Content on the World Wide Web is made available for downloading by distributing it to cache providers. The content provider is a distinct entity from the cache providers and enters into contractual arrangements in order to benefit from the services provided by the cache providers. The contractual arrangements...http://www.google.de/patents/US7343397?utm_source=gb-gplus-sharePatent US7343397 - Method and apparatus for performing predictive caching of DNS requests by correlating IP addresses
