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1. 发明授权

US07804787B2 Methods and apparatus for analyzing and management of application traffic on networks 有权
标题翻译：网络上应用流量分析与管理的方法与装置
公开(公告)号：US07804787B2
公开(公告)日：2010-09-28
申请号：US11477868
申请日：2006-06-30
申请人： Gordon Brandyburg , Naresh Kumar Kannan , Jeff Kobryn , Kent Laver , James Thomas Menzies , Thomas R. Nisbet , Matthew A. Tucker
发明人： Gordon Brandyburg , Naresh Kumar Kannan , Jeff Kobryn , Kent Laver , James Thomas Menzies , Thomas R. Nisbet , Matthew A. Tucker
IPC分类号： H04L12/26 , H04L12/28
CPC分类号： H04L43/026 , H04L43/028 , H04L43/045 , H04L43/0852 , H04L43/0888 , H04L43/10 , H04L43/12 , H04L67/327 , H04L69/22
摘要： An apparatus and method are provided for analyzing traffic on a network by monitoring packets sent between devices on the network and identifying applications occurring between devices on the network based on information derived from monitoring the packets. Techniques are provided to examine header information of the packets, such as information in the header of Internet Protocol (IP) packets, to identify applications that are occurring on the network. In some cases, information about the packet beyond the header information is examined to match a packet to a particular application. Using these techniques, a list is built of all of the applications occurring between devices on the network. Parameters may be generated to track one or more of the response time, latency and traffic volume associated with a particular device on the network.
摘要翻译：提供了一种装置和方法，用于通过监视网络上的设备之间发送的分组，并且基于从监视分组获得的信息识别出现在网络上的设备之间的应用来分析网络上的流量。提供技术来检查分组的报头信息，例如因特网协议（IP）分组报头中的信息，以识别在网络上发生的应用。在某些情况下，检查关于报头信息之外的分组的信息以将分组与特定应用相匹配。使用这些技术，列出了在网络上的设备之间发生的所有应用程序。可以生成参数以跟踪与网络上的特定设备相关联的一个或多个响应时间，等待时间和流量。

2. 发明申请

US20060176824A1 Methods and apparatus for identifying chronic performance problems on data networks 有权
公开(公告)号：US20060176824A1
公开(公告)日：2006-08-10
申请号：US11217477
申请日：2005-09-02
申请人： Kent Laver , Matthew Tucker
发明人： Kent Laver , Matthew Tucker
IPC分类号： H04L12/26 , H04J1/16
CPC分类号： H04L41/00 , H04L43/022 , H04L43/08 , H04L43/0852 , H04L43/0864 , H04L43/087 , H04L43/0888 , H04L43/16
摘要： A system for identifying chronic performance problems on data networks includes network monitoring devices that provide measurements of performance metrics such as latency, jitter, and throughput, and a processing system for analyzing measurement data to identify the onset of chronic performance problems. Network behavior is analyzed to develop a baseline performance level (e.g., computing a mean and variance of a baseline sample of performance metric measurements). An operating performance level is measured during operation of the network (e.g., computing a mean and variance of an operating sample of performance metric measurements). A chronic performance problem is identified if the operating performance level exceeds a performance threshold and a difference between the baseline performance level and the operating performance level is determined to be statistically significant. A t-test based on the baseline mean and variance and the operating mean and variance can be used to determine if this difference is significant.

3. 发明授权

US07599308B2 Methods and apparatus for identifying chronic performance problems on data networks 有权
标题翻译：用于识别数据网络上的慢性性能问题的方法和装置
公开(公告)号：US07599308B2
公开(公告)日：2009-10-06
申请号：US11217477
申请日：2005-09-02
申请人： Kent Laver , Matthew A. Tucker
发明人： Kent Laver , Matthew A. Tucker
IPC分类号： H04L12/26
CPC分类号： H04L41/00 , H04L43/022 , H04L43/08 , H04L43/0852 , H04L43/0864 , H04L43/087 , H04L43/0888 , H04L43/16
摘要： A system for identifying chronic performance problems on data networks includes network monitoring devices that provide measurements of performance metrics such as latency, jitter, and throughput, and a processing system for analyzing measurement data to identify the onset of chronic performance problems. Network behavior is analyzed to develop a baseline performance level (e.g., computing a mean and variance of a baseline sample of performance metric measurements). An operating performance level is measured during operation of the network (e.g., computing a mean and variance of an operating sample of performance metric measurements). A chronic performance problem is identified if the operating performance level exceeds a performance threshold and a difference between the baseline performance level and the operating performance level is determined to be statistically significant. A t-test based on the baseline mean and variance and the operating mean and variance can be used to determine if this difference is significant.
摘要翻译：用于识别数据网络上的慢性性能问题的系统包括提供诸如延迟，抖动和吞吐量等性能度量的测量的网络监控设备，以及用于分析测量数据以识别慢性性能问题的发作的处理系统。分析网络行为以开发基线性能水平（例如，计算性能度量测量的基线样本的平均值和方差）。在网络运行期间测量操作性能水平（例如，计算性能度量测量的操作样本的平均值和方差）。如果操作性能水平超过性能阈值并且基线性能水平与操作性能水平之间的差异被确定为具有统计学意义，则会识别长期性能问题。可以使用基于平均值和方差以及操作平均值和方差的t检验来确定该差异是否显着。

4. 发明申请

US20070011317A1 Methods and apparatus for analyzing and management of application traffic on networks 有权
标题翻译：网络上应用流量分析与管理的方法与装置
公开(公告)号：US20070011317A1
公开(公告)日：2007-01-11
申请号：US11477868
申请日：2006-06-30
申请人： Gordon Brandyburg , Naresh Kannan , Jeff Kobryn , Kent Laver , James Menzies , Thomas Nisbet , Matthew Tucker
发明人： Gordon Brandyburg , Naresh Kannan , Jeff Kobryn , Kent Laver , James Menzies , Thomas Nisbet , Matthew Tucker
IPC分类号： G06F15/173
CPC分类号： H04L43/026 , H04L43/028 , H04L43/045 , H04L43/0852 , H04L43/0888 , H04L43/10 , H04L43/12 , H04L67/327 , H04L69/22
摘要： An apparatus and method are provided for analyzing traffic on a network by monitoring packets sent between devices on the network and identifying applications occurring between devices on the network based on information derived from monitoring the packets. Techniques are provided to examine header information of the packets, such as information in the header of Internet Protocol (IP) packets, to identify applications that are occurring on the network. In some cases, information about the packet beyond the header information is examined to match a packet to a particular application. Using these techniques, a list is built of all of the applications occurring between devices on the network. Parameters may be generated to track one or more of the response time, latency and traffic volume associated with a particular device on the network.
摘要翻译：提供了一种装置和方法，用于通过监视网络上的设备之间发送的分组，并且基于从监视分组获得的信息识别出现在网络上的设备之间的应用来分析网络上的流量。提供技术来检查分组的报头信息，例如因特网协议（IP）分组报头中的信息，以识别在网络上发生的应用。在某些情况下，检查关于报头信息之外的分组的信息以将分组与特定应用相匹配。使用这些技术，列出了在网络上的设备之间发生的所有应用程序。可以生成参数以跟踪与网络上的特定设备相关联的一个或多个响应时间，等待时间和流量。

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