WAN Technologies
Whereas LAN technologies tend to focus on connecting a large number of systems that are in close proximity to each other to a very fast network, WAN technologies tend to focus on interconnecting LANs and making connections to remote sites and resources. There are three main categories of WAN networks:
Internet— The Internet is, obviously, the largest WAN on the planet. With roots in the ARPAnet (Advanced Research Projects Agency Network), the Internet is used to provide a global network of resources and access points known as Internet service providers (ISPs). More and more companies are using the Internet as a connection medium, securing the traffic in VPN tunnels.
Intranet— An intranet is a private network based in concept ...
Get CISSP Training Guide now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
