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1. 发明申请

US20090028062A1 SYSTEMS AND METHODS FOR PARTITIONING END-TO-END PERFORMANCE EFFECTS USING NETWORK TOMOGRAPHY 有权
标题翻译：使用网络计算机分析端到端性能效果的系统和方法
公开(公告)号：US20090028062A1
公开(公告)日：2009-01-29
申请号：US11829429
申请日：2007-07-27
申请人： Jean Meloche , Lorraine Denby , Colin L. Mallows , James M. Landwehr
发明人： Jean Meloche , Lorraine Denby , Colin L. Mallows , James M. Landwehr
IPC分类号： H04L12/26
CPC分类号： H04L41/147 , G06Q40/00 , H04L41/0213 , H04L41/12 , H04L41/5009 , H04L41/5038 , H04L43/0829 , H04L43/0852 , H04L43/087 , H04L43/50
摘要： Systems and methods are presented for partitioning end-to-end performance effects using network tomography. In one embodiment, a method for partitioning end-to-end performance effects within a network is presented. The method includes determining a network topology between at least two test points, obtaining an unrelated approximation of edge effects between the test points, measuring end-to-end performance data between the test points corresponding to a target application, regularizing an estimate of edge effects for the target application using the unrelated approximation of edge effects, and computing the estimate of edge effects for the target application to partition the end-to-end effects.
摘要翻译：提出了使用网络层析成像分割端到端性能效果的系统和方法。在一个实施例中，呈现了用于分割网络内的端对端性能效果的方法。该方法包括确定至少两个测试点之间的网络拓扑，获得测试点之间的边缘效应的无关逼近，测量与目标应用相对应的测试点之间的端到端性能数据，使边缘效应的估计正规化对于使用边缘效应的不相关近似的目标应用程序，以及计算目标应用程序的边缘效应的估计来分割端对端效应。

2. 发明授权

US07821936B2 Systems and methods for partitioning end-to-end performance effects using network tomography 有权
标题翻译：使用网络断层扫描分割端到端性能效果的系统和方法
公开(公告)号：US07821936B2
公开(公告)日：2010-10-26
申请号：US11829429
申请日：2007-07-27
申请人： Jean Meloche , Lorraine Denby , Colin L. Mallows , James M. Landwehr
发明人： Jean Meloche , Lorraine Denby , Colin L. Mallows , James M. Landwehr
IPC分类号： G08C15/00 , H04J1/16 , H04J3/14 , H04L1/00 , H04L12/26
CPC分类号： H04L41/147 , G06Q40/00 , H04L41/0213 , H04L41/12 , H04L41/5009 , H04L41/5038 , H04L43/0829 , H04L43/0852 , H04L43/087 , H04L43/50
摘要： Systems and methods are presented for partitioning end-to-end performance effects using network tomography. In one embodiment, a method for partitioning end-to-end performance effects within a network is presented. The method includes determining a network topology between at least two test points, obtaining an unrelated approximation of edge effects between the test points, measuring end-to-end performance data between the test points corresponding to a target application, regularizing an estimate of edge effects for the target application using the unrelated approximation of edge effects, and computing the estimate of edge effects for the target application to partition the end-to-end effects.
摘要翻译：提出了使用网络层析成像分割端到端性能效果的系统和方法。在一个实施例中，呈现了用于分割网络内的端对端性能效果的方法。该方法包括确定至少两个测试点之间的网络拓扑，获得测试点之间的边缘效应的无关逼近，测量与目标应用相对应的测试点之间的端到端性能数据，使边缘效应的估计正规化对于使用边缘效应的不相关近似的目标应用程序，以及计算目标应用程序的边缘效应的估计来分割端对端效应。

3. 发明授权

US07924733B2 Root cause analysis of network performance based on exculpation or inculpation sets 有权
标题翻译：基于排除或排除集的网络性能的根本原因分析
公开(公告)号：US07924733B2
公开(公告)日：2011-04-12
申请号：US11536229
申请日：2006-09-28
申请人： Akshay Adhikari , Lorraine Denby , Colin L. Mallows , Jean Meloche , Balaji Rao
发明人： Akshay Adhikari , Lorraine Denby , Colin L. Mallows , Jean Meloche , Balaji Rao
IPC分类号： H04J1/16
CPC分类号： H04L43/00 , H04L41/0213 , H04L41/0631 , H04L41/0677 , H04L41/5003 , H04L41/5096 , H04L43/0829 , H04L43/0852 , H04L43/087 , H04L43/16
摘要： Performance problems or other conditions are analyzed in a system comprising a plurality of endpoint devices and an associated centralized or distributed controller. End-to-end measurements are obtained for respective paths through the network, for example, using communications between the endpoint devices. For a given end-to-end measurement obtained for a particular one of the paths, a value of a performance indicator for the path is determined and the performance indicator value is assigned to each of a plurality of links of the path. The determining and assigning operations are repeated for additional ones of the end-to-end measurements, the links are grouped into one or more exculpation or inculpation sets based on how many times a particular performance indicator value has been assigned to each of the links, and the one or more sets are utilized to determine, for example, the location of a performance problem in the network.
摘要翻译：在包括多个端点设备和相关联的集中式或分布式控制器的系统中分析性能问题或其他条件。通过网络获得针对相应路径的端到端测量，例如使用端点设备之间的通信。对于针对特定路径获得的给定的端到端测量，确定路径的性能指示符的值，并且将性能指标值分配给路径的多个链路中的每一个。针对附加的端到端测量重复确定和分配操作，基于特定的性能指标值被分配给每个链路多少次，将链路分组成一个或多个排除或者填充集合，并且使用一个或多个集合来确定例如网络中的性能问题的位置。

4. 发明申请

US20080069334A1 Data compression in a distributed monitoring system 有权
标题翻译：分布式监控系统中的数据压缩
公开(公告)号：US20080069334A1
公开(公告)日：2008-03-20
申请号：US11531910
申请日：2006-09-14
申请人： Lorraine Denby , Colin L. Mallows , Jean Meloche
发明人： Lorraine Denby , Colin L. Mallows , Jean Meloche
IPC分类号： H04M3/00
CPC分类号： H04L12/2697 , H04L43/50
摘要： A distributed monitoring system comprises a plurality of agents configured for communication with at least one central server. A given one of the agents obtains measurement data, and applies a statistical test to the measurement data. Based on a result of the statistical test, the given agent determines whether or not an update needs to be sent by the agent to the central server. The agent sends the update to the central server if the determination indicates that the update should be sent.
摘要翻译：分布式监控系统包括被配置为与至少一个中央服务器进行通信的多个代理。给定的一个代理获得测量数据，并对测量数据应用统计测试。基于统计测试的结果，给定代理确定代理是否需要向中央服务器发送更新。如果确定指示应该发送更新，代理将更新发送到中央服务器。

5. 发明授权

US07031264B2 Distributed monitoring and analysis system for network traffic 有权
标题翻译：网络流量分布式监控分析系统
公开(公告)号：US07031264B2
公开(公告)日：2006-04-18
申请号：US10459948
申请日：2003-06-12
申请人： Akshay Adhikari , Scott Vincent Bianco , Lorraine Denby , Colin L. Mallows , Jean Meloche , Balaji Rao , Shane M. Sullivan , Yehuda Vardi
发明人： Akshay Adhikari , Scott Vincent Bianco , Lorraine Denby , Colin L. Mallows , Jean Meloche , Balaji Rao , Shane M. Sullivan , Yehuda Vardi
IPC分类号： H04L12/56
CPC分类号： H04L43/12 , H04L43/0829 , H04L43/0835 , H04L43/0858 , H04L43/0864 , H04L43/087 , H04L43/106
摘要： Techniques are disclosed for improved monitoring and analysis of VoIP communications, multimedia communications or other types of network traffic in a network-based communication system. In accordance with one aspect of the invention, endpoint devices of the network-based communication system are configurable so as to collectively implement a distributed monitoring and analysis system which does not require a centralized testing server or other centralized controller. Distributed test units associated with the endpoint devices may be utilized in implementing the distributed monitoring and analysis system, and are preferably configured to support a web-based user interface providing access to measurement data. The endpoint devices may be advantageously organized into a hierarchy comprising a plurality of zones, with each of the endpoint devices belonging to at least one zone. For each zone, one of the endpoint devices may be designated as a zone leader for controlling the periodic generation of communications between selected endpoint devices that belong to subzones of that zone in the hierarchy.
摘要翻译：公开了用于改进在基于网络的通信系统中的VoIP通信，多媒体通信或其他类型的网络业务的监视和分析的技术。根据本发明的一个方面，基于网络的通信系统的端点设备是可配置的，以便集体实现不需要集中式测试服务器或其他集中控制器的分布式监控和分析系统。与端点设备相关联的分布式测试单元可以用于实现分布式监控和分析系统，并且优选地被配置为支持提供对测量数据的访问的基于web的用户界面。端点设备可以有利地被组织成包括多个区域的层次结构，其中每个端点设备属于至少一个区域。对于每个区域，可以将端点设备中的一个指定为区域引导器，用于控制属于该层级中该区域的子区域的所选择的端点设备之间的通信的周期性生成。

6. 发明授权

US08824313B2 Data compression in a distributed monitoring system 有权
标题翻译：分布式监控系统中的数据压缩
公开(公告)号：US08824313B2
公开(公告)日：2014-09-02
申请号：US11531910
申请日：2006-09-14
申请人： Lorraine Denby , Colin L. Mallows , Jean Meloche
发明人： Lorraine Denby , Colin L. Mallows , Jean Meloche
IPC分类号： G01R31/08 , G06F11/00 , G08C15/00 , H04J1/16 , H04J3/14 , H04L1/00 , H04L12/26 , H04L12/28
CPC分类号： H04L12/2697 , H04L43/50
摘要： A distributed monitoring system comprises a plurality of agents configured for communication with at least one central server. A given one of the agents obtains measurement data, and applies a statistical test to the measurement data. Based on a result of the statistical test, the given agent determines whether or not an update needs to be sent by the agent to the central server. The agent sends the update to the central server if the determination indicates that the update should be sent.
摘要翻译：分布式监控系统包括被配置为与至少一个中央服务器进行通信的多个代理。给定的一个代理获得测量数据，并对测量数据应用统计测试。基于统计测试的结果，给定代理确定代理是否需要向中央服务器发送更新。如果确定指示应该发送更新，代理将更新发送到中央服务器。

7. 发明申请

US20080080376A1 Root Cause Analysis of Network Performance Based on Exculpation or Inculpation Sets 有权
标题翻译：基于排除或插入集的网络性能的根本原因分析
公开(公告)号：US20080080376A1
公开(公告)日：2008-04-03
申请号：US11536229
申请日：2006-09-28
申请人： Akshay Adhikari , Lorraine Denby , Colin L. Mallows , Jean Meloche , Balaji Rao
发明人： Akshay Adhikari , Lorraine Denby , Colin L. Mallows , Jean Meloche , Balaji Rao
IPC分类号： H04L12/26
CPC分类号： H04L43/00 , H04L41/0213 , H04L41/0631 , H04L41/0677 , H04L41/5003 , H04L41/5096 , H04L43/0829 , H04L43/0852 , H04L43/087 , H04L43/16
摘要： Performance problems or other conditions are analyzed in a system comprising a plurality of endpoint devices and an associated centralized or distributed controller. End-to-end measurements are obtained for respective paths through the network, for example, using communications between the endpoint devices. For a given end-to-end measurement obtained for a particular one of the paths, a value of a performance indicator for the path is determined and the performance indicator value is assigned to each of a plurality of links of the path. The determining and assigning operations are repeated for additional ones of the end-to-end measurements, the links are grouped into one or more exculpation or inculpation sets based on how many times a particular performance indicator value has been assigned to each of the links, and the one or more sets are utilized to determine, for example, the location of a performance problem in the network.
摘要翻译：在包括多个端点设备和相关联的集中式或分布式控制器的系统中分析性能问题或其他条件。通过网络获得针对相应路径的端到端测量，例如使用端点设备之间的通信。对于针对特定路径获得的给定的端到端测量，确定路径的性能指示符的值，并且将性能指标值分配给路径的多个链路中的每一个。针对附加的端到端测量重复确定和分配操作，基于特定的性能指标值被分配给每个链路多少次，将链路分组成一个或多个排除或者填充集合，并且使用一个或多个集合来确定例如网络中的性能问题的位置。

8. 发明授权

US09026654B2 Peer-to-peer overlay graph construction 有权
标题翻译：对等覆盖图构造
公开(公告)号：US09026654B2
公开(公告)日：2015-05-05
申请号：US11586709
申请日：2006-10-26
申请人： Jean Meloche , Shalini Yajnik , Parameshwaran Krishnan , Stanko Dimitrov , Colin L. Mallows , Jon Bentley
发明人： Jean Meloche , Shalini Yajnik , Parameshwaran Krishnan , Stanko Dimitrov , Colin L. Mallows , Jon Bentley
IPC分类号： G06F15/173 , H04L12/24 , H04L12/26
CPC分类号： H04L41/12 , H04L41/06 , H04L43/0811
摘要： Systems and methods for constructing and maintaining a peer-to-peer overlay graph are disclosed herein. The systems and methods include adding a node to the overlay graph. Adding the node includes choosing an edge that is not connected to the node, breaking the edge and connecting the node to broken edge nodes previously connected to the edge. The process is repeating if additional connections are need and node addition data is stored for the node.
摘要翻译：本文公开了用于构建和维护对等覆盖图的系统和方法。系统和方法包括将一个节点添加到重叠图。添加节点包括选择未连接到节点的边缘，破坏边缘并将节点连接到先前连接到边缘的断裂边缘节点。如果需要附加连接并且为节点存储节点添加数据，则该过程正在重复。

9. 发明申请

US20080155520A1 Peer-to-peer overlay graph construction 有权
标题翻译：对等覆盖图构造
公开(公告)号：US20080155520A1
公开(公告)日：2008-06-26
申请号：US11586709
申请日：2006-10-26
申请人： Jean Meloche , Shalini Yajnik , P. Krishnan , Stanko Dimitrov , Colin L. Mallows , Jon Bentley
发明人： Jean Meloche , Shalini Yajnik , P. Krishnan , Stanko Dimitrov , Colin L. Mallows , Jon Bentley
IPC分类号： G06F9/45
CPC分类号： H04L41/12 , H04L41/06 , H04L43/0811
摘要： Systems and methods for constructing and maintaining a peer-to-peer overlay graph are disclosed herein. The systems and methods include adding a node to the overlay graph. Adding the node includes choosing an edge that is not connected to the node, breaking the edge and connecting the node to broken edge nodes previously connected to the edge. The process is repeating if additional connections are need and node addition data is stored for the node.
摘要翻译：本文公开了用于构建和维护对等覆盖图的系统和方法。系统和方法包括将一个节点添加到重叠图。添加节点包括选择未连接到节点的边缘，破坏边缘并将节点连接到先前连接到边缘的断裂边缘节点。如果需要附加连接并且为节点存储节点添加数据，则该过程正在重复。

10. 发明授权

US07688758B2 Node merging process for network topology representation 有权
标题翻译：网络拓扑表示的节点合并过程
公开(公告)号：US07688758B2
公开(公告)日：2010-03-30
申请号：US11768442
申请日：2007-06-26
申请人： Lorraine Denby , Jean Meloche , Balaji Sathyanarayana Rao , John R. Tuck, Jr.
发明人： Lorraine Denby , Jean Meloche , Balaji Sathyanarayana Rao , John R. Tuck, Jr.
IPC分类号： H04L12/28
CPC分类号： H04L43/0852 , H04L41/12
摘要： Node merging methods and apparatus are disclosed for generating simplified representations of network topology. A first topology representative of a given network is determined, and at least one pair of nodes of the first topology is merged into a single node based on measures associated with respective edges connecting the nodes of the node pair to at least one neighbor node common to that pair. The merging step is repeated for one or more additional pairs of nodes to produce a reduced network topology meeting one or more desired criteria, and a visualization or other representation of the reduced network topology is generated.
摘要翻译：公开了用于生成网络拓扑的简化表示的节点合并方法和装置。确定给定网络的第一拓扑，并且基于与将节点对的节点连接到至少一个相邻节点的相应边缘相关联的度量将第一拓扑的至少一对节点合并到单个节点中那对对于一个或多个另外的附加对节点重复合并步骤以产生满足一个或多个期望准则的减小的网络拓扑，并且生成减少的网络拓扑的可视化或其他表示。

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