Many people neither use the term PDU nor the term frame, but call every unit of data traveling over a network a "packet." See OSI model and packet. THIS DEFINITION IS FOR PERSONAL USE ONLY.

The maximum transmission unit (MTU) for a protocol sets the top limit on how big its packets can be. However, the network devices ... before forwarding the data. For example, an IPv4 router ...

After completing her Ph.D in computer science ... bridges are connected to or removed from a network. When a bridge receives a bridge protocol data unit (BPDU), issued in response to the topology ...

Mills, the inventor of Network Time Protocol ... clocks of computers over a network to synchronize to a common time source. This synchronization is vital for everything from data integrity ...