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Method and system for measuring bottleneck bandwidth and remanent bandwidth

A bottleneck bandwidth and measurement method technology, applied in the field of active bandwidth measurement, can solve problems such as difficult access network measurement and packet loss

Inactive Publication Date: 2006-05-10
史文勇
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  • Abstract
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Problems solved by technology

The packets after 747 are the third stage. At this time, there are not enough tokens in the token bucket to send a packet, and the packet queue is full, so it passes through at an average rate, but keeps losing packets
This makes it difficult to apply the existing end-to-end bottleneck bandwidth measurement technology to the measurement of the access network, which has become a major problem in the measurement of the access network

Method used

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  • Method and system for measuring bottleneck bandwidth and remanent bandwidth
  • Method and system for measuring bottleneck bandwidth and remanent bandwidth
  • Method and system for measuring bottleneck bandwidth and remanent bandwidth

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Embodiment Construction

[0088] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0089] Referring to FIG. 7, the present invention is a measurement system for bottleneck bandwidth and remaining bandwidth under the token bucket rate-limited network path, the system consists of a transmitter that sends probe packets at the sender and a receiver that receives probe packets at the receiver. and an analysis device for processing the relevant measurement data, and the connection between the sender and the receiver adopts the data connection of the UDP protocol. Among them, the transmitting device, the receiving device, and the analyzing device are shown as solid-line boxes, indicating that these three devices are basic devices and are indispensable. The two control devices are dashed boxes, indicating that in a simple implementation, the two devi...

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Abstract

This invention relates to measure method and system for bottle wide and remain wide band in the label barrel speed limit network path, wherein, the method comprises the following steps: establishing send end and receive end for data interacting; firstly detecting and judging whether the linkage is label speed limit network path; if yes, then computing linkage each label parameters, bottle and remain wide band; if not adopting traditional method to measure and compute the bottle wide band and remain wide band. The invention is free of label speed limited.

Description

technical field [0001] The invention relates to an active bandwidth measurement method and system in the field of network measurement, and more specifically, to a method and system for measuring bottleneck bandwidth and remaining bandwidth under a token bucket rate-limiting network path, belonging to the bandwidth measurement technology of the Internet field. Background technique [0002] Each path in the network is usually connected by several physical links with different bandwidths. Therefore, the bottleneck bandwidth of a network path refers to the physical bandwidth of the link with the narrowest bandwidth on the path. Maximum transmission capacity when there is no other background traffic. Now, the end-to-end bottleneck bandwidth measurement method is mainly based on the packet pair (Packet Pair) technology and the packet train (Packet Train) technology. A brief introduction to it is given below. [0003] A packet pair refers to two measurement packets of equal leng...

Claims

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Application Information

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IPC IPC(8): H04L12/26
Inventor 杨松鹰林宇金跃辉
Owner 史文勇
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