A system may include two or more agents, at least some of which may cache data. In response to a read transaction, a caching agent may snoop its cached data and provide a response in a response phase of the transaction. Particularly, the response may include an exclusive indication used to represent...http://www.google.com/patents/US6745297?utm_source=gb-gplus-sharePatent US6745297 - Cache coherent protocol in which exclusive and modified data is transferred to requesting agent from snooping agent
