Summary
This chapter shares that Content Delivery Networks are networks in and of themselves. The ingredients of a CDN (the five components that were listed earlier) can be put together in a multitude of ways to form some great recipes, like the three discussed: Transparent Caching, E-CDN, and Content Filtering. As time goes on, new recipes will be created that use different varieties of these ingredients; there might even be another ingredient that comes about. For the near future though, these are the ingredients used to build great content delivery solutions.