005786A1 XML message validation in a network infrastructure element 有权
标题翻译：网络基础架构元素中的XML消息验证
公开(公告)号：US20070005786A1
公开(公告)日：2007-01-04
申请号：US11472796
申请日：2006-06-21
申请人： Sandeep Kumar , Karempudi Ramarao , Yuquan Jiang , Yi Jin , Tefcros Anthias
发明人： Sandeep Kumar , Karempudi Ramarao , Yuquan Jiang , Yi Jin , Tefcros Anthias
IPC分类号： G06F15/16
CPC分类号： H04L67/02 , G06F8/656 , G06F2221/2141 , H04L29/06 , H04L41/026 , H04L41/06 , H04L41/0893 , H04L41/12 , H04L41/22 , H04L41/5003 , H04L41/5009 , H04L41/5012 , H04L41/5096 , H04L43/0811 , H04L45/00 , H04L45/56 , H04L45/563 , H04L63/0245 , H04L63/0428 , H04L63/08 , H04L63/102 , H04L63/12 , H04L67/34 , H04L69/22
摘要： A network infrastructure element such as a router or switch performs transparent and optimized validation of XML schemas of XML payloads received in the network element. The network element comprises logic for receiving and storing one or more validation scope rules that define a portion of an extensible markup language (XML) schema for validation; receiving and storing the XML schema; receiving over the network an application-layer message comprising one or more of the packets; identifying a particular XML element in an XML payload of the application-layer message, wherein the particular XML element is within the portion of the XML schema defined in the one or more validation scope rules; determining whether the particular XML element conforms to the XML schema; and performing a responsive action based on whether the particular XML element conforms to the XML schema.
摘要翻译：网络基础设施元素（如路由器或交换机）对网元中接收的XML有效负载的XML模式进行透明和优化的验证。网络元件包括用于接收和存储定义可扩展标记语言（XML）模式的一部分以进行验证的一个或多个验证范围规则的逻辑; 接收和存储XML模式; 通过网络接收包括一个或多个分组的应用层消息; 识别应用层消息的XML有效载荷中的特定XML元素，其中所述特定XML元素在所述一个或多个验证范围规则中定义的所述XML模式的部分内; 确定特定的XML元素是否符合XML模式; 以及基于所述特定XML元素是否符合所述XML模式来执行响应动作。

3. 发明申请

US20050091589A1 Hardware/software partition for high performance structured data transformation 有权
标题翻译：用于高性能结构化数据转换的硬件/软件分区
公开(公告)号：US20050091589A1
公开(公告)日：2005-04-28
申请号：US10889614
申请日：2004-07-12
申请人： Karempudi Ramarao
发明人： Karempudi Ramarao
IPC分类号： G06F17/22 , G06F17/30 , G06F17/00
CPC分类号： G06F17/2247 , G06F17/227 , Y10S707/99936
摘要： An apparatus comprises a computer accessible medium encoded with a plurality of instructions which, when executed, compile a stylesheet into one or more data structures, and a hardware circuit coupled to receive the data structures and a document. The hardware circuit is configured to perform at least a portion of transforming the document as specified in the stylesheet using the data structures.
摘要翻译：一种装置包括用多个指令编码的计算机可访问介质，当执行时，将样式表编译成一个或多个数据结构，以及耦合以接收数据结构和文档的硬件电路。硬件电路被配置为执行使用数据结构来转换样式表中指定的文档的至少一部分。

4. 发明申请

US20050091588A1 Device for structured data transformation 有权
标题翻译：用于结构化数据转换的设备
公开(公告)号：US20050091588A1
公开(公告)日：2005-04-28
申请号：US10889547
申请日：2004-07-12
申请人： Karempudi Ramarao , Richard Trujillo , Daniel Cermak
发明人： Karempudi Ramarao , Richard Trujillo , Daniel Cermak
IPC分类号： G06F17/30 , G06F17/00
CPC分类号： G06F17/30569 , G06F17/30908
摘要： An apparatus comprises a parse circuit and an expression processor. Coupled to receive a document, the parse circuit is configured to parse the document and generate events corresponding to the parsing. Coupled to receive the events from the parse circuit, the expression processor is configured to apply nodes identified by the events to one or more expression trees derived from a plurality of expressions in a stylesheet. The expression processor identifies nodes that satisfy the expressions represented in the one or more expression trees as a result of applying the nodes to the one or more expression trees. A method is contemplated. Each expression in a stylesheet is characterized as evaluatable at one of a plurality of phases of applying the stylesheet to a document in a document transformation appliance. Each expression is applied to the document in the one of the plurality of phases determined in the characterizing.
摘要翻译：一种装置包括解析电路和表达式处理器。耦合为接收文档，解析电路被配置为解析文档并生成与解析相对应的事件。耦合以从解析电路接收事件，表达式处理器被配置为将由事件标识的节点应用于从样式表中的多个表达式导出的一个或多个表达式树。作为将节点应用于一个或多个表达式树的结果，表达式处理器识别满足一个或多个表达式树中表示的表达式的节点。考虑一种方法。样式表中的每个表达式的特征在于将样式表应用于文档转换装置中的文档的多个阶段中的一个可评估。将每个表达式应用于在表征中确定的多个阶段之一中的文档。

5. 发明授权

US08266224B2 Application gateway device 有权
标题翻译：应用网关设备
公开(公告)号：US08266224B2
公开(公告)日：2012-09-11
申请号：US12128852
申请日：2008-05-29
申请人： Karempudi Ramarao , Pranta Das
发明人： Karempudi Ramarao , Pranta Das
IPC分类号： G06F15/16
CPC分类号： G06Q10/10
摘要： In an embodiment, a data processing system comprises application workflow optimizing logic and which when executed is operable to receive first workflow data that defines a sequence of processing operations to perform on an application-layer message; rewrite the first workflow data by separation of dependent update operations to result in creating rewritten workflow data; and store the rewritten workflow data in a data repository. Application gateway logic may be operable to receive one or more packets; construct a received message from one or more payloads of the packets; classify the received message to identify a particular workflow associated with the message; apply the particular workflow, using the rewritten workflow data, to the received message to result in identifying a destination application server and creating an outgoing message; send the outgoing message to the destination application server.
摘要翻译：在一个实施例中，数据处理系统包括应用程序工作流优化逻辑，当被执行时可操作以接收定义要在应用层消息上执行的一系列处理操作的第一工作流数据; 通过分离依赖更新操作来重写第一个工作流数据，从而创建重写的工作流数据; 并将重写的工作流数据存储在数据存储库中。应用网关逻辑可以可操作以接收一个或多个分组; 从分组的一个或多个有效载荷构建接收到的消息; 对接收到的消息进行分类，以识别与消息相关联的特定工作流; 使用重写的工作流数据将特定工作流应用于所接收的消息，以导致识别目的地应用服务器并创建传出消息; 将传出的消息发送到目标应用服务器。

6. 发明授权

US08549171B2 Method and apparatus for high-speed processing of structured application messages in a network device 有权
标题翻译：用于在网络设备中高速处理结构化应用消息的方法和装置
公开(公告)号：US08549171B2
公开(公告)日：2013-10-01
申请号：US11089794
申请日：2005-03-24
申请人： Karempudi Ramarao , Tefcros Anthias , Sunil Potti , Sandeep Kumar , Stephen Cho , Alex Yiu-Man Chan , Yi Jin , Ricky Ho
发明人： Karempudi Ramarao , Tefcros Anthias , Sunil Potti , Sandeep Kumar , Stephen Cho , Alex Yiu-Man Chan , Yi Jin , Ricky Ho
IPC分类号： G06F15/173
CPC分类号： H04L51/00 , G06F9/546 , H04L69/08
摘要： A method is disclosed for high-speed processing of structured application messages in a network device. According to one aspect, a network device receives a set of message classification rules that have been prepared beforehand by a system administrator or customer. The system analyzes the message classification rules to determine what part(s) of the message are necessary to classify a message according to the message classification rules. This allows the system to consider only the relevant parts of the message and ignore the rest of the message. The system extracts the portion of the message necessary for classifying the message and classifies the message using the values of the extracted information and the message classification rules. A unique sequence of operations is implied by the message classification and those operations must then be applied to the message.
摘要翻译：公开了一种用于在网络设备中高速处理结构化应用消息的方法。根据一个方面，网络设备接收由系统管理员或客户预先准备的一组消息分类规则。系统分析消息分类规则，以根据消息分类规则确定消息的哪些部分是必要的，以对消息进行分类。这允许系统仅考虑消息的相关部分，并忽略消息的其余部分。系统提取消息分类所需的部分，并使用提取的信息和消息分类规则的值对消息进行分类。消息分类暗示了唯一的操作序列，然后必须将这些操作应用于消息。

7. 发明授权

US08090839B2 XML message validation in a network infrastructure element 有权
标题翻译：网络基础架构元素中的XML消息验证
公开(公告)号：US08090839B2
公开(公告)日：2012-01-03
申请号：US11472796
申请日：2006-06-21
申请人： Sandeep Kumar , Karempudi Ramarao , Yuquan Jiang , Yi Jin , Tefcros Anthias
发明人： Sandeep Kumar , Karempudi Ramarao , Yuquan Jiang , Yi Jin , Tefcros Anthias
IPC分类号： G06F15/16 , H04L12/28
CPC分类号： H04L67/02 , G06F8/656 , G06F2221/2141 , H04L29/06 , H04L41/026 , H04L41/06 , H04L41/0893 , H04L41/12 , H04L41/22 , H04L41/5003 , H04L41/5009 , H04L41/5012 , H04L41/5096 , H04L43/0811 , H04L45/00 , H04L45/56 , H04L45/563 , H04L63/0245 , H04L63/0428 , H04L63/08 , H04L63/102 , H04L63/12 , H04L67/34 , H04L69/22
摘要： A network infrastructure element such as a router or switch performs transparent and optimized validation of XML schemas of XML payloads received in the network element. The network element comprises logic for receiving and storing one or more validation scope rules that define a portion of an extensible markup language (XML) schema for validation; receiving and storing the XML schema; receiving over the network an application-layer message comprising one or more of the packets; identifying a particular XML element in an XML payload of the application-layer message, wherein the particular XML element is within the portion of the XML schema defined in the one or more validation scope rules; determining whether the particular XML element conforms to the XML schema; and performing a responsive action based on whether the particular XML element conforms to the XML schema.
摘要翻译：网络基础设施元素（如路由器或交换机）对网元中接收的XML有效负载的XML模式进行透明和优化的验证。网络元件包括用于接收和存储定义可扩展标记语言（XML）模式的一部分以进行验证的一个或多个验证范围规则的逻辑; 接收和存储XML模式; 通过网络接收包括一个或多个分组的应用层消息; 识别应用层消息的XML有效载荷中的特定XML元素，其中所述特定XML元素在所述一个或多个验证范围规则中定义的所述XML模式的部分内; 确定特定的XML元素是否符合XML模式; 以及基于所述特定XML元素是否符合所述XML模式来执行响应动作。

8. 发明申请

US20090300116A1 APPLICATION GATEWAY DEVICE 有权
标题翻译：应用网关设备
公开(公告)号：US20090300116A1
公开(公告)日：2009-12-03
申请号：US12128852
申请日：2008-05-29
申请人： Karempudi Ramarao , Pranta Das
发明人： Karempudi Ramarao , Pranta Das
IPC分类号： G06F9/46 , G06F15/16
CPC分类号： G06Q10/10
摘要： In an embodiment, a data processing system comprises application workflow optimizing logic and which when executed is operable to receive first workflow data that defines a sequence of processing operations to perform on an application-layer message; rewrite the first workflow data by separation of dependent update operations to result in creating rewritten workflow data; and store the rewritten workflow data in a data repository. Application gateway logic may be operable to receive one or more packets; construct a received message from one or more payloads of the packets; classify the received message to identify a particular workflow associated with the message; apply the particular workflow, using the rewritten workflow data, to the received message to result in identifying a destination application server and creating an outgoing message; send the outgoing message to the destination application server.
摘要翻译：在一个实施例中，数据处理系统包括应用程序工作流优化逻辑，当被执行时可操作以接收定义要在应用层消息上执行的一系列处理操作的第一工作流数据; 通过分离依赖更新操作来重写第一个工作流数据，从而创建重写的工作流数据; 并将重写的工作流数据存储在数据存储库中。应用网关逻辑可以可操作以接收一个或多个分组; 从分组的一个或多个有效载荷构建接收到的消息; 对接收到的消息进行分类，以识别与消息相关联的特定工作流; 使用重写的工作流数据将特定工作流应用于所接收的消息，以导致识别目的地应用服务器并创建传出消息; 将传出的消息发送到目标应用服务器。

9. 发明申请

US20090177669A1 PROCESSING STRUCTURED ELECTRONIC DOCUMENT STREAMS USING LOOK-AHEAD AUTOMATA 有权
标题翻译：使用LOOK-AHEAD AUTOMATA处理结构化电子文档流程
公开(公告)号：US20090177669A1
公开(公告)日：2009-07-09
申请号：US11971794
申请日：2008-01-09
申请人： Karempudi Ramarao , Krishna Sankar , Stanley Poon , Ramakrishna Reddy Kandula
发明人： Karempudi Ramarao , Krishna Sankar , Stanley Poon , Ramakrishna Reddy Kandula
IPC分类号： G06F17/00
CPC分类号： G06F17/2247 , G06F17/2258 , G06F17/30938
摘要： In an embodiment, an XPath automaton with state look-ahead capability can efficiently determine whether XML documents, received in a stream in serialized form in a network element, match any of a set of XPath expressions. A token processor receives a structured electronic document in serialized format and identifies entities. A name recognition engine recognizes names of elements of the document and recognizes names of attributes of the elements. A finite state automaton comprises states and transitions representing structural relationships among elements and attributes of structured path expressions and state look-ahead logic that is configured to output a final state when an entity matches one or more of the structured path expressions. The automaton performs state transitions resulting in reaching a specified final state if a match to an expression occurs.
摘要翻译：在一个实施例中，具有状态先行能力的XPath自动机可以有效地确定以网络元素中的串行形式的流中接收的XML文档是否匹配一组XPath表达式中的任何一个。令牌处理器以串行化格式接收结构化电子文档，并识别实体。名称识别引擎识别文档的元素的名称并识别元素的属性的名称。有限状态自动机包括表示结构化路径表达式的元素和属性之间的结构关系的状态和转移，以及被配置为当实体匹配一个或多个结构化路径表达式时输出最终状态的状态预先逻辑。如果与表达式匹配发生，则自动机执行状态转换，导致达到指定的最终状态。

10. 发明申请

US20060123425A1 Method and apparatus for high-speed processing of structured application messages in a network device 有权
公开(公告)号：US20060123425A1
公开(公告)日：2006-06-08
申请号：US11089794
申请日：2005-03-24
申请人： Karempudi Ramarao , Tefcros Anthias , Sunil Potti , Sandeep Kumar , Stephen Cho , Alex Chan , Yi Jin , Ricky Ho
发明人： Karempudi Ramarao , Tefcros Anthias , Sunil Potti , Sandeep Kumar , Stephen Cho , Alex Chan , Yi Jin , Ricky Ho
IPC分类号： G06F9/46
CPC分类号： H04L51/00 , G06F9/546 , H04L69/08
摘要： A method is disclosed for high-speed processing of structured application messages in a network device. According to one aspect, a network device receives a set of message classification rules that have been prepared beforehand by a system administrator or customer. The system analyzes the message classification rules to determine what part(s) of the message are necessary to classify a message according to the message classification rules. This allows the system to consider only the relevant parts of the message and ignore the rest of the message. The system extracts the portion of the message necessary for classifying the message and classifies the message using the values of the extracted information and the message classification rules. A unique sequence of operations is implied by the message classification and those operations must then be applied to the message.

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