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So what are the two key reasons that transparent caching holds merit? First, it's been around for quite some time second, streaming is moving towards a model that enhances the benefits of transparent caching. To both the end user, whose video starts faster, and the network operator, who doesn't have popular video constantly traversing the network, the idea of transparent caching holds promise. Doing so allows the edge cache to refresh itself, based on changes in viewing preferences on a much more granular level than could be accomplished by even a large group of human operators. The idea is to set business rules that automate the process of moving content from the network core to the network edge, without requiring human intervention for any specific video file.

That's where the transparent part comes in. Still, there's a need to balance between caching just a small amount of content at the edge and caching it all. It works for premium content, such as television shows or movies, but the idea of edge caching all video content on the web-on the off chance that all of the content will be viewed in equal percentages-is neither practical or financially viable. It's certainly feasible to cache all video content at the edge, very close to each user, and that is the business model for at least one large content delivery network (CDN). The re-use part is key to understanding transparent caching. In the computing world, caching is similar, but with a twist: A copy of a file is stored locally, or at least closer to the end-user device, so that it is available for re-use. The term caching refers to storing objects in a group, ideally close to the need for that object, in much the same way that an Amazon warehouse would store hundreds of Kindle Fire tablets in each of several warehouses around the country-anticipating sales of the tablet would occur within a few hours' delivery of each warehouse. The idea has merit, for two key reasons, and we expect it to grow in use over the next few years. One proposed solution that's finding traction is the concept of transparent caching.

Based on projected numbers, some of which place video content at over ninety per cent of all internet traffic by 2013, service providers have begun to look in earnest at a number of solutions that allow video content viewing without tying up precious backhaul data pipes. With the explosive growth of video content on the web-including user-generated content that goes viral, resulting in a massive number of views in fairly short timeframes-the old way of doing the business of video has shown signs of faltering.

#Clear cache movie edit pro premium series#

This is another installment in our series of 'What Is.?' articles, designed to offer definitions, history, and context around significant terms and issues in the online video industry.