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1. 发明授权

US07633942B2 Network traffic generation and monitoring systems and methods for their use in testing frameworks for determining suitability of a network for target applications 有权
标题翻译：网络流量生成和监控系统及其方法，用于测试框架，用于确定目标应用程序的网络适用性
公开(公告)号：US07633942B2
公开(公告)日：2009-12-15
申请号：US10270122
申请日：2002-10-15
申请人： Mark J. Bearden , Lorraine Denby , Bengi Karacali , Jean Meloche , David Thomas Stott , Shane M. Sullivan , Clayton Whitehead , Kenneth Kane
发明人： Mark J. Bearden , Lorraine Denby , Bengi Karacali , Jean Meloche , David Thomas Stott , Shane M. Sullivan , Clayton Whitehead , Kenneth Kane
IPC分类号： H04L12/56
CPC分类号： H04L41/0213 , H04L41/0631 , H04L41/0681 , H04L41/12 , H04L41/22 , H04L41/50 , H04L43/0823 , H04L43/0876 , H04L43/50 , H04M3/2236 , H04M3/2254 , H04M7/006
摘要： A system for monitoring traffic on a network first discovers the network so as to map the various devices and links in the network. Statistics are then gathered from various points in the network relating to quality of service, and especially loads on the network devices. Synthetic calls are generated at selected points of the network while monitoring the network. This data is then stored and displayed in a manner that is easy for the operator to analyze, with more detailed displays being available through the use of a mouse or keystrokes.
摘要翻译：用于监视网络上的流量的系统首先发现网络，以便映射网络中的各种设备和链路。然后从与服务质量有关的各个方面收集统计数据，特别是网络设备上的负载。在监控网络的同时，在网络的选定点生成合成呼叫。然后以便于操作者分析的方式存储和显示该数据，通过使用鼠标或按键可获得更详细的显示。

2. 发明授权

US07313098B2 Communication system endpoint device with integrated call synthesis capability 有权
标题翻译：具有集成呼叫综合能力的通信系统端点设备
公开(公告)号：US07313098B2
公开(公告)日：2007-12-25
申请号：US10261431
申请日：2002-09-30
申请人： Mark J. Bearden , Scott Vincent Bianco , Lorraine Denby , Bengi Karacali , Jean Meloche , David Thomas Stott , Shane M. Sullivan
发明人： Mark J. Bearden , Scott Vincent Bianco , Lorraine Denby , Bengi Karacali , Jean Meloche , David Thomas Stott , Shane M. Sullivan
IPC分类号： H04J1/16 , G06F15/16
CPC分类号： H04M3/301 , H04J3/0682 , H04L1/205 , H04L1/24 , H04L43/50 , H04L65/608 , H04L65/80 , H04M7/006
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, an endpoint device of the system includes an integrated call synthesis capability. More particularly, the endpoint device is configurable into at least a first mode of operation in which the device responds to one or more commands from a testing server of the system directing the device to participate in a synthetic call or other test communication within the system, and a second mode of operation in which the device is utilizable by a system user to establish an actual communication. Other aspects of the invention relating to kernel timestamping and timestamp post-processing provide improved accuracy for measurements such as jitter, loss and delay.
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，系统的端点设备包括综合呼叫合成能力。更具体地，端点设备可配置成至少第一操作模式，其中设备响应来自系统的测试服务器的一个或多个命令，该系统指示设备参与系统内的合成呼叫或其他测试通信，以及第二操作模式，其中该设备可由系统用户利用以建立实际的通信。与内核时间戳和时间戳后处理相关的本发明的其它方面为诸如抖动，丢失和延迟的测量提供了改善的精度。

3. 发明授权

US08543681B2 Network topology discovery systems and methods 有权
标题翻译：网络拓扑发现系统和方法
公开(公告)号：US08543681B2
公开(公告)日：2013-09-24
申请号：US10270335
申请日：2002-10-15
申请人： Mark J. Bearden , Lorraine Denby , Bengi Karacali , Jean Meloche , David Thomas Stott
发明人： Mark J. Bearden , Lorraine Denby , Bengi Karacali , Jean Meloche , David Thomas Stott
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： H04L41/0213 , H04L41/0663 , H04L41/12 , H04L41/22 , H04L41/5035 , H04L41/5051 , H04L41/5087 , H04L41/509 , H04L43/0811 , H04L43/50 , H04M3/2236 , H04M3/2254 , H04M7/006
摘要： A system discovers the topology of devices in a network, such as all of the layer-2 and layer-3 devices, including routers and switches. The devices are mapped, as well as the links that join them. The devices are polled using SNMP requests. Route tables are derived from each router to determine addresses of the devices. A spanning tree process is used to discover layer-2 devices. Connections between layers are then discovered. Where information is incomplete, an undiscovered router cloud is recognized.
摘要翻译：系统发现网络中设备的拓扑，例如所有第2层和第3层设备，包括路由器和交换机。设备被映射，以及加入它们的链接。使用SNMP请求轮询设备。从每个路由器导出路由表以确定设备的地址。生成树进程用于发现第二层设备。然后发现层之间的连接。如果信息不完整，则未识别的路由器云被识别。

4. 发明授权

US08868715B2 Report generation and visualization systems and methods and their use in testing frameworks for determining suitability of a network for target applications 有权
标题翻译：报告生成和可视化系统和方法及其在测试框架中的用途，以确定目标应用程序的网络适用性
公开(公告)号：US08868715B2
公开(公告)日：2014-10-21
申请号：US10270011
申请日：2002-10-15
申请人： Mark J. Bearden , Lorraine Denby , Bengi Karacali , Jean Meloche , David Thomas Stott
发明人： Mark J. Bearden , Lorraine Denby , Bengi Karacali , Jean Meloche , David Thomas Stott
IPC分类号： G06F15/173 , H04L12/24 , H04M3/22 , H04L12/26 , H04M7/00
CPC分类号： H04M3/2254 , H04L41/0213 , H04L41/0631 , H04L41/0681 , H04L41/12 , H04L41/22 , H04L43/50 , H04M3/2236 , H04M7/006
摘要： A system visualizes and generates reports from stored data, concerning various measured parameters related to a network carrying call traffic. The network is displayed in an easily recognized arrangement, with various parameters being indicated by different shapes and colors for each device on the network. The parameters are changed to indicate the status of the network at different times. More detailed information about a parameter, a device or a path between devices may be obtained simply using a mouse or keystrokes. A variety of different types of detailed displays allows the operator to troubleshoot problems in the network.
摘要翻译：系统可视化并生成来自存储数据的报告，涉及与承载呼叫流量的网络相关的各种测量参数。网络以容易识别的布置显示，各种参数由网络上的每个设备的不同形状和颜色指示。更改参数以指示网络在不同时间的状态。有关参数，设备或设备之间的路径的更详细信息可以简单地使用鼠标或击键来获得。各种不同类型的详细显示器允许操作员排除网络中的问题。

5. 发明授权

US08050199B2 Endpoint registration with local back-off in a call processing system 有权
标题翻译：在呼叫处理系统中使用本地退避的端点注册
公开(公告)号：US08050199B2
公开(公告)日：2011-11-01
申请号：US10940464
申请日：2004-09-14
申请人： Sachin Garg , Chandra M. R. Kintala , Edward Vincent Naybor , David Thomas Stott
发明人： Sachin Garg , Chandra M. R. Kintala , Edward Vincent Naybor , David Thomas Stott
IPC分类号： H04L12/16
CPC分类号： H04L67/1034 , H04L65/1073 , H04L67/1002 , H04L67/1019 , H04L69/40 , H04M3/12 , H04M3/5234 , H04M3/5237
摘要： A call processing system, which may include multiple distributed call center sites, utilizes a local back-off approach to endpoint registration. The call processing system comprises a plurality of endpoints and at least a first server, wherein the endpoints register with the first server in order to send and receive calls in the call processing system. Responsive to an end-to-end connectivity failure or other designated event, a registration process is initiated in the call processing system for a given one of the endpoints. The issuance of at least one message of the sequence for the given endpoint is controlled so as to provide a local random back-off or other local back-off of the controlled message at that endpoint. For example, a second server implemented as an aggregation server may be operative to control the issuance of messages by the endpoints so as to provide a local random back-off for each of the plurality of endpoints by staggering the delivery of failure notifications to the endpoints.
摘要翻译：呼叫处理系统可以包括多个分布式呼叫中心站点，利用本地退避方法进行端点注册。呼叫处理系统包括多个端点和至少第一服务器，其中终端向第一服务器注册，以便在呼叫处理系统中发送和接收呼叫。响应于端到端连接故障或其他指定事件，在给定的一个端点的呼叫处理系统中启动注册过程。对给定端点的序列的至少一个消息的发布进行控制，以便在该端点处提供受控消息的本地随机退避或其他本地备用。例如，实现为聚合服务器的第二服务器可以操作以控制端点的消息的发布，以便通过交错到端点的故障通知的传递来为多个端点中的每一个提供本地随机退避。

6. 发明授权

US07639668B2 Method for securing RTS communications across middleboxes 有权
标题翻译：用于保护跨中间站的RTS通信的方法
公开(公告)号：US07639668B2
公开(公告)日：2009-12-29
申请号：US11141516
申请日：2005-05-31
申请人： David Thomas Stott
发明人： David Thomas Stott
IPC分类号： H04L12/66 , H04L12/28
CPC分类号： H04L29/06027 , H04L63/029 , H04L65/1006
摘要： A new method is provided for establishing real-time services that can coexist with NAT and firewalls, even when the signaling protocol uses cryptography. A communication channel between the call server and the middlebox passes information between them about the bearer channels associated with each signaling session.
摘要翻译：提供了一种新的方法，用于建立可与NAT和防火墙共存的实时服务，即使信令协议使用密码术也是如此。呼叫服务器和中间箱之间的通信信道在它们之间传递关于与每个信令会话相关联的承载信道的信息。

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