Tuesday, August 11, 2009

CATEGORIZING IN Computer networking

CATEGORIZING IN Computer networking

By scale
• Personal area network (PAN)
• Local area network (LAN) o HomePNA o Power line communication (HomePlug)
• Metropolitan area network (MAN)
• Wide area network (WAN)

By functional relationship

• Active Networking (Low-level code movement versus static data)
• Client-server
• Peer-to-peer (Workgroup)

By network topology
• Bus network
• Star network
• Ring network
• Mesh network
• Star-bus network
• Storage area networks
• Process control networks
• Value added network
• SOHO network
• Wireless community network

Protocol stacks

Computer networks may be implemented using a variety of protocol stack architectures, computer buses or combinations of media and protocol layers, incorporating one or more of:
• ARCNET
• AppleTalk
• ATM
• Bluetooth
• DECnet
• Ethernet
• FDDI
• Frame relay
• IEEE 802.11 aka Wireless LAN (Wi-Fi certification)
• IEEE-488
• QsNet
• RS-232
• System Network Architecture
• Token Ring
• TCP
• USB
• UDP

Layers





Data transmission


Wired transmission


• Public switched telephone network o Modems and dialup

• Dedicated lines – leased lines

• Time-division multiplexing

• Packet switching

• Optical fiber transmission o Synchronous optical networking o Fiber distributed data interface

Wireless transmission


• Short range o Bluetooth

• Medium range o IEEE 802.11

• Long range o Satellite o SMDS o Mobile phone data transmission (channel access methods)
Other
• Computer networking device o Network card

• Naming schemes

• Network monitoring

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