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Dynamic resource allocation method based on traffic sensing

A technology of dynamic resource allocation and traffic awareness, applied in the Internet field, it can solve the problems of inability to cope with sudden access events, waste of resources, and low network utilization, and achieve the effect of improving network utilization.

Inactive Publication Date: 2017-11-24
MAOMING POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this configuration strategy can neither cope with unpredictable unexpected access events, nor will it lead to low network utilization and waste a lot of resources

Method used

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  • Dynamic resource allocation method based on traffic sensing
  • Dynamic resource allocation method based on traffic sensing
  • Dynamic resource allocation method based on traffic sensing

Examples

Experimental program
Comparison scheme
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Embodiment

[0037] Embodiment: The embodiment of the present invention defines normalized server capacity as C=B / l m . In other words, C represents the maximum number of parallel video streaming sessions up to the highest video level lm that a server can support. Since the QAC video stream is a TCP greedy video stream, it inherits the bandwidth sharing function from the TCP protocol, so the average video level matches the available bandwidth. Therefore, when the number of active video streaming sessions on the server is greater than C, the available bandwidth per connection will be less than l m . That is, the QAC controller will set the video level l (t) ∈f reduces to l m below to match the reduced available bandwidth.

[0038] The purpose of the controller is to regulate the active server M (t) The total number of video streams (limited streams) that do not reach the maximum video level will be n L (t) to a minimum. the number of finite streams n L (t) is the sum of two parts: ...

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PUM

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Abstract

The invention discloses a dynamic resource allocation method based on traffic sensing. The dynamic resource allocation method is particularly implemented according to the following steps o: S1, calculating an uplink limited video streaming estimated value of a server; S2, calculating the total number of uplink limited video streaming; and S3, regulating the number of active servers by adopting a dynamic resource allocation controller. According to the dynamic resource allocation method disclosed by the invention, by regulating the number of virtual machines of a cloud CDN network, transmission cost minimization is implemented when a high-quality video is guaranteed to be provided for a user, an unpredictable flash crowd event can be dealt with, and a network utilization rate is promoted.

Description

technical field [0001] The invention belongs to the technical field of the Internet, and in particular relates to a dynamic resource allocation method based on traffic perception. Background technique [0002] A prominent feature of the Internet today is the surge in network traffic, largely due to the worldwide proliferation of broadband connections and increased multimedia traffic, such as video streaming, for example. Content delivery networks are used to provide scalable and reliable video streaming services. Typically, content delivery networks are configured to meet peak demand during peak hours. However, this configuration strategy can neither cope with unpredictable unexpected access events, but also lead to low network utilization and waste a lot of resources. Contents of the invention [0003] The purpose of the present invention is to provide a dynamic resource allocation method based on traffic perception, by adjusting the number of virtual machines in the cl...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04N21/218H04N21/24G06F9/455
CPCG06F9/45558G06F2009/4557H04L67/1004H04L67/1008H04L67/1014H04N21/2181H04N21/2405H04N21/2407
Inventor 周勇周洁文周春
Owner MAOMING POLYTECHNIC
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