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71. 发明申请

US20090141647A1 Acknowledgment of Media Waveforms between Telecommunications Endpoints 有权
标题翻译：确认电讯终端之间的媒体波形
公开(公告)号：US20090141647A1
公开(公告)日：2009-06-04
申请号：US11949615
申请日：2007-12-03
申请人： Eric John Diethorn , P. Krishnan , Jean Meloche , Balaji Sathyanarayana Rao , Jay M. Stiles , John R. Tuck, JR.
发明人： Eric John Diethorn , P. Krishnan , Jean Meloche , Balaji Sathyanarayana Rao , Jay M. Stiles , John R. Tuck, JR.
IPC分类号： H04L12/26
CPC分类号： H04L1/20 , G10L25/69
摘要： An apparatus and method are disclosed that enable a first telecommunications endpoint to ensure that a second endpoint is receiving the first endpoint's packet stream transmissions with a satisfactory waveform quality. When the second endpoint receives the packet stream, it decodes the media waveform from the stream, encodes the waveform back into a second packet stream, and transmits some or all of the packets in the second stream back to the first endpoint. The first endpoint then decodes the received waveform in the second stream and compares it to the original waveform transmitted to the second endpoint. Based on the comparison, the first endpoint adjusts the value of a quality indication, and provides the quality indication to its user and to the second endpoint. Advantageously, the user at the second endpoint is able to determine whether the received waveform is, in fact, close enough to the waveform that the first endpoint's user intended to be received and understood.
摘要翻译：公开了一种能够使第一电信端点确保第二端点以令人满意的波形质量接收第一端点的分组流传输的装置和方法。当第二端点接收到分组流时，它从流解码媒体波形，将波形编码回第二分组流，并将第二流中的一些或全部分组发回到第一端点。然后，第一端点对第二流中的接收波形进行解码，并将其与发送到第二端点的原始波形进行比较。基于比较，第一端点调整质量指示的值，并向其用户和第二端点提供质量指示。有利地，第二端点处的用户能够确定接收到的波形实际上是否足够接近第一端点的用户意图被接收和理解的波形。

72. 发明申请

US20080205292A1 Detection of Asymmetric Network Routes 有权
标题翻译：检测不对称网络路由
公开(公告)号：US20080205292A1
公开(公告)日：2008-08-28
申请号：US11678940
申请日：2007-02-26
申请人： Lorraine Denby , Jean Meloche , John R. Tuck
发明人： Lorraine Denby , Jean Meloche , John R. Tuck
IPC分类号： H04L12/28
CPC分类号： H04L45/26 , H04L43/0829 , H04L43/0864 , H04L43/10 , H04L45/00
摘要： Route asymmetry is detected in a network by running a route tracing program to trace routes between a first element of the network and a second element of the network. The route tracing program need be run at only a single network element, such as the first network element. Forward and reverse routes between the first and second network elements are identified as asymmetric if performance data from the route tracing program indicates a significant deviation from an expected monotonic characteristic as a function of time-to-live values of respective packets transmitted by the route tracing program.
摘要翻译：通过运行路由跟踪程序来跟踪网络的第一个元素和网络的第二个元素之间的路由，在网络中检测到路由不对称。路由跟踪程序只需要在单个网元上运行，例如第一个网元。第一和第二网络元件之间的正向和反向路由被标识为不对称，如果路由跟踪程序的性能数据表示与期望的单调特性的显着偏差，作为通过路由跟踪发送的各个分组的生存时间值的函数程序。

73. 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。

74. 发明申请

US20050207410A1 Automatic determination of connectivity problem locations or other network-characterizing information in a network utilizing an encapsulation protocol 有权
标题翻译：利用封装协议自动确定网络中的连接问题位置或其他网络特征信息
公开(公告)号：US20050207410A1
公开(公告)日：2005-09-22
申请号：US11014546
申请日：2004-12-16
申请人： Akshay Adhikari , Amit Agarwal , Lorraine Denby , Russell Jones , Rod Livingood , Jean Meloche , Anupam Rai , Wayne Sam , John Tuck
发明人： Akshay Adhikari , Amit Agarwal , Lorraine Denby , Russell Jones , Rod Livingood , Jean Meloche , Anupam Rai , Wayne Sam , John Tuck
IPC分类号： H04L12/24 , H04L12/26 , H04L12/46 , H04L12/56 , H04L29/06
CPC分类号： H04L45/00 , H04L12/4633 , H04L12/4675 , H04L41/0677 , H04L41/145 , H04L43/10 , H04L43/50 , H04L45/20 , H04L45/26 , H04L69/22
摘要： Techniques for determining a problem location or otherwise characterizing a network comprising a plurality of processing elements, including at least one processing element associated with performance of a packet encapsulation operation of an encapsulation protocol. The packet encapsulation operation is performed on a test packet to generate an encapsulated packet, the test packet having a time to live (TTL) value and an identifier. In conjunction with performance of the packet encapsulation operation, the TTL value and the identifier of the test packet are copied to a header of the encapsulated packet. The encapsulated packet is transmitted, and a determination is made as to whether a reply packet has been received responsive to transmission of the encapsulated packet. The reply packet, if any, is processed to obtain information utilizable in determining the problem location or otherwise characterizing the network. By way of example, these operations may be repeated, for subsequent test packets with increasing TTL values, until an amount of router hop information sufficient to determine the problem location is obtained.
摘要翻译：用于确定问题位置或以其他方式表征包括多个处理元件的网络的技术，包括与执行封装协议的分组封装操作相关联的至少一个处理元件。在测试分组上执行分组封装操作以生成封装分组，测试分组具有生存时间（TTL）值和标识符。结合分组封装操作的性能，将TTL值和测试分组的标识符复制到封装分组的报头。发送封装的分组，并且确定响应于封装分组的传输是否已经接收到应答分组。处理回复数据包（如果有的话）以获得可用于确定问题位置或以其他方式表征网络的信息。作为示例，对于具有增加的TTL值的后续测试分组，可以重复这些操作，直到获得足以确定问题位置的路由器跳跃信息的量。

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