Abstract
Content Delivery Network (CDN) technology is one of the core technologies for performance optimization of mobile WEB applications, but it often encounters bottlenecks in video storage. In this paper, based on studying the basic technical model of distributed real-time transcoding CDN, we propose an overall technical architecture of a distributed real-time transcoding CDN system, present the business process of distributed real-time transcoding CDN resource negotiation in the model, design a resource storage policy model and algorithm, including the hot storage ratio resource storage value evaluation method and storage resource allocation algorithm. Through simulation experiments, we verify the technical efficiency of the distributed real-time transcoding CDN system by simulation experiments.
Highlights
We designed a distributed real-time transcoding Content Delivery Network (CDN) system with the goal of reducing the total user latency, presented the business process of distributed real-time transcoding CDN resource negotiation, and proposed a resource storage strategy, including a hot storage ratio resource storage value assessment method and a storage resource allocation algorithm, for the current mobile video resources that often exist in several different format versions, models, and algorithms
The practical value of this distributed real-time transcoding CDN system is verified by simulation experiments, which has obvious advantages over traditional CDNs
This paper mainly studies and analyzes video transcoding, but the distributed real-time transcoding CDN technology is applicable to application scenarios, such as audio, images, compressed files, different encrypted format files, and different storage format documents
Summary
The goal of this research is to enable significant improvements in the processing power of multi-format same-content resources
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