The basics of how data moves across the internet — TCP/IP, ports, DNS, and more.
How data centers avoid a single point of failure by building in multiple layers of backup connectivity.
Nov 01, 2025The functional difference between these two commonly confused pieces of network hardware.
Oct 31, 2025How network capacity gets divided fairly among many users sharing the same infrastructure.
Oct 30, 2025The functional difference between a proxy server and a VPN, beyond both hiding your IP.
Oct 29, 2025Why a network intentionally slows certain traffic, and how it affects hosted applications.
Oct 28, 2025How NAT lets many devices share a single public IP address.
Oct 27, 2025What MTU controls, and why oversized packets get split up along a network path.
Oct 26, 2025The role a default gateway plays in routing traffic beyond your local network.
Oct 25, 2025How networks connecting directly to each other, rather than through a third party, improves speed for everyone.
Oct 24, 2025What causes data to go missing in transit, and how it manifests as real-world connection problems.
Oct 23, 2025