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

OSI model

TCP/IP model

  • Application layer

Application layer

  • Presentation layer
  • Session layer
  • Transport layer

Network Access Layers

  • Network layer
  • Data link layer
  • Physical layer


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