Multiplexing/demultiplexing multiplexing at sender: handle data trom muitiple demultiplexing at receiver: sockets,add transport use header info to deliver header (later used for received segments to correct demultiplexing) socket application application P1 P2 application ☐□socket (P3 (P4 process transport network transport network network link k physical physical Transport Layer 3-8Transport Layer 3-8 Multiplexing/demultiplexing process socket use header info to deliver received segments to correct socket handle data from multiple demultiplexing at receiver: sockets, add transport header (later used for demultiplexing) multiplexing at sender: transport application physical link network P1 P2 transport application physical link network P4 transport application physical link network P3