Connecting to the internet
The internet has become a central part of all businesses. All organizations connect to the internet for web connectivity, email connectivity, and, more recently, moving to cloud service providers, for meeting their data center requirements. Therefore, the links that connect the organization to the internet are a critical part of the WAN infrastructure and are being handled as a separate section.
The internet WAN links carry the traffic from the organization to the World Wide Web (WWW), and vice versa. These links are also sometimes used to create overlay point-to-point tunnels that can be used as backups for important primary links, or even as secure connectivity to smaller branch locations.
The internet WAN link connects the organization to the upstream Internet Service providers (ISPs) that provide internet connectivity. The organization needs public IP addresses to connect to the internet as the addresses on the internet are unique. Given the fact that the world...
