Increasingly, “Internet” based content is no longer being delivered by the Internet. The notion that Web sites are on one side of the Internet and consumers are on the other is antiquated. Today, Web sites are engineered into the network. A small few can afford to do this themselves (e.g., Google (News - Alert)), but most outsource this task to content delivery networks or CDNs. This article looks at the role played by CDNs and how they could evolve to offer truly engineered services.
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