A live caching system is described herein that reduces the burden on origin servers for serving live content. In response to receiving a first request that results in a cache miss, the system forwards the first request to the next tier while “holding” other requests for the same content. If the system...http://www.google.es/patents/US8046432?utm_source=gb-gplus-sharePatente US8046432 - Network caching for multiple contemporaneous requests
Network caching for multiple contemporaneous requests
