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1. 发明授权

US09667503B2 Method and system for detecting common attributes of network upgrades 有权
公开(公告)号：US09667503B2
公开(公告)日：2017-05-30
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 , H04L12/24 , H04L12/26 , H04L12/721
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.

2. 发明申请

US20130054783A1 PASSIVE AND COMPREHENSIVE HIERARCHICAL ANOMALY DETECTION SYSTEM AND METHOD 有权
标题翻译：被动和全面的分层异常检测系统和方法
公开(公告)号：US20130054783A1
公开(公告)日：2013-02-28
申请号：US13219635
申请日：2011-08-27
申请人： Zihui Ge , Ashley Flavel , Alexandre Gerber , Dan Pei , Hiren Shah , He Yan , Jennifer Yates
发明人： Zihui Ge , Ashley Flavel , Alexandre Gerber , Dan Pei , Hiren Shah , He Yan , Jennifer Yates
IPC分类号： G06F15/173
CPC分类号： H04L43/0823 , H04L41/0609 , H04L41/0622 , H04L43/04 , H04L43/0864 , H04L43/16
摘要： A technique for monitoring performance in a network uses passively monitored traffic data at the server access routers. The technique aggregates performance metrics into clusters according to a spatial hierarchy in the network, and then aggregates performance metrics within spatial clusters to form time series of temporal bins. Representative values from the temporal bins are then analyzed using an enhanced Holt-Winters exponential smoothing algorithm.
摘要翻译：用于监视网络性能的技术使用被动监视的业务数据在服务器接入路由器。该技术根据网络中的空间层次将性能指标聚合到集群中，然后聚合空间集群内的性能指标，形成时间序列的时间序列。然后使用增强的Holt-Winters指数平滑算法来分析来自时段的代表值。

3. 发明授权

US08145745B1 Method and apparatus for network-level anomaly inference 有权
标题翻译：网络异常推理的方法和装置
公开(公告)号：US08145745B1
公开(公告)日：2012-03-27
申请号：US11321218
申请日：2005-12-28
申请人： Zihui Ge , Albert Gordon Greenberg , Matthew Roughan , Yin Zhang
发明人： Zihui Ge , Albert Gordon Greenberg , Matthew Roughan , Yin Zhang
IPC分类号： G06F15/173
CPC分类号： H04L43/0882 , H04L41/0677
摘要： Method and apparatus for network-level anomaly inference in a network is described. In one example, link load measurements are obtained for multiple time intervals. Routing data for the network is obtained. Link level anomalies are extracted using temporal analysis on the link load measurements over the multiple time intervals. Network-level anomalies are inferred from the link-level anomalies.
摘要翻译：描述网络中网络异常推理的方法和装置。在一个示例中，获得多个时间间隔的链路负载测量。获取网络的路由数据。通过对多个时间间隔的链路负载测量的时间分析提取链路水平异常。从链路级异常推断网络级异常。

4. 发明申请

US20120072574A1 Method and System for Detecting Common Attributes of Network Upgrades 有权
标题翻译：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。

5. 发明授权

US08111626B2 Method and apparatus for providing statistical event correlation in a network 有权
标题翻译：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。

6. 发明授权

US09444684B2 Method and system for detecting network upgrades 有权
标题翻译：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。

7. 发明授权

US08774023B2 Method and system for detecting changes in network performance 有权
标题翻译：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。

8. 发明申请

US20140059208A1 Methods, Systems, and Products for Monitoring Domain Name Servers 有权
标题翻译：用于监控域名服务器的方法，系统和产品
公开(公告)号：US20140059208A1
公开(公告)日：2014-02-27
申请号：US13594820
申请日：2012-08-26
申请人： HE YAN , ZIHUI GE , ALEXANDRE GERBER , OLIVER SPATSCHECK
发明人： HE YAN , ZIHUI GE , ALEXANDRE GERBER , OLIVER SPATSCHECK
IPC分类号： G06F15/173
CPC分类号： H04L61/1511 , H04L43/0817 , H04L43/106 , H04L43/16 , H04L61/6009
摘要： Methods, systems, and products infer performance of a domain name system. Queries to, and responses from, the domain name system are logged and categorized. Each category is associated with a different performance issue related to the domain name system. The number of entries in each category may be used to infer the performance of the domain name system
摘要翻译：方法，系统和产品推断域名系统的性能。对域名系统的查询和响应进行记录和分类。每个类别与与域名系统相关的不同性能问题相关联。每个类别中的条目数可以用来推断域名系统的性能

9. 发明授权

US07966655B2 Method and apparatus for optimizing a firewall 有权
标题翻译：防火墙优化的方法和装置
公开(公告)号：US07966655B2
公开(公告)日：2011-06-21
申请号：US11478829
申请日：2006-06-30
申请人： Subrata Acharya , Zihui Ge , Albert Gordon Greenberg , Jia Wang
发明人： Subrata Acharya , Zihui Ge , Albert Gordon Greenberg , Jia Wang
IPC分类号： H04L29/00
CPC分类号： H04L63/0263
摘要： Disclosed is a method and system for optimizing a first set of rules enforced by a firewall on network traffic. Characteristics of the network traffic are examined and these characteristics are used to generate a second set of rules. The first set of rules may have a different order than the second set of rules.
摘要翻译：公开了一种用于优化由防火墙在网络流量上执行的第一组规则的方法和系统。检查网络流量的特征，并使用这些特征来生成第二组规则。第一组规则可能具有与第二组规则不同的顺序。

10. 发明申请

US20100034102A1 Measurement-Based Validation of a Simple Model for Panoramic Profiling of Subnet-Level Network Data Traffic 审中-公开
标题翻译：基于测量的验证子网级数据流量全景分析的简单模型
公开(公告)号：US20100034102A1
公开(公告)日：2010-02-11
申请号：US12186113
申请日：2008-08-05
申请人： Jia Wang , Zihui Ge , Hongbo Jiang , Shudong Jin
发明人： Jia Wang , Zihui Ge , Hongbo Jiang , Shudong Jin
IPC分类号： H04L12/26
CPC分类号： H04L43/0876 , H04L41/0213 , H04L41/0893
摘要： A system and method for profiling subnet-level aggregate network data traffic is disclosed. The system allows a user to define a collection of features that combined characterize the subnet-level aggregate traffic behavior. Preferably, the features include daily traffic volume, time-of-day behavior, spatial traffic distribution, traffic balance in flow direction, and traffic distribution in type of application. The system then applies machine learning techniques to classify the subnets into a number of clusters on each of the features, by assigning a membership probability vector to each network thus allowing panoramic traffic profiles to be created for each network on all features combined. These membership probability vectors may optionally be used to detect network anomalies, or to predict future network traffic.
摘要翻译：公开了一种用于分析子网级聚合网络数据流量的系统和方法。该系统允许用户定义组合的特征集合，以表征子网级聚合流量行为。优选地，特征包括日常交通量，时间行为，空间流量分配，流向方向上的流量平衡以及应用类型中的流量分布。然后，该系统应用机器学习技术，通过向每个网络分配成员概率向量，从而允许在组合的所有特征上为每个网络创建全景业务简档，从而将子网分类为每个特征上的多个集群。这些成员概率向量可以可选地用于检测网络异常，或者预测未来的网络流量。

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