<Ul> <Li> The Transport Layer PDU is the segment for TCP, and the datagram for UDP . </Li> <Li> The Internet Layer PDU is the packet . </Li> <Li> The Link Layer PDU is the frame . </Li> </Ul> <Li> The Transport Layer PDU is the segment for TCP, and the datagram for UDP . </Li> <Li> The Internet Layer PDU is the packet . </Li> <Li> The Link Layer PDU is the frame . </Li>

The protocol data unit for the physical layer of the osi model is payload or data.​