1. A system comprising: a first node operative to provide a source broadcast requesting data, the first node associating an F-state with a copy of the data in response to receiving the copy of the data from memory and receiving non-data responses from other nodes in the system, the non-data responses including an indication that at least a second node includes a shared copy of the data, the F-state enabling the first node to serve as an ordering point in the system capable of responding to requests from the other nodes in the system with a shared copy of the data.