Multiplexing/demultiplexing Demultiplexing at rcy host: Multiplexing at send host: delivering received segments gathering data from multiple to correct socket sockets,enveloping data with header (later used for demultiplexing) socket process application P3 P1 application P2 P4 application transport transport transport network network network link k link physical physical physical host 1 host 2 host 3 Transport Layer 3-8Transport Layer 3-8 Multiplexing/demultiplexing application transport network link physical P1 application transport network link physical application transport network link physical P3 P2 P4 P1 host 1 host 2 host 3 = socket = process delivering received segments to correct socket Demultiplexing at rcv host: gathering data from multiple sockets, enveloping data with header (later used for demultiplexing) Multiplexing at send host: