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1. 发明申请

US20060206606A1 Method and apparatus for providing dynamic traffic control within a communications network 审中-公开
标题翻译：用于在通信网络内提供动态业务控制的方法和装置
公开(公告)号：US20060206606A1
公开(公告)日：2006-09-14
申请号：US11074988
申请日：2005-03-08
申请人： Ali Iloglu , Han Nguyen , John Mulligan , Kevin D'Souza
发明人： Ali Iloglu , Han Nguyen , John Mulligan , Kevin D'Souza
IPC分类号： G06F15/173
CPC分类号： H04L41/0893 , H04L45/04 , H04L45/42
摘要： A method and apparatus for providing traffic management through dynamic and granular definitions of route groups. Within a communications network, a traffic routing control unit (e.g., an intelligent route service control point (IRSCP)) creates route group assignments for each route within a customers network in accordance with a customer's routing plan, determines protocol control values to be set within each edge router of the network to fulfill the group assignments, and uses border gateway protocol (BGP) to set the protocol control values in the edge routers to facilitate fulfilling the route group assignments. Using the traffic routing control unit and programming the protocol control values of the edge routers, enables the network to be flexibly defined and the traffic routing within the network to have very granular control.
摘要翻译：一种用于通过路由组的动态和粒度定义来提供流量管理的方法和装置。在通信网络内，业务路由控制单元（例如，智能路由业务控制点（IRSCP））根据客户的路由计划为客户网络内的每个路由创建路由组分配，确定要在其中设置的协议控制值网络的每个边缘路由器完成组分配，并使用边界网关协议（BGP）在边缘路由器中设置协议控制值，以便于完成路由组分配。使用流量路由控制单元和编程边缘路由器的协议控制值，可以灵活定义网络，网络内的流量路由具有非常细微的控制。

2. 发明申请

US20070124497A1 Method for verifying newly provisioned customer network route advertisements 有权
标题翻译：验证新提供的客户网络路由广告的方法
公开(公告)号：US20070124497A1
公开(公告)日：2007-05-31
申请号：US11699118
申请日：2007-01-29
申请人： Kevin D'Souza , Han Nguyen , Leah Zhang
发明人： Kevin D'Souza , Han Nguyen , Leah Zhang
IPC分类号： G06F15/173
CPC分类号： H04L45/021 , H04L45/02 , H04L45/04
摘要： Route advertisement requests made by a customer are received at route provisioning center (20) to effect either advertisement of a newly provisioned route or withdrawal of an existing route. In the case of a request to advertise a newly provisioned route, the request is subjected to validation, and if unable to be validated, the request is rejected. Upon validation of a new route advertisement, or following receipt of a request to withdraw an existing route advertisement, the customer-entered request is entered into an official routing database (26) for subsequent propagation to network access providers (14, 16 and 18). Periodically, a check is made to verify that the customer-entered request remains active.
摘要翻译：在路由配置中心（20）处接收到客户做出的路由广播请求，以实现新提供的路由的广告或现有路由的撤销。在要求广告新配置的路由的情况下，请求被验证，并且如果不能被验证，则该请求被拒绝。在验证新的路线广告之后，或在接收到撤回现有路线广告的请求之后，客户输入的请求被输入到官方路由数据库（26）中，以便随后传播到网络接入提供商（14,16和18）。定期检查以确认客户输入的请求是否保持活动。

3. 发明申请

US20120269073A1 METHODS, APPARATUS AND ARTICLES OF MANUFACTURE TO MONITOR COMMUNICATION PATHS IN COMMUNICATION SYSTEMS 有权
标题翻译：通信系统监控通信方式，装置及其制造方法
公开(公告)号：US20120269073A1
公开(公告)日：2012-10-25
申请号：US13538626
申请日：2012-06-29
申请人： Zhijian Xu , Chee Ching , Kevin D'Souza , Joseph Lu , David H. Lu , Chen-Yui Yang , Leah Li Zhang
发明人： Zhijian Xu , Chee Ching , Kevin D'Souza , Joseph Lu , David H. Lu , Chen-Yui Yang , Leah Li Zhang
IPC分类号： H04L12/26
CPC分类号： H04L43/0811 , H04L41/12 , H04L43/0817 , H04L43/50 , H04L45/00 , H04L45/04
摘要： Example methods, apparatus and articles of manufacture to monitor communication paths in communication systems are disclosed. An example method includes identifying links of a communication system, the links communicatively coupling routers, identifying communication paths in the communication system, each of the communication paths being routed via one or more of the links, testing the links during a first interval by testing at least a first portion of the communication paths, testing the links during the second interval by testing at least a second portion of the communication paths, changing the first portion of the communication paths to include at least one of the communication paths from the second portion of the communication paths such that testing the first portion of the communication paths and testing the second portion of the communication paths collectively test each of the links, and identifying a link failure based on the testing.
摘要翻译：公开了用于监测通信系统中的通信路径的示例性方法，装置和制造品。示例性方法包括识别通信系统的链路，通信地连接路由器的链路，识别通信系统中的通信路径，每个通信路径经由一个或多个链路路由，在第一间隔期间测试链路，至少第一部分通信路径，通过测试通信路径的至少第二部分来测试第二间隔期间的链路，改变通信路径的第一部分以包括来自第二部分的通信路径中的至少一个，通信路径使得测试通信路径的第一部分并测试通信路径的第二部分共同测试每个链路，并且基于测试来识别链路故障。

4. 发明授权

US07774500B1 Method and apparatus for flexible network management of multiple customer virtual private networks 失效
标题翻译：多个客户虚拟专用网络的灵活网络管理方法和装置
公开(公告)号：US07774500B1
公开(公告)日：2010-08-10
申请号：US10940548
申请日：2004-09-14
申请人： Kevin D'Souza , Leah Zhang
发明人： Kevin D'Souza , Leah Zhang
IPC分类号： G06F15/173
CPC分类号： H04L41/5064
摘要： The invention comprises a method and apparatus for deriving at least one router configuration of at least one datacenter edge router and at least one provider edge router to support at least one datacenter managing at least one customer virtual private network. Specifically, the method comprises assigning at least one datacenter profile to the at least one datacenter, and assigning a datacenter profile route-target to the at least one datacenter profile.
摘要翻译：本发明包括用于导出至少一个数据中心边缘路由器和至少一个提供商边缘路由器的至少一个路由器配置的方法和装置，以支持管理至少一个客户虚拟专用网络的至少一个数据中心。具体地说，该方法包括将至少一个数据中心配置文件分配给至少一个数据中心，以及将数据中心配置文件路由目标分配给至少一个数据中心配置文件。

5. 发明授权

US08279771B2 Methods, apparatus and articles of manufacture to monitor communication paths in communication systems 失效
标题翻译：用于监测通信系统中的通信路径的方法，装置和制品
公开(公告)号：US08279771B2
公开(公告)日：2012-10-02
申请号：US12567312
申请日：2009-09-25
申请人： Zhijian Xu , Chee Ching , Kevin D'Souza , Joseph Lu , David H. Lu , Chen-Yui Yang , Leah Li Zhang
发明人： Zhijian Xu , Chee Ching , Kevin D'Souza , Joseph Lu , David H. Lu , Chen-Yui Yang , Leah Li Zhang
IPC分类号： H04L12/28
CPC分类号： H04L43/0811 , H04L41/12 , H04L43/0817 , H04L43/50 , H04L45/00 , H04L45/04
摘要： Example methods, apparatus and articles of manufacture to monitor communication paths in communication systems are disclosed. A disclosed example method includes identifying first and second inter-network communication links of a communication system, identifying a first plurality of router pairs associated with the first inter-network communication link, identifying a second plurality of router pairs associated with the second inter-network communication link, partitioning the first plurality of router pairs into a first subset of router pairs and a second subset of router pairs, partitioning the second plurality of router pairs into a third subset of router pairs and a fourth subset of router pairs, during a first time interval, performing first reachability tests for respective ones of the first and third subsets of router pairs, and during a second time interval, performing second reachability tests for respective ones of the second and fourth subsets of router pairs.
摘要翻译：公开了用于监测通信系统中的通信路径的示例性方法，装置和制造品。所公开的示例性方法包括识别通信系统的第一和第二网络间通信链路，识别与第一网络间通信链路相关联的第一多个路由器对，识别与第二网络间相关联的第二多个路由器对通信链路，将所述第一多个路由器对划分成路由器对的第一子集和路由器对的第二子集，在所述第一子集中的所述第一组路由器对中，将所述第二多个路由器对划分为路由器对的第三子集和路由器对的第四子集，时间间隔，对路由器对的第一和第三子集中的各个进行第一可达性测试，并且在第二时间间隔期间，为路由器对的第二和第四子集中的相应的一个进行第二可达性测试。

6. 发明授权

US08161194B2 Method and apparatus for flexible network management of multiple customer virtual private networks 有权
标题翻译：多个客户虚拟专用网络的灵活网络管理方法和装置
公开(公告)号：US08161194B2
公开(公告)日：2012-04-17
申请号：US12852602
申请日：2010-08-09
申请人： Kevin D'Souza , Leah Zhang
发明人： Kevin D'Souza , Leah Zhang
IPC分类号： G06F15/173
CPC分类号： H04L41/5064
摘要： The invention comprises a method and apparatus for deriving at least one router configuration of at least one datacenter edge router and at least one provider edge router to support at least one datacenter managing at least one customer virtual private network. Specifically, the method comprises assigning at least one datacenter profile to the at least one datacenter, and assigning a datacenter profile route-target to the at least one datacenter profile.
摘要翻译：本发明包括用于导出至少一个数据中心边缘路由器和至少一个提供商边缘路由器的至少一个路由器配置的方法和装置，以支持管理至少一个客户虚拟专用网络的至少一个数据中心。具体地说，该方法包括将至少一个数据中心配置文件分配给至少一个数据中心，以及将数据中心配置文件路由目标分配给至少一个数据中心配置文件。

7. 发明授权

US07995491B1 MPLS VPN connectivity alarm storm reduction 有权
标题翻译： MPLS VPN连接报警风暴减少
公开(公告)号：US07995491B1
公开(公告)日：2011-08-09
申请号：US11406968
申请日：2006-04-19
申请人： Rohini Bhangley , Li-Jin Chung , Kevin D'Souza , Madhukar Kshirsagar , Leah Zhang
发明人： Rohini Bhangley , Li-Jin Chung , Kevin D'Souza , Madhukar Kshirsagar , Leah Zhang
IPC分类号： H04L12/00
CPC分类号： H04L41/0631 , H04L12/4641 , H04L41/0622 , H04L43/0811 , H04L45/50
摘要： Techniques for monitoring and processing network reachability events across a service provider's network are disclosed. The techniques include monitoring provider-edge routers by identifying reachability events and partial packet loss events, and processing those events so as to reduce the number of alarms generated for investigation.
摘要翻译：披露了跨服务提供商网络监控和处理网络可达性事件的技术。这些技术包括通过识别可达性事件和部分数据包丢失事件来监视提供商边缘路由器，并处理这些事件，以减少为了调查而产生的警报数量。

8. 发明授权

US08498203B2 Methods, apparatus and articles of manufacture to monitor communication paths in communication systems 有权
标题翻译：用于监测通信系统中的通信路径的方法，装置和制品
公开(公告)号：US08498203B2
公开(公告)日：2013-07-30
申请号：US13538626
申请日：2012-06-29
申请人： Zhijian Xu , Chee Ching , Kevin D'Souza , Joseph Lu , David H. Lu , Chen-Yui Yang , Leah Li Zhang
发明人： Zhijian Xu , Chee Ching , Kevin D'Souza , Joseph Lu , David H. Lu , Chen-Yui Yang , Leah Li Zhang
IPC分类号： G01R31/08 , H04L12/56
CPC分类号： H04L43/0811 , H04L41/12 , H04L43/0817 , H04L43/50 , H04L45/00 , H04L45/04
摘要： Example methods, apparatus and articles of manufacture to monitor communication paths in communication systems are disclosed. An example method includes identifying links of a communication system, the links communicatively coupling routers, identifying communication paths in the communication system, each of the communication paths being routed via one or more of the links, testing the links during a first interval by testing at least a first portion of the communication paths, testing the links during the second interval by testing at least a second portion of the communication paths, changing the first portion of the communication paths to include at least one of the communication paths from the second portion of the communication paths such that testing the first portion of the communication paths and testing the second portion of the communication paths collectively test each of the links, and identifying a link failure based on the testing.
摘要翻译：公开了用于监测通信系统中的通信路径的示例性方法，装置和制造品。示例性方法包括识别通信系统的链路，通信地连接路由器的链路，识别通信系统中的通信路径，每个通信路径经由一个或多个链路路由，在第一间隔期间测试链路，至少第一部分通信路径，通过测试通信路径的至少第二部分来测试第二间隔期间的链路，改变通信路径的第一部分以包括来自第二部分的通信路径中的至少一个，通信路径使得测试通信路径的第一部分并测试通信路径的第二部分共同测试每个链路，并且基于测试来识别链路故障。

9. 发明申请

US20110075567A1 METHODS, APPARATUS AND ARTICLES OF MANUFACTURE TO MONITOR COMMUNICATION PATHS IN COMMUNICATION SYSTEMS 失效
标题翻译：通信系统监控通信方式，装置及其制造方法
公开(公告)号：US20110075567A1
公开(公告)日：2011-03-31
申请号：US12567312
申请日：2009-09-25
申请人： Zhijian Xu , Chee Ching , Kevin D'Souza , Joseph Lu , David H. Lu , Chen-Yui Yang , Leah Li Zhang
发明人： Zhijian Xu , Chee Ching , Kevin D'Souza , Joseph Lu , David H. Lu , Chen-Yui Yang , Leah Li Zhang
IPC分类号： H04L12/26 , H04L12/28
CPC分类号： H04L43/0811 , H04L41/12 , H04L43/0817 , H04L43/50 , H04L45/00 , H04L45/04
摘要： Example methods, apparatus and articles of manufacture to monitor communication paths in communication systems are disclosed. A disclosed example method includes identifying first and second inter-network communication links of a communication system, identifying a first plurality of router pairs associated with the first inter-network communication link, identifying a second plurality of router pairs associated with the second inter-network communication link, partitioning the first plurality of router pairs into a first subset of router pairs and a second subset of router pairs, partitioning the second plurality of router pairs into a third subset of router pairs and a fourth subset of router pairs, during a first time interval, performing first reachability tests for respective ones of the first and third subsets of router pairs, and during a second time interval, performing second reachability tests for respective ones of the second and fourth subsets of router pairs.
摘要翻译：公开了用于监测通信系统中的通信路径的示例性方法，装置和制造品。所公开的示例性方法包括识别通信系统的第一和第二网络间通信链路，识别与第一网络间通信链路相关联的第一多个路由器对，识别与第二网络间相关联的第二多个路由器对通信链路，将所述第一多个路由器对划分成路由器对的第一子集和路由器对的第二子集，在所述第一子集中的所述第一组路由器对中，将所述第二多个路由器对划分为路由器对的第三子集和路由器对的第四子集，时间间隔，对路由器对的第一和第三子集中的各个进行第一可达性测试，并且在第二时间间隔期间，为路由器对的第二和第四子集中的相应的一个进行第二可达性测试。

10. 发明授权

US07881210B2 Method and apparatus for identifying label distribution protocol flapping events 有权
标题翻译：用于识别标签分发协议拍打事件的方法和装置
公开(公告)号：US07881210B2
公开(公告)日：2011-02-01
申请号：US12248316
申请日：2008-10-09
申请人： Kevin D'Souza , Leah Zhang
发明人： Kevin D'Souza , Leah Zhang
IPC分类号： G01R31/08
CPC分类号： H04L45/50 , H04L45/02 , H04L45/028 , H04L45/507
摘要： A method and apparatus for identifying a Label Distribution Protocol (LDP) flapping event in a communication network are disclosed. For example, the method counts a total number of LDP session up events, a total number of LDP session down events, a total number of link up events, and a total number of link down events within a predetermined time interval. The method then determines an occurrence of a LDP flapping event using the plurality of total numbers.
摘要翻译：公开了一种在通信网络中识别标签分发协议（LDP）拍打事件的方法和装置。例如，该方法计数在预定时间间隔内的LDP会话向上事件的总数，LDP会话关闭事件的总数，链路上升事件的总数以及链路关闭事件的总数。该方法然后使用多个总数确定LDP拍打事件的发生。

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