| 摘要 |
A network system connects with processes P 1 to P 5 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 P 1 is a parent process and processes P 2 to P 4 are child processes. When processes P 1 to P 4 constitute a group, each of child processes P 2 to P 4 stores parent process P 1 . Parent process P 1 stores each of child processes P 2 to P 4 that store itself (P 1 ). When process P 5 in another group is connected, parent process P 1 exchanges a message with process P 5 for negotiation to determine either to be a parent process and change the other to a child process.
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