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    Methods, apparatus and articles of manufacture to perform root cause analysis for network events
    3.
    发明授权
    Methods, apparatus and articles of manufacture to perform root cause analysis for network events 有权
    方法，装置和制品对网络事件进行根本原因分析

    公开(公告)号：US08411577B2

    公开(公告)日：2013-04-02

    申请号：US12728002

    申请日：2010-03-19

    申请人： Zihui Ge ,  Dan Pei ,  Jennifer Yates ,  He Yan

    发明人： Zihui Ge ,  Dan Pei ,  Jennifer Yates ,  He Yan

    IPC分类号： H04L12/26

    CPC分类号： G06F11/079 ,  G06F11/0709 ,  G06F11/0748 ,  H04L41/0213 ,  H04L41/0631

    摘要： Example methods, apparatus and articles of manufacture to perform root cause analysis for network events are disclosed. An example method includes retrieving a symptom event instance from a normalized set of data sources based on a symptom event definition; generating a set of diagnostic events from the normalized set of data sources which potentially cause the symptom event instance, the diagnostic events being determined based on dependency rules; and analyzing the set of diagnostic events to select a root cause event based on root cause rules.

    摘要翻译： 公开了对网络事件执行根本原因分析的示例性方法，装置和制造。 示例性方法包括：基于症状事件定义从归一化数据源集合检索症状事件实例; 从可能导致症状事件实例的归一化数据源集合生成一组诊断事件，诊断事件基于依赖规则确定; 并分析一组诊断事件以根据根本原因选择根本原因事件。

    METHODS, APPARATUS AND ARTICLES OF MANUFACTURE TO PERFORM ROOT CAUSE ANALYSIS FOR NETWORK EVENTS
    4.
    发明申请
    METHODS, APPARATUS AND ARTICLES OF MANUFACTURE TO PERFORM ROOT CAUSE ANALYSIS FOR NETWORK EVENTS 有权
    方法，装置和制造工艺对网络事件进行分析的原因分析

    公开(公告)号：US20110231704A1

    公开(公告)日：2011-09-22

    申请号：US12728002

    申请日：2010-03-19

    申请人： Zihui Ge ,  Dan Pei ,  Jennifer Yates ,  He Yan

    发明人： Zihui Ge ,  Dan Pei ,  Jennifer Yates ,  He Yan

    IPC分类号： G06F11/07 ,  G06N5/02

    CPC分类号： G06F11/079 ,  G06F11/0709 ,  G06F11/0748 ,  H04L41/0213 ,  H04L41/0631

    摘要： Example methods, apparatus and articles of manufacture to perform root cause analysis for network events are disclosed. An example method includes retrieving a symptom event instance from a normalized set of data sources based on a symptom event definition; generating a set of diagnostic events from the normalized set of data sources which potentially cause the symptom event instance, the diagnostic events being determined based on dependency rules; and analyzing the set of diagnostic events to select a root cause event based on root cause rules.

    摘要翻译： 公开了对网络事件执行根本原因分析的示例性方法，装置和制造。 示例性方法包括：基于症状事件定义从归一化数据源集合检索症状事件实例; 从可能导致症状事件实例的归一化数据源集合生成一组诊断事件，诊断事件基于依赖规则确定; 并分析一组诊断事件以根据根本原因选择根本原因事件。

    Method and system for detecting network upgrades
    5.
    发明授权
    Method and system for detecting network upgrades 有权
    检测网络升级的方法和系统

    公开(公告)号：US09444684B2

    公开(公告)日：2016-09-13

    申请号：US12887830

    申请日：2010-09-22

    申请人： Jia Wang ,  Zihui Ge ,  Ajay Mahimkar ,  Aman Shaikh ,  Jennifer Yates ,  Yin Zhang ,  Joanne Emmons

    发明人： Jia Wang ,  Zihui Ge ,  Ajay Mahimkar ,  Aman Shaikh ,  Jennifer Yates ,  Yin Zhang ,  Joanne Emmons

    IPC分类号： G06F15/177 ,  H04L12/24

    CPC分类号： H04L41/0853 ,  H04L41/0869 ,  H04L41/142

    摘要： A system and method identify a network upgrade from a data set including a plurality of configuration sessions. The system performs the method by receiving a plurality of configuration sessions. Each of the configuration sessions comprises a plurality of configuration commands. The configuration commands are generated by a same user identifier and within a time threshold. The method further includes identifying one of the configuration sessions as a network upgrade session. The identification is based on a rareness of the configuration session or a skewness of the configuration session.

    摘要翻译： 系统和方法从包括多个配置会话的数据集中识别网络升级。 系统通过接收多个配置会话来执行该方法。 每个配置会话包括多个配置命令。 配置命令由相同的用户标识符和时间阈值生成。 该方法还包括将配置会话之一识别为网络升级会话。 该标识基于配置会话的稀有性或配置会话的偏度。

    Method and system for detecting changes in network performance
    6.
    发明授权
    Method and system for detecting changes in network performance 有权
    检测网络性能变化的方法和系统

    公开(公告)号：US08774023B2

    公开(公告)日：2014-07-08

    申请号：US12887903

    申请日：2010-09-22

    申请人： Jia Wang ,  Zihui Ge ,  Ajay Mahimkar ,  Aman Shaikh ,  Jennifer Yates ,  Yin Zhang ,  Joanne Emmons

    发明人： Jia Wang ,  Zihui Ge ,  Ajay Mahimkar ,  Aman Shaikh ,  Jennifer Yates ,  Yin Zhang ,  Joanne Emmons

    IPC分类号： H04L12/26

    CPC分类号： H04L43/16 ,  H04L41/082 ,  H04L43/0829 ,  H04L43/0852

    摘要： A system and method are provided for identifying a change point in a set of data. The system performs the method by receiving a set of data. The data indicates a plurality of performance measurements from a measurement point in a network. Each of the plurality of measurements represents a single type of performance measurement made at the measurement point at each of a corresponding plurality of points in time. The method also includes dividing the set of data into a plurality of data points in a chronological order. Each data point has a value corresponding to the performance measurements. The method also includes ranking the data points in an ascending order, calculating a cumulative sum for each of the data points, calculating a change score for the set of data points. A change point is identified in the data set if the change score exceeds a predetermined confidence level.

    摘要翻译： 提供了用于识别一组数据中的变化点的系统和方法。 系统通过接收一组数据来执行该方法。 数据表示来自网络中的测量点的多个性能测量。 多个测量中的每一个表示在相应的多个时间点的每一个处的测量点进行的单一类型的性能测量。 该方法还包括按照时间顺序将数据集合划分成多个数据点。 每个数据点都具有对应于性能测量值。 该方法还包括以升序对数据点进行排序，计算每个数据点的累积和，计算该组数据点的改变得分。 如果改变得分超过预定的置信水平，则在数据集中识别变化点。

    Method and System for Detecting Common Attributes of Network Upgrades
    8.
    发明申请
    Method and System for Detecting Common Attributes of Network Upgrades 有权
    检测网络升级常见属性的方法和系统

    公开(公告)号：US20120072574A1

    公开(公告)日：2012-03-22

    申请号：US12887855

    申请日：2010-09-22

    申请人： Jia Wang ,  Zihui Ge ,  Ajay Mahimkar ,  Aman Shaikh ,  Jennifer Yates ,  Yin Zhang ,  Joanne Emmons

    发明人： Jia Wang ,  Zihui Ge ,  Ajay Mahimkar ,  Aman Shaikh ,  Jennifer Yates ,  Yin Zhang ,  Joanne Emmons

    IPC分类号： G06F15/16

    CPC分类号： H04L41/142 ,  H04L43/0817 ,  H04L43/0852 ,  H04L45/70

    摘要： A system and method identify a set of rules for determining a commonality of attributes across different behavior changes for a network. The system performs the method by receiving a set of data correlating network triggers to performance changes of one or more network devices. The set of data further includes an indication of a sign of the performance change for each of the network devices based on the triggers. The method further includes extracting a set of rules relating to a set of relationships between the triggers and the performance changes. The rules identify a commonality of the performance changes for multiple network devices based on the triggers.

    摘要翻译： 系统和方法识别用于确定网络的不同行为改变的属性的共性的一组规则。 系统通过接收一组将网络触发与一个或多个网络设备的性能变化相关联的数据来执行该方法。 该组数据还包括基于触发器的每个网络设备的性能变化的符号的指示。 该方法还包括提取与触发器和性能改变之间的一组关系有关的一组规则。 这些规则基于触发器来确定多个网络设备的性能变化的共同性。

    Method and apparatus for providing statistical event correlation in a network
    9.
    发明授权
    Method and apparatus for providing statistical event correlation in a network 有权
    用于在网络中提供统计事件相关性的方法和装置

    公开(公告)号：US08111626B2

    公开(公告)日：2012-02-07

    申请号：US12347444

    申请日：2008-12-31

    申请人： Aman Shaikh ,  Cheng Ee ,  Ajay Mahimkar ,  Jia Wang ,  Jennifer Yates ,  Yin Zhang ,  Zihui Ge

    发明人： Aman Shaikh ,  Cheng Ee ,  Ajay Mahimkar ,  Jia Wang ,  Jennifer Yates ,  Yin Zhang ,  Zihui Ge

    IPC分类号： H04L12/26 ,  G01R31/08 ,  H04J1/16

    CPC分类号： H04L41/0631

    摘要： A method and apparatus for providing event correlation in a network are disclosed. For example, the method extracts a plurality of events of interest from a database, and creates one or more event time series from the plurality of events of interest, wherein each of the one or more event time series comprises a set of events of a same type and of a same location that occur within a given time period. The method forms one or more composite events from the one or more event time series, and performs one or more pair-wise correlations for at least one of: the event time-series, or the one or more composite events. The method then identifies one or more pair-wise correlations that are statistically significant.

    摘要翻译： 公开了一种在网络中提供事件相关性的方法和装置。 例如，该方法从数据库提取多个感兴趣的事件，并且从多个感兴趣的事件中创建一个或多个事件时间序列，其中一个或多个事件时间序列中的每一个包括相同的一组事件 类型和在给定时间段内发生的相同位置。 所述方法形成来自所述一个或多个事件时间序列的一个或多个复合事件，并且对于所述事件时间序列或所述一个或多个复合事件中的至少一个执行一个或多个成对相关。 然后，该方法识别统计学显着的一个或多个成对相关性。