Learn how the internet works with a simple guide on DNS, IP addresses, and routing—explained clearly to show how online connections happen in seconds.

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...

Internet Protocol (IP) has emerged over the past decade as the most deployed data communications transport protocol. To a certain extent, IP's unanimous adoption is due to its simple nature and open ...

As Internet-based communications become increasingly mission-critical, non-deterministic network performance is no longer acceptable. With fiber-optic build out dramatically increasing and network ...

Routing protocols have far-reaching effects on the performance and reliability of your network, but sorting out the differences between them can be a challenge. Choose the best one for your network by ...