Each node's memory controller may be configured to send and receive messages on a dedicated memory-to-memory interconnect according to the communication protocol and to responsively perform memory accesses in a local memory. The type of message sent on the interconnect may depend on which memory region...http://www.google.com.tw/patents/US6795850?utm_source=gb-gplus-share專利 US6795850 - System and method for sharing memory among multiple storage device controllers