Is it pratical or logicall to have a model in which the transport layer is unreliable but the network layer is reliable?
Assuming the transport layer gives unreliable services to the application layer and the network layer gives reliable services to the transport layer. I think this model will fail. An example is the buffers at the transport layer. Assume there is a buffer overflow and packets are dropped. No one will retransmit these lost packets. If…Details