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1. 发明授权

US07778190B2 Correlating label switched paths of a pseudowire 有权
标题翻译：伪线的相关标签切换路径
公开(公告)号：US07778190B2
公开(公告)日：2010-08-17
申请号：US11863374
申请日：2007-09-28
申请人： Calvin Wan , Ronald P Folkes , Nimer I. Yaseen , Chenjiang Hu
发明人： Calvin Wan , Ronald P Folkes , Nimer I. Yaseen , Chenjiang Hu
IPC分类号： H04L12/26 , H04L12/56
CPC分类号： H04L45/00 , H04L45/22 , H04L45/28 , H04L45/50 , H04L45/68
摘要： In one embodiment, correlating label switched paths of a pseudowire includes receiving a first message at a second label switching router. The first message is sent from a first label switching router and includes a pseudowire identifier and a first label switched path identifier. The pseudowire identifier identifies a pseudowire, and the first label switched path identifier identifies a first label switched path that implements the pseudowire. A second message is sent from the second label switching router to the first label switching router. The second message comprises the pseudowire identifier and a second label switched path identifier. The second label switched path identifier identifies a second label switched path that implements the pseudowire.
摘要翻译：在一个实施例中，将伪线的标签交换路径相关联包括在第二标签交换路由器处接收第一消息。第一消息是从第一标签交换路由器发送的，并且包括伪线标识符和第一标签交换路径标识符。伪线标识符识别伪线，并且第一标签交换路径标识符标识实现伪线的第一标签交换路径。从第二标签交换路由器向第一标签交换路由器发送第二条消息。第二消息包括伪线标识符和第二标签交换路径标识符。第二标签交换路径标识符标识实现伪线的第二标签交换路径。

2. 发明申请

US20090086621A1 Correlating Label Switched Paths Of A Pseudowire 有权
标题翻译：相关的伪线的标签交换路径
公开(公告)号：US20090086621A1
公开(公告)日：2009-04-02
申请号：US11863374
申请日：2007-09-28
申请人： Calvin Wan , Ronald P. Folkes , Nimer I. Yaseen , Chenjiang Hu
发明人： Calvin Wan , Ronald P. Folkes , Nimer I. Yaseen , Chenjiang Hu
IPC分类号： G08C15/00
CPC分类号： H04L45/00 , H04L45/22 , H04L45/28 , H04L45/50 , H04L45/68
摘要： In one embodiment, correlating label switched paths of a pseudowire includes receiving a first message at a second label switching router. The first message is sent from a first label switching router and includes a pseudowire identifier and a first label switched path identifier. The pseudowire identifier identifies a pseudowire, and the first label switched path identifier identifies a first label switched path that implements the pseudowire. A second message is sent from the second label switching router to the first label switching router. The second message comprises the pseudowire identifier and a second label switched path identifier. The second label switched path identifier identifies a second label switched path that implements the pseudowire.
摘要翻译：在一个实施例中，将伪线的标签交换路径相关联包括在第二标签交换路由器处接收第一消息。第一消息是从第一标签交换路由器发送的，并且包括伪线标识符和第一标签交换路径标识符。伪线标识符识别伪线，并且第一标签交换路径标识符标识实现伪线的第一标签交换路径。从第二标签交换路由器向第一标签交换路由器发送第二条消息。第二消息包括伪线标识符和第二标签交换路径标识符。第二标签交换路径标识符标识实现伪线的第二标签交换路径。

3. 发明申请

US20090086632A1 Using A Link Attribute To Inform Nodes Of The Availability Of Traffic Management Resources 有权
标题翻译：使用链接属性通知节点的流量管理资源的可用性
公开(公告)号：US20090086632A1
公开(公告)日：2009-04-02
申请号：US11863461
申请日：2007-09-28
申请人： Ronald P. Folkes , Calvin Wan , Chenjiang Hu
发明人： Ronald P. Folkes , Calvin Wan , Chenjiang Hu
IPC分类号： H04L12/56
CPC分类号： H04L45/50 , H04L45/10
摘要： In one embodiment, informing nodes of traffic management resource availability includes establishing whether there is an available traffic management resource at a first node, where a traffic management resource tracks usage of bandwidth by a tunnel at the first node. Whether there is an available traffic management resource is recorded in a traffic management link attribute. The traffic management link attribute is sent to second nodes to inform the second nodes of whether there is an available traffic management resource at the first node.
摘要翻译：在一个实施例中，通知节点的流量管理资源可用性包括确定在第一节点处是否存在可用的流量管理资源，其中流量管理资源跟踪第一节点处的隧道的带宽利用率。流量管理链路属性中是否记录有可用的流量管理资源。将流量管理链路属性发送给第二节点，以通知第二节点在第一节点是否有可用的流量管理资源。

4. 发明申请

US20090086633A1 Using A Link-State Advertisement To Inform Nodes Of The Availability Of Traffic Management Resources 审中-公开
标题翻译：使用链路状态广告来通知节点的流量管理资源的可用性
公开(公告)号：US20090086633A1
公开(公告)日：2009-04-02
申请号：US11865771
申请日：2007-10-02
申请人： Chenjiang Hu , Calvin Wan , Ronald P. Folkes
发明人： Chenjiang Hu , Calvin Wan , Ronald P. Folkes
IPC分类号： H04L12/66
CPC分类号： H04L12/66
摘要： In one embodiment, informing nodes of traffic management resource availability includes determining a number of available traffic management resources at a first node, where a traffic management resource tracks usage of bandwidth by a tunnel at the first node. The number of available traffic management resources is recorded in a link-state advertisement. The link-state advertisement is sent to one or more second nodes.
摘要翻译：在一个实施例中，通知节点的流量管理资源可用性包括确定在第一节点处的可用流量管理资源的数量，其中流量管理资源跟踪第一节点处的隧道的带宽利用率。可用流量管理资源的数量记录在链路状态广告中。链路状态广告被发送到一个或多个第二节点。

5. 发明授权

US07768924B2 Using a link attribute to inform nodes of the availability of traffic management resources 有权
标题翻译：使用链接属性通知节点的流量管理资源的可用性
公开(公告)号：US07768924B2
公开(公告)日：2010-08-03
申请号：US11863461
申请日：2007-09-28
申请人： Ronald P. Folkes , Calvin Wan , Chenjiang Hu
发明人： Ronald P. Folkes , Calvin Wan , Chenjiang Hu
IPC分类号： H04L12/26
CPC分类号： H04L45/50 , H04L45/10
摘要： In one embodiment, informing nodes of traffic management resource availability includes establishing whether there is an available traffic management resource at a first node, where a traffic management resource tracks usage of bandwidth by a tunnel at the first node. Whether there is an available traffic management resource is recorded in a traffic management link attribute. The traffic management link attribute is sent to second nodes to inform the second nodes of whether there is an available traffic management resource at the first node.
摘要翻译：在一个实施例中，通知节点的流量管理资源可用性包括确定在第一节点处是否存在可用的流量管理资源，其中流量管理资源跟踪第一节点处的隧道的带宽利用率。流量管理链路属性中是否记录有可用的流量管理资源。将流量管理链路属性发送给第二节点，以通知第二节点在第一节点是否有可用的流量管理资源。

6. 发明申请

US20180062963A1 DATA-DRIVEN ESTIMATION OF NETWORK PORT DELAY 审中-公开
公开(公告)号：US20180062963A1
公开(公告)日：2018-03-01
申请号：US15247473
申请日：2016-08-25
申请人： Xi Liu , Max Simmons , Calvin Wan , Jacky Kuo , Vamseedhar Reddyvariraja
发明人： Xi Liu , Max Simmons , Calvin Wan , Jacky Kuo , Vamseedhar Reddyvariraja
IPC分类号： H04L12/26 , H04L12/24
CPC分类号： H04L43/0852 , H04L5/0048 , H04L7/0041 , H04L41/0631 , H04L41/145 , H04L43/067 , H04L43/08 , H04L49/30
摘要： A computational method and system for estimating port delays in a network may use a data-driven estimation with quadratic programming based on available network path data that is already collected. In this manner, port delays for each individual port in the network may be estimated without having to measure each individual port using sensors.

7. 发明授权

US08341231B2 Systems and methods for processing heartbeat messages 有权
标题翻译：用于处理心跳消息的系统和方法
公开(公告)号：US08341231B2
公开(公告)日：2012-12-25
申请号：US12683750
申请日：2010-01-07
申请人： Calvin Wan , Kumaravel Senthivel
发明人： Calvin Wan , Kumaravel Senthivel
IPC分类号： G06F15/16
CPC分类号： H04L43/10 , H04L43/0811
摘要： According to one embodiment, a method for processing heartbeat messages includes processing heartbeat messages received at a first network interface integral to a first network element from a second network element to determine a first status parameter associated with the second network element. The method may also include processing heartbeat messages received at a second network interface integral to the first network element from the second network element to determine a second status parameter associated with the second network element. The method may further include determining a status of the second network element based on the first status parameter and the second status parameter.
摘要翻译：根据一个实施例，一种用于处理心跳消息的方法包括处理从第二网络元件与第一网络单元集成的第一网络接口接收的心跳消息，以确定与第二网络元件相关联的第一状态参数。该方法还可以包括处理从第二网络元件与第一网络元件集成的第二网络接口处接收的心跳消息，以确定与第二网络元件相关联的第二状态参数。该方法还可以包括基于第一状态参数和第二状态参数来确定第二网络元件的状态。

8. 发明授权

US09294373B2 Synthetic loss measurements using session numbers 有权
标题翻译：使用会话号的合成损失测量
公开(公告)号：US09294373B2
公开(公告)日：2016-03-22
申请号：US13860365
申请日：2013-04-10
申请人： Calvin Wan , Kumaravel Senthivel
发明人： Calvin Wan , Kumaravel Senthivel
IPC分类号： H04L12/26
CPC分类号： H04L43/0835
摘要： A method and system for performing synthetic loss measurements (SLM) includes methods for single-ended and dual-ended synthetic loss measurements. The methods include maintaining a session number indicative of a physical network component at each maintenance point used to perform synthetic loss measurements. The session numbers are maintained according to a novel protocol and are used to detect a change in the network component, such as resulting from a protection switch event. The session numbers enable the synthetic loss measurements to continue irrespective of changes in the values for the session numbers and to remove errors when computing frame loss that may arise when physical network components change. The disclosed methods and systems may be used when a link aggregation group exists between a local maintenance point and a remote maintenance point.
摘要翻译：用于执行合成损失测量（SLM）的方法和系统包括用于单端和双端合成损耗测量的方法。这些方法包括维护指示用于执行合成损失测量的每个维护点处的物理网络组件的会话号码。会话号码根据新颖的协议进行维护，并用于检测网络组件的变化，例如由保护切换事件导致的。会话号码使合成损失测量能够继续，而不管会话号码的值如何变化，并且当计算物理网络组件改变时可能出现的帧丢失时，可以消除错误。当在本地维护点和远程维护点之间存在链路聚合组时，可以使用公开的方法和系统。

9. 发明授权

US09059899B2 Method and system for interrupt throttling and prevention of frequent toggling of protection groups in a communication network 有权
标题翻译：用于中断节流和防止通信网络中保护组频繁切换的方法和系统
公开(公告)号：US09059899B2
公开(公告)日：2015-06-16
申请号：US13227171
申请日：2011-09-07
申请人： Badrinath Natarajan , Calvin Wan
发明人： Badrinath Natarajan , Calvin Wan
IPC分类号： H04L12/26 , H04L12/24
CPC分类号： H04L41/0622 , H04L41/0663
摘要： A method may include determining a first number of events occurring during a first threshold detection duration. The method may further include causing processing of events to cease for a particular throttling duration in response to determining that the first number of events occurring during the threshold detection duration is greater than a predetermined threshold. The method may also include determining a second number of events occurring during a second threshold detection duration. Additionally, the method may include, in response to determining that the first number of events occurring during the first threshold detection duration is greater than the predetermined threshold and that the second number of events occurring during the second threshold detection duration is greater than the predetermined threshold: increasing the time of the particular throttling duration; and causing processing of events to cease for the increased particular throttling duration.
摘要翻译：方法可以包括确定在第一阈值检测持续时间期间发生的事件的第一数量。响应于确定在阈值检测持续时间期间发生的事件的第一数量大于预定阈值，该方法还可以包括使事件的处理停止特定节流持续时间。该方法还可以包括确定在第二阈值检测持续时间期间发生的第二数量的事件。另外，该方法可以响应于确定在第一阈值检测持续时间期间发生的第一数量的事件大于预定阈值，并且在第二阈值检测持续时间期间发生的第二数量的事件大于预定阈值：增加特定节流时间的时间; 并导致事件的处理停止增加特定的节流持续时间。

10. 发明授权

US08396955B2 Systems and methods for discovery of network topology using service OAM 有权
标题翻译：使用服务OAM发现网络拓扑的系统和方法
公开(公告)号：US08396955B2
公开(公告)日：2013-03-12
申请号：US12832484
申请日：2010-07-08
申请人： Kumaravel Senthivel , Calvin Wan , Chandrasekaran Ganesh
发明人： Kumaravel Senthivel , Calvin Wan , Chandrasekaran Ganesh
IPC分类号： G06F15/173 , G06F11/00
CPC分类号： H04L43/10 , H04L41/12
摘要： According to one embodiment, a method may include instantiating a first maintenance end point on a first port of a first network element. The first maintenance end point may determine whether a heartbeat message has been received from a second maintenance end point instantiated on a second port of a second network element. In response to determining that the heartbeat message has been received, the maintenance end point may analyze the heartbeat message to determine an identifier for the second network element and an identifier for the second port. Based on the determination of the identifier of the second network element and the identifier of the second port, the network element may store information to an adjacency list, the information indicating at least one of an adjacency of the first port to the second port and an adjacency of the first network element to the second network element.
摘要翻译：根据一个实施例，方法可以包括在第一网络元件的第一端口上实例化第一维护终点。第一维护终点可以确定是否已经从在第二网络元件的第二端口上实例化的第二维护结束点接收到心跳消息。响应于确定已经接收到心跳消息，维护终点可以分析心跳消息以确定第二网络元件的标识符和用于第二端口的标识符。基于第二网元的标识符的确定和第二端口的标识符，网元可以将信息存储到邻接列表，该信息指示第一端口与第二端口的邻接中的至少一个，以及第一网元与第二网元的邻接。

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