• What is the difference between a LAN and a WAN?

    A WAN, or wide area network, is a collection of connected LANs. It is a widespread network of local networks. A WAN can be any size, even thousands of miles wide; it is not restricted to a given area.

     

    How do LANs relate to the rest of the Internet?

    The Internet is a network of networks. LANs usually connect to a much larger network, an autonomous system (AS). ASes are very large networks with their own routing policies and with control over certain IP addresses. An Internet service provider (ISP) is one example of an AS.

     

    Picture a LAN as a small network, that connects to a much larger network, that connects to other very large networks, all of which contain LANs. This is the Internet, and two computers connected to two different LANs thousands of miles apart can talk to each other by sending data over these connections between networks.

    Read more: local access network design

    How does Cloudflare protect LANs?

    On-premise business infrastructure, such as LANs and their accompanying routers, switches, and servers, often face malicious attacks, including DDoS attacks. Cloudflare Magic Transit protects on-premise networks and infrastructure from malicious attacks, in addition to accelerating legitimate network traffic. Cloudflare Magic Transit also protects cloud-hosted and hybrid networks.


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