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Invention Grant
US08385225B1 Estimating round trip time of a network path 有权
估计网络路径的往返时间

  • Patent Title: Estimating round trip time of a network path
  • Patent Title (中): 估计网络路径的往返时间
  • Application No.: US12967914
    Application Date: 2010-12-14
  • Publication No.: US08385225B1
    Publication Date: 2013-02-26
  • Inventor: Allen B. Downey
  • Applicant: Allen B. Downey
  • Applicant Address: US CA Mountain View
  • Assignee: Google Inc.
  • Current Assignee: Google Inc.
  • Current Assignee Address: US CA Mountain View
  • Agency: Fenwick & West LLP
  • Main IPC: G01R31/08
  • IPC: G01R31/08
Estimating round trip time of a network path
Abstract:
A base round trip time (RTT) for a path in a network is determined. The RTT along a network path between a source node and a destination node is measured one or more times. A sample set of fitting parameters based on a distribution of historical queue delays is obtained. A Monte Carlo simulation is performed using the fitting parameters in the sample set to generate a distribution of queue delays for the measured network path. A base RTT for the network path is determined using the measured RTT and the distribution of queue delays.
Abstract(Chinese):

确定网络中路径的基本往返时间（RTT）。 沿着源节点和目的地节点之间的网络路径的RTT被测量一次或多次。 获得基于历史队列延迟分布的一组拟合参数。 使用样本集合中的拟合参数来执行蒙特卡罗模拟，以生成测量网络路径的队列延迟分布。 使用测量的RTT和队列延迟的分布来确定网络路径的基本RTT。

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