Simplify the following text for a Grade 7 native English-speaking person.
Original: Every request must be broadcast to all nodes in a system , meaning that as the system gets larger , the size of the ( logical or physical ) bus and the bandwidth it provides must grow .
Simplified: Every request must be broadcast to all nodes in a system . As the system gets larger , the size of the ( logical or physical ) bus and the bandwidth it provides must grow .