A Relay Multipath Traffic Distribution Method with Minimized Transmission Delay

A technology of transmission delay and traffic distribution, applied in the field of network communication, which can solve problems such as transmission performance degradation and transmission impact.

Active Publication Date: 2020-07-21
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, when traffic is allocated to non-independent paths, the allocated traffic will affect the transmission of other sub-flows on the shared link, and traffic allocation in the original way will cause transmission performance degradation

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  • A Relay Multipath Traffic Distribution Method with Minimized Transmission Delay
  • A Relay Multipath Traffic Distribution Method with Minimized Transmission Delay
  • A Relay Multipath Traffic Distribution Method with Minimized Transmission Delay

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Embodiment Construction

[0045] The present invention will be described in further detail below in conjunction with accompanying drawing and example, and method flow process is as follows: figure 1 shown.

[0046] The present invention takes a converging node as an example to illustrate the relay multi-path traffic distribution method. The multi-path transmission network topology is as follows figure 2 shown. There is a sink node c between the source node s and the destination node d. The transmission delay of each link is set to 10ms, and the bottleneck link e′ 11 ,e′ 21 ,e′ 31 The available bandwidth of the link is set to 6Mbps, 4Mbps and 5Mbps respectively, and the packet loss rate is set to 0.1%. The available bandwidth of other links is set to 10Mbps, and the packet loss rate is set to 0.

[0047] 1. Information collection. Monitor network traffic, collect and estimate link information; generate a set of paths from the source node through the sink node to the destination node based on the ...

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Abstract

The invention discloses a relay multi-path flow distribution method for minimizing transmission time delay. Traditional traffic distribution methods directly distribute end-to-end traffic to network sub-flows, which will cause transmission delay performance degradation. In the case of non-independent paths, the method of the invention splits the paths according to the convergence node, and performs relay multi-path flow distribution. This method first collects information and splits paths, then performs network path modeling and quality assessment, transmits traffic distribution and calculates the queuing delay of the path, solves the traffic distribution with the smallest delay, couples the traffic distribution results, and makes the data packets reach the destination node The average transmission delay is minimized. From the perspective of improving live broadcast delay performance, the method of the present invention considers the existence of convergence nodes in multi-path transmission, monitors link information in real time, and performs relay multi-path traffic distribution to obtain the minimum transmission delay, avoiding the traditional traffic distribution method. Transmission performance degradation caused by sub-flows competing for shared link resources.

Description

technical field [0001] The invention belongs to the technical field of network communication, and in particular relates to a relay multi-path flow distribution method for minimizing transmission time delay. Background technique [0002] With the development of network technology and the continuous emergence of various new media and self-media, the video streaming industry has made great progress, and the industry has higher and higher requirements for live broadcast delay and interactivity. Interactive live broadcast technology is already a standard configuration in the live broadcast industry. Under normal circumstances, the delay is less than 800 milliseconds to be able to do some relatively high-frequency interaction in the live broadcast, such as talk shows and live connections. If it is increased to 400 milliseconds, there will be enough margin to resist network fluctuations and realize interactive live broadcast. Therefore, how to better improve network delay perform...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/707H04L12/721H04L12/751H04L12/801H04L45/02H04L45/24
CPCH04L43/08H04L43/0829H04L43/0852H04L43/0876H04L45/02H04L45/123H04L45/24H04L47/10
Inventor 谢磊陈惠芳傅林捷
Owner ZHEJIANG UNIV
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