A network system connects with processes P1 to P5 that can mutually send and receive a broadcast message specified with no destination and a message specified with a specific process portion and change their states to parent or child processes. For example, process P1 is a parent process and processes...http://www.google.de/patents/US7433927?utm_source=gb-gplus-sharePatent US7433927 - Network system, network control method, and signal sender/receiver
