Computer network

nd practical application of these disciplines.

Contents   [hide]            1 History            2 Properties            3 Communication media 3.1 Wired technologies 3.2 Wireless technologies 3.3 Exotic technologies 4 Communications protocols and network programming 4.1 Ethernet 4.2 Internet Protocol Suite 4.3 SONET/SDH 4.4 Asynchronous Transfer Mode 4.5 Network programming 5 Scale 5.1 Personal area network 5.2 Local area network 5.3 Home area network 5.4 Storage area network 5.5 Campus area network 5.6 Backbone network 5.7 Metropolitan area network 5.8 Wide area network 5.9 Enterprise private network 5.10 Virtual private network 5.11 Virtual Network 5.12 Internetwork 6 Organizational scope 6.1 Intranets and extranets 6.2 Internet 7 Network topology 7.1 Common layouts 7.2 Overlay network 8 Basic hardware components 8.1 Network interface cards 8.2 Repeaters and hubs 8.3 Bridges 8.4 Switches 8.5 Routers 8.6 Firewalls 9 Network performance 10 Network security 11 Network resilience 12 Views of networks 13 See also 14 References 15 Further reading 16 External links