| 1 | This is because loose coupling is not appropriate at all levels of application design. | |
| 2 | They can be used as sources for consumers at any level within the composition hierarchy. | |
| 3 | On the next detail level, we have two more subsystems: System Command & Control and Persistence. | |
| 4 | China is experimenting with democracy at the lower levels of government because it acts as a useful check against abuse of power. | |
| 5 | Fixed Node Hierarchy: This feature supports the ability to determine cluster leadership, auto merge groups, and node discovery where multicast might not work. |