HUT Comms. Lab, Timo O. Korhonen
36
TCP/IP: Transmission Control Protocol
            Internet Protocol
nThe first Internet was ARPANET in 1969’s with four nodes
nPresent TCP/IP version 4 has problems especially in
nlacking of address capacity
nsecurity
nIn 1997 ipV6 was initiated - However not too much used yet due to compatibility problems
nTCP/IP does not have any general advance (except that it is so widespread) when compared to IPX, AppleTalk, DECnet etc.
nEssential high level network functions
nrouting management
nname servers
nnetwork management protocols
nNetwork consists of
nhardware as workstations, networks, routers, bridges
nsoftware as applications and protocols
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Text Box: TCP/IP Network architecture
TCP/IP Network
architecture