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Wide Area Network

A network that extends over a large geographical distance, often connecting multiple LANs across cities, countries, or continents.

AbbreviationWAN
Categorynetwork

Overview

A Wide Area Network (WAN) is a large-scale network that connects smaller networks, such as LANs and MANs. The Internet is the largest and most well-known example of a WAN.

Key Characteristics

  • Geographic Scope: Can span across the globe.
  • Connectivity: Uses leased lines, fiber optics, satellites, and public networks.
  • Management: Often managed by multiple service providers (ISPs).

Technologies

  • MPLS: Multi-Protocol Label Switching for efficient routing.
  • SD-WAN: Software-Defined WAN for flexible network management.
  • Satellite Links: For connectivity in remote areas.

Related Terms

Router