CDN strategy adjustment method based on ahp decision model
A decision-making model and adjustment method technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as poor system scalability, difficulty adapting to the application environment, waste of resources, etc., to achieve optimized performance, simple implementation, and Optimizing the effect of quality of service
Active Publication Date: 2016-09-28
GUANGDONG UNIV OF TECH
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In this way, on the one hand, due to the principle of maximum resource deployment, a large amount of resources will be wasted; on the other hand, the system will have poor scalability and it is difficult to adapt to the real-time changing application environment.
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[0054] The present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0055] Such as figure 1 As shown, the CDN policy adjustment system based on the AHP prediction model is mainly divided into two parts: the improved CDN management platform and the CDN framework prototype system. The implementation of the CDN framework prototype system is not limited to this, and has no impact on the system's decision-making. It is mainly composed of three parts: the central layer, the backbone layer and the edge layer. The central resource pool distributes content to each edge node through PULL or PUSH; the edge node is the carrier of CDN content distribution, and the Internet content is directly transmitted to the user terminal through the edge node closest to the user; and the improved CDN management The platform adds a total console on the basis of the original CDN management pl...
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The invention discloses a CDN strategy adjustment method based on an AHP decision model. The method aims at the conditions that an existing CDN static strategy of a content transmission network only adapts to the situation that an access mode, concurrence amount and other environmental factors are known in advance, and is hard to adapt to variation of a system environment and frequent variation of the bandwidth of the network. The CDN strategy adjustment method based on the AHP decision model concretely includes the steps that a master control platform monitors and collects kinds of information of a content CDN and delivers the information to an AHP decision-making tree for analysis at regular intervals, so that a recommended adjustment scheme is given, and the master control platform dynamically adjusts the service strategy of the CDN according to the recommended adjustment scheme and stores the recommended scheme to a strategy data base. The efficient and expandable AHP decision-making model is provided, moreover, achieving cost is low, an existing system is improved a little, and the service strategy most suitable for the current system is selected to optimize service quality of the CDN.
Description
technical field [0001] The present invention relates to the field of content distribution network (CDN), and more specifically, relates to a CDN policy adjustment method based on an APH decision model. Background technique [0002] CDN (Content Delivery Network) is a content distribution network, which is an advanced traffic distribution network built on the existing Internet. It adds a new layer of service nodes to the existing IP bearer network, and sends content (video, audio, web pages, etc.) to the "edge" of the network closest to the user, so that the user can obtain the required content nearby. , so as to optimize the network traffic conditions and improve the response speed of users visiting the website. CDN can solve the problems of slow content transmission and stability caused by the small bandwidth of the backbone network, the large number of user visits, and the uneven distribution of network points. [0003] In the CDN network, for different application scena...
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IPC IPC(8): G06F17/30
Inventor 谢胜利李爽何昭水蒋业文吴宗泽梁啟成钟林李罗涛李建才
Owner GUANGDONG UNIV OF TECH