Microsoft PowerPoint - Ch06.ppt []


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11 SAIC
Case 1
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network
N(N-1) N2-N N(N 1) N N N nodesnodes

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digital network technologiestechnologies



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777
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wide area networks, WANs local area networks, LANslocal area networks, LANs
network server network operating systemnetwork operating system
virtual private network
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client/server networks clients serversservers downsizing l t legacy systems
network computingp g peer-to-peer networking, P2P
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P2P
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twisted-pair wiret sted pa e coaxial cable fiber opticsfiber optics
dense wave division multiplexing, DWDMp g,
last mile
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—— 8M 153K
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Personal Communications Services, PCS i l LANwireless LAN
Bluetooth
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wireless markup l WMLlanguage, WML
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modems modulation demodulation
internetwork processors switchesswitches routers hubshubs gateways
lti l
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network operating systems network managementnetwork management
traffic management i security network monitoring capacity planning
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network topologies star network ring networkring network bus network h t kmesh network

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protocols network architectures
Open p Systems Interconnection, OSI Transmission Control Protocol/Internet Protocol TCP/IP
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Transmission C t l P t l/I t t P t l TCP/IPControl Protocol/Internet Protocol, TCP/IP
Internet telephony voice over IP, VoIP
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packet switchingpacket switching cell switching
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