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    • 42. 发明授权
    • Method and system for detecting a single data flow in an aggregate packet data flow and for identifying the application generating said single data flow
    • 用于检测聚合分组数据流中的单个数据流并用于识别生成所述单个数据流的应用的方法和系统
    • US08339979B2
    • 2012-12-25
    • US12602996
    • 2008-06-03
    • Massimo PerinoMarco MelliaDario RossiMichela Meo
    • Massimo PerinoMarco MelliaDario RossiMichela Meo
    • G01R31/08
    • H04L47/10H04L47/2416H04L47/2475H04L47/2483H04L47/41H04L67/22H04L69/22Y02D50/30
    • The invention relates to a method and a system for detecting a single data flow in an aggregate packet data flow and identifying the application generating the single data flow, this single data flow being divided into messages, each message comprising a plurality of blocks, each block (g) having n bits for identifying 2n block values (i). The method comprises the steps of providing, for each block value (i), an expected frequency value (Ei), measuring, for a predefined number (G) of blocks (g), the values Formula (I) of frequency with which each block (g) identifies each block value (i) so as to obtain a plurality of measured frequency values Formula (I), processing, for each block (g), the measured frequency values Formula (I) and the expected frequency values (Ei) in order to generate a frequency deviation value Formula (II) representative of the deviation of the measured frequency values Formula (I) with respect to the expected frequency values (Ei), and processing the frequency deviation values Formula (II) generated for each block (g) with at least one frequency deviation threshold value (χth) in order to detect the single data flow and identify the application generating said single data flow.
    • 本发明涉及一种在聚合分组数据流中检测单个数据流并识别生成单个数据流的应用的方法和系统,该单个数据流被分成消息,每个消息包括多个块,每个块 (g)具有用于识别2n个块值(i)的n个比特。 该方法包括以下步骤:为每个块值(i)提供期望频率值(Ei),针对块(g)的预定数量(G)测量频率的值(I),其中每个 块(g)识别每个块值(i),以获得多个测量频率值公式(I),对于每个块(g),处理测量的频率值公式(I)和预期频率值(Ei )以产生表示相对于预期频率值(Ei)的测量频率值公式(I)的偏差的频率偏差值公式(II),并且处理为每个所产生的频率偏差值公式(II) 块(g)具有至少一个频率偏差阈值(χth),以便检测单个数据流并识别生成所述单个数据流的应用。
    • 43. 发明申请
    • METHOD AND SYSTEM FOR DETECTING A SINGLE DATA FLOW IN AN AGGREGATE PACKET DATA FLOW AND FOR IDENTIFYING THE APPLICATION GENERATING SAID SINGLE DATA FLOW
    • 用于检测聚合分组数据流中的单个数据流的方法和系统,并用于识别产生单个数据流的应用
    • US20100177652A1
    • 2010-07-15
    • US12602996
    • 2008-06-03
    • Massimo PerinoMarco MelliaDario RossiMichela Meo
    • Massimo PerinoMarco MelliaDario RossiMichela Meo
    • H04L12/26
    • H04L47/10H04L47/2416H04L47/2475H04L47/2483H04L47/41H04L67/22H04L69/22Y02D50/30
    • The invention relates to a method and a system for detecting a single data flow in an aggregate packet data flow and identifying the application generating the single data flow, this single data flow being divided into messages, each message comprising a plurality of blocks, each block (g) having n bits for identifying 2n block values (i). The method comprises the steps of providing, for each block value (i), an expected frequency value (Ei), measuring, for a predefined number (G) of blocks (g), the values Formula (I) of frequency with which each block (g) identifies each block value (i) so as to obtain a plurality of measured frequency values Formula (I), processing, for each block (g), the measured frequency values Formula (I) and the expected frequency values (Er) in order to generate a frequency deviation value Formula (II) representative of the deviation of the measured frequency values Formula (I) with respect to the expected frequency values (Ei), and processing the frequency deviation values Formula (II) generated for each block (g) with at least one frequency deviation threshold value (χth) in order to detect the single data flow and identify the application generating said single data flow.
    • 本发明涉及一种在聚合分组数据流中检测单个数据流并识别生成单个数据流的应用的方法和系统,该单个数据流被分成消息,每个消息包括多个块,每个块 (g)具有用于识别2n个块值(i)的n个比特。 该方法包括以下步骤:为每个块值(i)提供期望频率值(Ei),针对块(g)的预定数量(G)测量频率的值(I),其中每个 块(g)识别每个块值(i),以获得多个测量频率值公式(I),对于每个块(g),处理测量的频率值公式(I)和预期频率值(Er )以产生表示相对于预期频率值(Ei)的测量频率值公式(I)的偏差的频率偏差值公式(II),并且处理为每个所产生的频率偏差值公式(II) 块(g)具有至少一个频率偏差阈值(χth),以便检测单个数据流并识别生成所述单个数据流的应用。