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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. 发明授权

US08356294B2 Controlling and extending programmable network functions using a declarative approach 有权
标题翻译：使用声明式方法控制和扩展可编程网络功能
公开(公告)号：US08356294B2
公开(公告)日：2013-01-15
申请号：US11706581
申请日：2007-02-13
申请人： Kollivakkam Raghavan , Venkateswara Siramdas , Ramakrishna Reddy Kandula
发明人： Kollivakkam Raghavan , Venkateswara Siramdas , Ramakrishna Reddy Kandula
IPC分类号： G06F9/445 , G06F9/44
CPC分类号： H04L67/34
摘要： In an embodiment, a computer apparatus comprises a network interface; a processor; a packet forwarding unit; and instructions which when executed cause storing a first executable software module in computer storage; receiving and storing, in association with the first software module, a first human-readable declaration of one or more available extension points within the first software module; receiving and storing an extension software module that implements a particular one or more of the extension points; installing and executing the first software module and the extension software module; and invoking the extension software module when the particular extension point is reached during execution of the first software module. In an embodiment, a declaration of extension points enables extending a software module while running in a host, by registering an extension matching the extension points, yet the author of the extension does not need to access any code of the extended module.
摘要翻译：在一个实施例中，计算机装置包括网络接口; 处理器分组转发单元; 以及当执行时指示将第一可执行软件模块存储在计算机存储器中的指令; 与所述第一软件模块相关联地接收和存储所述第一软件模块内的一个或多个可用扩展点的第一人可读声明; 接收和存储实现特定一个或多个扩展点的扩展软件模块; 安装和执行第一个软件模块和扩展软件模块; 并且当在第一软件模块的执行期间到达特定扩展点时调用扩展软件模块。在一个实施例中，扩展点的声明允许在主机中运行时扩展软件模块，通过注册与扩展点相匹配的扩展，但是扩展的作者不需要访问扩展模块的任何代码。

3. 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。

4. 发明申请

US20080196010A1 Controlling and extending programmable network functions using a declarative approach 有权
标题翻译：使用声明式方法控制和扩展可编程网络功能
公开(公告)号：US20080196010A1
公开(公告)日：2008-08-14
申请号：US11706581
申请日：2007-02-13
申请人： Kollivakkam Raghavan , Venkateswara Siramdas , Ramakrishna Reddy Kandula
发明人： Kollivakkam Raghavan , Venkateswara Siramdas , Ramakrishna Reddy Kandula
IPC分类号： G06F9/44
CPC分类号： H04L67/34
摘要： In an embodiment, a computer apparatus comprises a network interface; a processor; a packet forwarding unit; and instructions which when executed cause storing a first executable software module in computer storage; receiving and storing, in association with the first software module, a first human-readable declaration of one or more available extension points within the first software module; receiving and storing an extension software module that implements a particular one or more of the extension points; installing and executing the first software module and the extension software module; and invoking the extension software module when the particular extension point is reached during execution of the first software module. In an embodiment, a declaration of extension points enables extending a software module while running in a host, by registering an extension matching the extension points, yet the author of the extension does not need to access any code of the extended module.
摘要翻译：在一个实施例中，计算机装置包括网络接口; 处理器分组转发单元; 以及当执行时指示将第一可执行软件模块存储在计算机存储器中的指令; 与所述第一软件模块相关联地接收和存储所述第一软件模块内的一个或多个可用扩展点的第一人可读声明; 接收和存储实现特定一个或多个扩展点的扩展软件模块; 安装和执行第一个软件模块和扩展软件模块; 并且当在第一软件模块的执行期间到达特定扩展点时调用扩展软件模块。在一个实施例中，扩展点的声明允许在主机中运行时扩展软件模块，通过注册与扩展点相匹配的扩展，但是扩展的作者不需要访问扩展模块的任何代码。

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