Komunikasi Data (Data Communications) dan Jaringan Komputer

Communication Basics

•Computer communications is at three levels

•Application level

•Computer level

•Communication channel

•Protocol

•Set of rules for communications

•OSI Standard

ISO Website





Protocols for Computer Communication

•Early computers

•Terminals

•Sneaker net

•System Network Architecture (SNA)

•Established by IBM in 1974

•Proprietary

•Token-Ring

•Host computer controlled

•peer-to-peer

•Ethernet

•Xerox working with Intel and Digital Equipment Corporation developed this protocol

•Non-proprietary

•Defined by IEEE

•Works on a single transmission line

•No token is passed