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    • 11. 发明授权
    • Method and system for parallel flow-awared pattern matching
    • 并行流感知模式匹配的方法和系统
    • US08260801B2
    • 2012-09-04
    • US12109666
    • 2008-04-25
    • Bo FengHong Bin LuKai Zheng
    • Bo FengHong Bin LuKai Zheng
    • G06F7/00
    • G06K9/00993
    • A system for parallel flow-awared pattern matching and a method thereof for performing distributed detection for incoming flows are provided. The system includes a pattern-set-partitioner for partitioning a pattern set for pattern matching into a number of pattern subsets in advance, a plurality of pattern matching engines, and a scheduler. The pattern matching engines each perform pattern matching for the incoming flows. The scheduler selects a number of pattern matching engines equal to the number of the partitioned pattern subsets from all the pattern matching engines and allocates pattern matching tasks, each performing flow matching against one pattern subset, to the selected pattern matching engines. With the system and method of the present invention, distributed detection can be performed by partitioning rules/pattern set to realize load-balancing parallel flow-awared pattern matching.
    • 提供了一种用于并行流感知模式匹配的系统及其用于对输入流进行分布式检测的方法。 该系统包括用于将用于模式匹配的模式集预先划分为多个模式子集的模式集分割器,多个模式匹配引擎和调度器。 模式匹配引擎各自为输入流执行模式匹配。 调度器从所有模式匹配引擎中选择等于分割模式子集的数目的多个模式匹配引擎,并且分配模式匹配任务,每个模式匹配任务对所选模式匹配引擎执行与一个模式子集的流匹配。 利用本发明的系统和方法,可以通过划分规则/模式集来实现分布式检测,以实现负载平衡并行流感知模式匹配。
    • 12. 发明授权
    • Rule set partitioning based packet classification method for internet
    • 用于互联网的规则集划分的分组分类方法
    • US07747553B2
    • 2010-06-29
    • US11343991
    • 2006-01-31
    • Zhi Yong LiangYonghua LinKai ZhengYi GeYan Qi Wang
    • Zhi Yong LiangYonghua LinKai ZhengYi GeYan Qi Wang
    • G06F17/00G06N5/02
    • H04L45/48H04L45/745H04L47/2441H04L69/22
    • The present invention provides a rule set partitioning based packet classification method for Internet. The method comprising: performing Horizontal Cut for the rule set, determining the field for partitioning a rule layer based on a target algorithm and selecting the partition manner of the Horizontal Cut, performing Horizontal Cut according to the selected partition manner of the Horizontal Cut, thereby obtaining more than one rule layers, each rule layer being a Horizontal subset, combining the rule layers to obtain a plurality of Horizontal subsets according to the total number of the pre-designated Horizontal subsets and a predefined principle, wherein the total number of said combined plurality of Horizontal subsets equals to the total number of said pre-designated Horizontal subsets; performing Vertical Cut in each of the Horizontal subsets; then forming a Hash table that can index the Vertical subsets, so that it can be used in a lookup; and realizing rule storage in each Vertical subset respectively according to the target algorithm.
    • 本发明提供了一种用于因特网的基于规则集划分的分组分类方法。 该方法包括:对规则集执行水平切割,基于目标算法确定用于划分规则层的字段,并选择水平切割的分割方式,根据所选择的水平切割分割方式进行水平切割,由此 获取多于一个的规则层,每个规则层是一个水平子集,根据预先指定的水平子集的总数和一个预定原则组合规则层以获得多个水平子集,其中所述组合的总数 多个水平子集等于所述预先指定的水平子集的总数; 在每个水平子集中执行垂直切割; 然后形成可以对“垂直”子集进行索引的哈希表,以便可以在查找中使用; 并根据目标算法分别在每个垂直子集中实现规则存储。
    • 14. 发明授权
    • Bus encoding/decoding method and bus encoder/decoder
    • 总线编码/解码方式和总线编码器/解码器
    • US08085172B2
    • 2011-12-27
    • US12360914
    • 2009-01-28
    • Yu LiHaibo LinWen Bo ShenKai Zheng
    • Yu LiHaibo LinWen Bo ShenKai Zheng
    • H03M5/00
    • H04L25/4906G06F1/3253G06F9/3802Y02D10/151
    • An encoding method and an encoder for encoding data transmitted in a manner of bursts via a parallel bus and a decoding method and a decoder. The encoding method includes organizing data of the bursts into matrixes, determining for each of the matrixes whether a transform mode capable of decreasing the bus transition number exists, determining that the matrix needs to be transformed, determining a transform mode for transforming the matrix, and replacing the initial matrix with the transformed matrix. Then, forming a new matrix to be transmitted from matrixes which do not need to be transformed and matrixes which have been transformed. Thereafter, first generating a transform information word indicating transform states of the respective matrixes and then attaching the transform information word to the matrix to be transmitted to form an encoded matrix for actual transmission.
    • 一种编码方法和编码器,用于经由并行总线和解码方法以及解码器对以脉冲串的方式发送的数据进行编码。 该编码方法包括将脉冲串的数据组织成矩阵,确定每个矩阵是否存在能够减小总线转换数的变换模式,确定矩阵需要变换,确定用于转换矩阵的变换模式,以及 用转换的矩阵代替初始矩阵。 然后,形成要从不需要变换的矩阵发送的新矩阵和已经被变换的矩阵。 此后,首先产生指示各个矩阵的变换状态的变换信息字,然后将变换信息字附加到要发送的矩阵,以形成用于实际发送的编码矩阵。
    • 15. 发明申请
    • METHOD AND APPARATUS FOR CONTROLLING DEVICE BY DETECTING SCR THEREOF
    • 通过检测其可控制性来控制器件的方法和装置
    • US20090128218A1
    • 2009-05-21
    • US11942959
    • 2007-11-20
    • Yisheng YuanKai Zheng
    • Yisheng YuanKai Zheng
    • H03K17/687
    • H03K17/725H03K17/18
    • A method and apparatus for controlling a device by detecting a silicon controlled rectifier (SCR) thereof, as well as a method and apparatus of automatic transfer switch controller thereof are disclosed. In one embodiment, the apparatus includes an input configured to receive input power, an output configured to provide said input power to a load a switch unit electrically coupled between said input and said output, the switch unit having at least one silicon controlled rectifier (SCR), a control unit electrically coupled to the switch unit for detecting the SCR of said switch unit and configured to provide a driving signal, and a device, which is driven by said control unit, wherein the driving signal is determined by the control unit after detecting a voltage value between the gate electrode and the cathode electrode of said SCR.
    • 公开了一种通过检测其可控硅整流器(SCR)来控制器件的方法和装置,以及其自动转换开关控制器的方法和装置。 在一个实施例中,该装置包括被配置为接收输入功率的输入,被配置为向负载提供电耦合在所述输入和所述输出之间的开关单元的所述输入功率的输出,所述开关单元具有至少一个可控硅整流器 ),控制单元,电耦合到所述开关单元,用于检测所述开关单元的SCR并被配置为提供驱动信号;以及由所述控制单元驱动的装置,其中所述驱动信号由所述控制单元在所述驱动信号之后由所述控制单元确定 检测所述SCR的栅电极和阴极之间的电压值。
    • 16. 发明申请
    • METHOD AND SYSTEM FOR PARALLEL FLOW-AWARED PATTERN MATCHING
    • 用于并行流动图形匹配的方法和系统
    • US20080270399A1
    • 2008-10-30
    • US12109666
    • 2008-04-25
    • Bo FengHong Bin LuKai Zheng
    • Bo FengHong Bin LuKai Zheng
    • G06F17/30
    • G06K9/00993
    • A system for parallel flow-awared pattern matching and a method thereof for performing distributed detection for incoming flows are provided. The system includes a pattern-set-partitioner for partitioning a pattern set for pattern matching into a number of pattern subsets in advance, a plurality of pattern matching engines, and a scheduler. The pattern matching engines each perform pattern matching for the incoming flows. The scheduler selects a number of pattern matching engines equal to the number of the partitioned pattern subsets from all the pattern matching engines and allocates pattern matching tasks, each performing flow matching against one pattern subset, to the selected pattern matching engines. With the system and method of the present invention, distributed detection can be performed by partitioning rules/pattern set to realize load-balancing parallel flow-awared pattern matching.
    • 提供了一种用于并行流感知模式匹配的系统及其用于对输入流进行分布式检测的方法。 该系统包括用于将用于模式匹配的模式集预先划分为多个模式子集的模式集分割器,多个模式匹配引擎和调度器。 模式匹配引擎各自为输入流执行模式匹配。 调度器从所有模式匹配引擎中选择等于分割模式子集的数目的多个模式匹配引擎,并且分配模式匹配任务,每个模式匹配任务对所选模式匹配引擎执行与一个模式子集的流匹配。 利用本发明的系统和方法,可以通过划分规则/模式集来实现分布式检测,以实现负载平衡并行流感知模式匹配。
    • 17. 发明申请
    • BUS ENCODING/DECODING METHOD AND BUS ENCODER/DECODER
    • 总线编码/解码方法和总线编码器/解码器
    • US20090193159A1
    • 2009-07-30
    • US12360914
    • 2009-01-28
    • Yu LiHaibo LinWen Bo ShenKai Zheng
    • Yu LiHaibo LinWen Bo ShenKai Zheng
    • G06F13/32
    • H04L25/4906G06F1/3253G06F9/3802Y02D10/151
    • An encoding method and an encoder for encoding data transmitted in a manner of bursts via a parallel bus and a decoding method and a decoder. The encoding method includes organizing data of the bursts into matrixes, determining for each of the matrixes whether a transform mode capable of decreasing the bus transition number exists, determining that the matrix needs to be transformed, determining a transform mode for transforming the matrix, and replacing the initial matrix with the transformed matrix. Then, forming a new matrix to be transmitted from matrixes which do not need to be transformed and matrixes which have been transformed. Thereafter, first generating a transform information word indicating transform states of the respective matrixes and then attaching the transform information word to the matrix to be transmitted to form an encoded matrix for actual transmission.
    • 一种编码方法和编码器,用于经由并行总线和解码方法以及解码器对以脉冲串的方式发送的数据进行编码。 该编码方法包括将脉冲串的数据组织成矩阵,确定每个矩阵是否存在能够减小总线转换数的变换模式,确定矩阵需要变换,确定用于转换矩阵的变换模式,以及 用转换的矩阵代替初始矩阵。 然后,形成要从不需要变换的矩阵发送的新矩阵和已经被变换的矩阵。 此后,首先产生指示各个矩阵的变换状态的变换信息字,然后将变换信息字附加到要发送的矩阵,以形成用于实际发送的编码矩阵。