Surrogate hashing is described, including initializing one or more variables in a collection, evaluating an address associated with a host, comparing the address to the collection to determine if the address is stored in the collection, and processing the address to hash a file identified by the address...http://www.google.es/patents/US8171004?utm_source=gb-gplus-sharePatente US8171004 - Use of hash values for identification and location of content
Use of hash values for identification and location of content
