Single end available bandwidth measurement method and terminal adopting same

A measurement method and bandwidth technology, which are applied to the single-ended available bandwidth measurement method of a computer network and the terminal field using the method to achieve the effects of improving measurement efficiency, shortening measurement time, and shortening time.

Active Publication Date: 2015-04-01
ZHENGZHOU SEANET TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, the existing available bandwidth measurement methods, such as Pathload, PTR/IGI, Abget, et

Method used

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  • Single end available bandwidth measurement method and terminal adopting same
  • Single end available bandwidth measurement method and terminal adopting same
  • Single end available bandwidth measurement method and terminal adopting same

Examples

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Embodiment Construction

[0029] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0030] figure 1 A schematic diagram of one of the scenarios for the single-end available bandwidth measurement of a computer network. Such as figure 1 Shown: In order to complete the end-to-end file transfer (such as transferring files from client 1 to client 2), it needs to go through several transit servers deployed by the operator (server 1, server 2, server 3, ..., Server N). In order to obtain the maximum file upload speed, the server 1 may select, for example, three transfer servers with the largest available bandwidth as the end point of the file upload. To achieve this purpose, client 1 needs to measure the available bandwidth from client 1→server k (k=1, 2, 3, . . . , N) between itself and the N transit servers.

[0031] Taking the measurement of the available bandwidth between the sending end (the client)...

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Abstract

The invention relates to a single end network available bandwidth measurement method and a terminal adopting the same. The method comprises the steps as follows: a sending end sends detection stream to a receiving end periodically according to two ends of a given to-be-measured available bandwidth, and the receiving end is forced to return information stream to the sending end continuously; the sending end judges the relation between the sending rate and the real available bandwidth according to change of one-way time delay of the received information stream; and the sending rate is adjusted step by step according to a judgment result until an error between the sending rate and the real available bandwidth is in an acceptable range, and the final measurement value of the available bandwidth is obtained. With implementation of the invention, single end network available bandwidth measurement can be performed between any two nodes on a network.

Description

technical field [0001] The invention relates to the field of computer network parameter measurement, in particular to a computer network single-end available bandwidth measurement method and a terminal using the method. Background technique [0002] Bandwidth is an important measurement parameter for evaluating network service quality and one of the most important resources in the network. The measurement of network bandwidth is of great significance to network operators (routing selection, congestion control, fault location, etc.), network protocol and application developers (optimizing protocols, enhancing performance, etc.) and users (quality of experience). [0003] Metrics for available bandwidth measurement methods mainly include: [0004] measurement accuracy; [0005] The network burden generated by the detection process; [0006] Measure the time required. [0007] However, the existing available bandwidth measurement methods, such as Pathload, PTR / IGI, Abget, e...

Claims

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Application Information

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IPC IPC(8): H04L12/26
Inventor 尤佳莉薛寒星齐卫宁卓煜乔楠楠
Owner ZHENGZHOU SEANET TECH CO LTD
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