The distribution of replica caches of information is dynamically optimized among the regions of a network, based upon the changing usage patterns. Initially, a single server in a first region stores the primary copy of information. A router in the first region receives service request messages from the...http://www.google.de/patents/US6189043?utm_source=gb-gplus-sharePatent US6189043 - Dynamic cache replication in a internet environment through routers and servers utilizing a reverse tree generation
