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1. 发明授权

US07636304B2 System and method for performing distributed policing 有权
标题翻译：执行分布式监管的系统和方法
公开(公告)号：US07636304B2
公开(公告)日：2009-12-22
申请号：US11093882
申请日：2005-03-30
申请人： Ketan A. Padwekar
发明人： Ketan A. Padwekar
IPC分类号： G01R31/08 , H04L12/28 , H04J3/16
CPC分类号： H04L47/10 , H04L47/20
摘要： Various systems and methods that synchronize local copies of a variable used in a distributed algorithm, such as that used in distributed policing. For example, one system includes several distributed algorithm participants that are coupled to communicate with each other. Each of the each of the distributed algorithm participants maintains a shared variable in order to implement the distributed algorithm. One of the distributed algorithm participants is a synchronizer. The synchronizer is configured to calculate a new value of the shared variable and to communicate the new value to each of the other distributed algorithm participants. The distributed algorithm can be a distributed policing algorithm, and the shared variable can be a global bucket.
摘要翻译：使分布式算法中使用的变量的本地副本同步的各种系统和方法，例如在分布式监管中使用的变量。例如，一个系统包括耦合以彼此通信的多个分布式算法参与者。每个分布式算法参与者维护一个共享变量，以实现分布式算法。分布式算法参与者之一是同步器。同步器被配置为计算共享变量的新值并将新值传递给每个其他分布式算法参与者。分布式算法可以是分布式监管算法，共享变量可以是全局存储区。

2. 发明授权

US08254256B2 System and method for performing distributed policing 有权
标题翻译：执行分布式监管的系统和方法
公开(公告)号：US08254256B2
公开(公告)日：2012-08-28
申请号：US12643685
申请日：2009-12-21
申请人： Ketan A. Padwekar
发明人： Ketan A. Padwekar
IPC分类号： H04L12/26 , H04L12/56
CPC分类号： H04L47/10 , H04L47/20
摘要： Various systems and methods that synchronize local copies of a variable used in a distributed algorithm, such as that used in distributed policing, are disclosed. For example, one system includes several distributed algorithm participants that are coupled to communicate with each other. Each of the each of the distributed algorithm participants maintains a shared variable in order to implement the distributed algorithm. One of the distributed algorithm participants is a synchronizer. The synchronizer is configured to calculate a new value of the shared variable and to communicate the new value to each of the other distributed algorithm participants. The distributed algorithm can be a distributed policing algorithm, and the shared variable can be a global bucket.
摘要翻译：公开了分布式算法中使用的变量的本地副本的各种系统和方法，例如在分布式监管中使用的变量的本地副本。例如，一个系统包括耦合以彼此通信的多个分布式算法参与者。每个分布式算法参与者维护一个共享变量，以实现分布式算法。分布式算法参与者之一是同步器。同步器被配置为计算共享变量的新值并将新值传递给每个其他分布式算法参与者。分布式算法可以是分布式监管算法，共享变量可以是全局存储区。

3. 发明申请

US20100271940A1 System and Method for Performing Distributed Policing 有权
标题翻译：执行分布式监管的系统和方法
公开(公告)号：US20100271940A1
公开(公告)日：2010-10-28
申请号：US12643685
申请日：2009-12-21
申请人： Ketan A. Padwekar
发明人： Ketan A. Padwekar
IPC分类号： H04L12/26
CPC分类号： H04L47/10 , H04L47/20
摘要： Various systems and methods that synchronize local copies of a variable used in a distributed algorithm, such as that used in distributed policing, are disclosed. For example, one system includes several distributed algorithm participants that are coupled to communicate with each other. Each of the each of the distributed algorithm participants maintains a shared variable in order to implement the distributed algorithm. One of the distributed algorithm participants is a synchronizer. The synchronizer is configured to calculate a new value of the shared variable and to communicate the new value to each of the other distributed algorithm participants. The distributed algorithm can be a distributed policing algorithm, and the shared variable can be a global bucket.
摘要翻译：公开了分布式算法中使用的变量的本地副本的各种系统和方法，例如在分布式监管中使用的变量的本地副本。例如，一个系统包括耦合以彼此通信的多个分布式算法参与者。每个分布式算法参与者维护一个共享变量，以实现分布式算法。分布式算法参与者之一是同步器。同步器被配置为计算共享变量的新值并将新值传递给每个其他分布式算法参与者。分布式算法可以是分布式监管算法，共享变量可以是全局存储区。

4. 发明授权

US07623456B1 Apparatus and method for implementing comprehensive QoS independent of the fabric system 有权
标题翻译：用于实现与Fabric系统无关的综合QoS的设备和方法
公开(公告)号：US07623456B1
公开(公告)日：2009-11-24
申请号：US10639062
申请日：2003-08-12
申请人： Yung-Chin Chen , Abhijit V. Warkhedi , Ketan A. Padwekar
发明人： Yung-Chin Chen , Abhijit V. Warkhedi , Ketan A. Padwekar
IPC分类号： H04J3/14 , H04L12/28 , H04L12/56
CPC分类号： H04L49/90 , H04L47/50 , H04L47/58 , H04L47/60 , H04L49/205 , H04L49/254 , H04L49/3045 , H04L49/9063
摘要： An apparatus and method for implementing comprehensive QOS independent of the fabric system is disclosed. According to one embodiment, a system is provided comprising a switching medium, a plurality of line cards, a first scheduler associated with an ingress line card, and a second scheduler associated with an egress line card and communicatively coupled with the first scheduler. According to another embodiment, a line card is provided comprising a plurality of input buffers, a plurality of output buffers, output buffer status logic coupled to the output buffers operable to produce output buffer status information corresponding to each output buffer, a first scheduler coupled to the input buffers and operable to select data from the input buffers based upon the output buffer status, and a second scheduler coupled to the output buffers and operable to select data from the output buffers in accordance with Quality of Service requirements.
摘要翻译：公开了一种独立于织物系统实现综合QOS的设备和方法。根据一个实施例，提供一种系统，其包括交换介质，多个线路卡，与入口线卡相关联的第一调度器，以及与出口线路卡相关联并与第一调度器通信耦合的第二调度器。根据另一实施例，提供一种线卡，包括多个输入缓冲器，多个输出缓冲器，耦合到输出缓冲器的输出缓冲器状态逻辑，可操作以产生对应于每个输出缓冲器的输出缓冲器状态信息，第一调度器耦合到所述输入缓冲器可操作以基于所述输出缓冲器状态从所述输入缓冲器中选择数据;以及第二调度器，其耦合到所述输出缓冲器并且可操作以根据服务质量要求从所述输出缓冲器中选择数据。

5. 发明授权

US07369489B1 Unbiased token bucket 有权
标题翻译：无偏的令牌桶
公开(公告)号：US07369489B1
公开(公告)日：2008-05-06
申请号：US10095800
申请日：2002-03-12
申请人： Dipankar Bhattacharya , Ketan A. Padwekar
发明人： Dipankar Bhattacharya , Ketan A. Padwekar
IPC分类号： H04L12/26 , H04J1/16 , G06F11/00 , G01R31/08
CPC分类号： H04L47/10 , H04L47/20 , H04L47/215 , H04L47/2458 , H04L47/31 , H04L47/32
摘要： The present invention defines a method of unbiased policing of data flow in a network device. According to an embodiment of the present invention, the token bucket policer of the network device ‘permits’ (forwards) incoming packets even when the size of the token bucket is less than the size of the incoming packets. Permitting incoming packets that are larger than the token bucket ensures that incoming packets are not dropped because of the size of the incoming packets. Incoming packets are policed by TBP when the magnitude comparison of the token bucket and a predetermined constant value does not comply with the policing scheme defined for the incoming packets. When a packet is ‘permitted’ (forwarded), the size of the token bucket is reduced by an amount equal to the size of the packet.
摘要翻译：本发明定义了网络设备中数据流的无偏向性监管的方法。根据本发明的实施例，即使当令牌桶的大小小于输入分组的大小时，网络设备的令牌桶监管器也允许（转发）传入的分组。允许大于令牌桶的传入数据包确保传入数据包不会因为传入数据包的大小而被丢弃。当令牌桶的大小比较和预定的常数值不符合为传入分组定义的监管方案时，TBP对进入的分组进行管理。当数据包被“允许”（转发）时，令牌桶的大小减小等于数据包大小的数量。

6. 发明授权

US06826150B1 Distriburted QoS policing system and method 有权
标题翻译：分散的QoS监管系统和方法
公开(公告)号：US06826150B1
公开(公告)日：2004-11-30
申请号：US09969184
申请日：2001-10-02
申请人： Dipankar Bhattacharya , Yiren Huang , Raymond Kloth , Ketan A. Padwekar
发明人： Dipankar Bhattacharya , Yiren Huang , Raymond Kloth , Ketan A. Padwekar
IPC分类号： H04L1228
CPC分类号： H04L47/10 , H04L47/20 , H04L47/21 , H04L47/215
摘要： A method for policing traffic on a computer communications network having a multitude of nodes interconnected by various communications media. An individual policer is established at each node for monitoring and/or policing the traffic incoming to that node. Traffic policy parameters are established for traffic-classes and the policy is implemented at each individual policer. Thresholds may be established and when the thresholds are met or exceeded the individual policer will export the traffic conditions at the respective node. The other individual policers or a master policer will receive the exported information. -The individual policers police the traffic incoming to its associated node depending on the traffic condition information received from all the nodes. Several classes may be handled by each individual policer. Leaky bucket algorithms may be used in some instances.
摘要翻译：一种用于在具有由各种通信介质互连的多个节点的计算机通信网络上进行管理通信的方法。在每个节点建立一个单独的监管器，用于监视和/或管理进入该节点的流量。为流量类建立流量策略参数，并在每个单独的策略器上实施策略。可以建立阈值，并且当满足或超过阈值时，个体策略器将导出相应节点处的流量条件。其他个人监管者或主监督将收到导出的信息。 - 各个监督者根据从所有节点接收到的流量状况信息，警告进入其关联节点的流量。几个课程可能由每个单独的策略者处理。在某些情况下可能会使用泄漏桶算法。

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