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    Hierarchical QoS behavioral model
    21.
    发明授权
    Hierarchical QoS behavioral model 有权
    分层QoS行为模型

    公开(公告)号：US07675926B2

    公开(公告)日：2010-03-09

    申请号：US10840126

    申请日：2004-05-05

    申请人： Robert Olsen ,  Michael Laor ,  Clarence Filsfils

    发明人： Robert Olsen ,  Michael Laor ,  Clarence Filsfils

    IPC分类号： H04L12/56

    CPC分类号： H04L47/6215 ,  H04L41/044 ,  H04L47/2441 ,  H04L47/30 ,  H04L47/326 ,  H04L47/50 ,  H04L47/52 ,  H04L47/60

    摘要： A hierarchical traffic management system and method (i.e., a QoS behavioral model) are disclosed herein. The system includes a classifier operable to identify and classify incoming traffic streams and a queuing system. The queuing system includes a plurality of queues and is operable to apply scheduling policies to the traffic streams. The queues of the queuing system each include enqueue attributes configured to control a depth of the queue and dequeue attributes configured to control scheduling of the queue. The dequeue attributes include minimum bandwidth, maximum bandwidth, excess bandwidth, and priority, wherein each of the queues has one or more of the dequeue attributes defined.

    摘要翻译： 本文公开了分级业务管理系统和方法（即，QoS行为模型）。 该系统包括可用于识别和分类输入业务流的分类器和排队系统。 排队系统包括多个队列，并且可操作以将调度策略应用于业务流。 排队系统的队列每个都包括配置为控制队列深度的入队属性，并将配置为控制队列调度的属性出队。 出队属性包括最小带宽，最大带宽，超额带宽和优先级，其中每个队列具有定义的一个或多个出队属性。

    Identifying and suppressing transient routing updates
    24.
    发明授权
    Identifying and suppressing transient routing updates 有权
    识别和抑制瞬态路由更新

    公开(公告)号：US07496650B1

    公开(公告)日：2009-02-24

    申请号：US10811626

    申请日：2004-03-29

    申请人： Stefano Benedetto Previdi ,  John Galen Scudder ,  Clarence Filsfils ,  David Delano Ward

    发明人： Stefano Benedetto Previdi ,  John Galen Scudder ,  Clarence Filsfils ,  David Delano Ward

    IPC分类号： G06F15/173 ,  G01R31/08 ,  H04L12/28

    CPC分类号： H04L45/028 ,  H04L45/22 ,  H04L45/28 ,  H04L45/48 ,  H04L69/14 ,  H04L69/40

    摘要： One or more sets of routing information are maintained. A network topology change indication of a progressive series of network changes is received, with at least one more associated network topology change indication of the progressive series of network changes expected to be received in the future. An updated set of routing information is computed based on the network topology change indication, and a determination is made as to whether or not the updated set of routing information changes nexthop information for one or more routes. In response to determining that the new set of routing information does not change nexthop information for said one or more routes and given the expectation of at least one more associated network topology change indication of the progressive series of network changes is expected to be received in the future, the routing information is not updated based on the updated set of routing information.

    摘要翻译： 维护一组或多组路由信息。 接收到逐渐的一系列网络改变的网络拓扑变化指示，其中至少一个更多关联的网络拓扑改变预期在将来接收的渐进的一系列网络变化的指示。 基于网络拓扑变化指示计算更新的路由信息​​集合，并且确定更新的路由信息​​集合是否改变一个或多个路由的下一跳信息。 响应于确定新的路由信息​​集合不会改变用于所述一个或多个路由的下一跳信息，并且给出期望至少一个更相关联的网络拓扑结构的变化指示逐渐的一系列网络改变将在 未来，路由信息不会根据更新的路由信息​​集进行更新。

    Fast remote failure notification
    25.
    发明申请
    Fast remote failure notification 有权
    快速远程故障通知

    公开(公告)号：US20090010153A1

    公开(公告)日：2009-01-08

    申请号：US11824885

    申请日：2007-07-03

    申请人： Clarence Filsfils ,  Stefano Previdi ,  David Ward

    发明人： Clarence Filsfils ,  Stefano Previdi ,  David Ward

    IPC分类号： H04L12/24

    CPC分类号： H04L45/22 ,  H04L45/02 ,  H04L45/28 ,  H04L67/14 ,  H04L69/40

    摘要： A method and system for failure notification at a remote node in communication with a local node are disclosed. The local node is configured for faster failure detection than the remote node. In one embodiment, the method includes establishing a failure monitoring session between the local node and the remote node, receiving at the remote node, a failure notification from the local node, the failure notification sent using a protocol of the failure monitoring session, and rerouting traffic at the remote node in response to the failure notification.

    摘要翻译： 公开了一种在与本地节点通信的远程节点处的故障通知的方法和系统。 本地节点配置为比远程节点更快的故障检测。 在一个实施例中，该方法包括在本地节点和远程节点之间建立故障监视会话，在远程节点接收来自本地节点的故障通知，使用故障监视会话的协议发送的故障通知和重新路由 响应故障通知在远程节点的流量。