Chapter 15. Content Delivery Networks
Having considered basic mechanisms for request redirection, we are now ready to discuss architectures for scalable content delivery from content providers to consumers. These platforms are also known as content delivery networks (CDNs). Although forward proxies, especially the cooperative proxy platforms considered in Chapter 9, have the same goal, the term CDN is historically applied only to platforms that act as agents of content providers.
A CDN signs up individual content providers for scalable content delivery and delivers their content to any client that accesses the Web sites of these content providers. Contrast this with the forward proxy platforms of Chapter 9, which attempt to improve content delivery ...
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