Local Area Network

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Posted by James Freeman |
Edraw Network Diagram is ideal for network engineers and network designers who need to draw local area network diagrams.

Local Area Network Technologies Overview

Local Area Network (LAN) is a data communications network connecting terminals, computers and printers within a building or other geographically limited areas. These devices could be connected through wired cables or wireless links. Ethernet, Token Ring and Wireless LAN using IEEE 802.11 are examples of standard LAN technologies.

Ethernet is by far the most commonly used LAN technology. Token Ring technology is still used by some companies. FDDI is sometimes used as a backbone LAN interconnecting Ethernet or Token Ring LANs. WLAN using IEEE 802.11 technologies is rapidly becoming the new leading LAN technology for its mobility and easy to use features.

Local Area Network could be interconnected using Wide Area Network (WAN) or Metropolitan Area Network (MAN) technologies. The common WAN technologies include TCP/IP, ATM, Frame Relay etc. The common MAN technologies include SMDS and 10 Gigabit Ethernet.

LANs are traditionally used to connect a group of people who are in the same local area. However, the working group are becoming more geographically distributed in today's working environment. There, virtual LAN (VLAN) technologies are defined for people in different places to share the same networking resource.

Local Area Network protocols are mostly at data link layer (layer 2). IEEE is the leading organization defining most of the LAN protocols.

Local Area Network Diagram Software

Edraw Network Diagram is ideal for network engineers and network designers who need to draw wan diagrams. It had defined some common used WAN symbols in drawing WAN diagrams. Just drag and drop pre-drawn shapes representing computers and network devices. Double click and set equipment data.

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Examples of Local Area Network Technologies

Wireless LAN Diagram Home LAN Diagram Cisco LAN Network

Symbols of Network Architecture

Some LAN network symbols for network engineer. Edraw provides a Common Graphics Technology for Network Mapping.

Symbols of Network Architecture

You can find more symbols for WAN diagrams at here.

Network Diagram Software

Wide Area Network Technology

Some examples of Wide Area Network Topologies

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