Processes communicating Process: program running Client process: process within a host that initiates within same host. two communication processes communicate Server process:process using inter-process that waits to be communication(defined contacted by oS processes in different Note: applications with hosts communicate by P2P architectures have exchanging messages client processes server processes uct by Weiteng Sun chapter2-application layer 10/73Introduct by Weifeng Sun chapter2- application layer 10/73 Processes communicating Process: program running within a host. • within same host, two processes communicate using inter-process communication (defined by OS). • processes in different hosts communicate by exchanging messages Client process: process that initiates communication Server process: process that waits to be contacted • Note: applications with P2P architectures have client processes & server processes