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 2:Application Layer2: Application Layer 11 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