In the Internet, the datagrams transmitted by IP datagrams are assembled at the final destination host. There can also be another approach, that is, the datagram can be assembled once through a...

In the Internet, the datagrams transmitted by IP datagrams are assembled at the final destination host. There can also be
another approach, that is, the datagram can be assembled once through a network. Compare the advantages and disadvantages of the
two methods.