Tag: Networking
Articles tagged with "Networking"
Explore all content related to Networking on xTom.
8/22/2026
Anycast Explained: How One IP Address Can Live in Multiple Places at Once
Anycast lets a single IP address be announced from many locations at once, routing users to the nearest one automatically. Here's how it actually works, where it's used, and what it takes to run it yourself.
6/24/2026
What's a Point of Presence (PoP)?
A point of presence (PoP) is the physical spot where one network meets another and hands off traffic, and it quietly shapes how fast your sites and apps feel. Here's what a PoP actually is, what lives inside one, and how to check a provider's PoP footprint before you commit.
5/22/2026
What Is a CDN and How Do They Work?
A content delivery network (CDN) is a globally distributed system of servers that delivers web content to users faster by serving it from a location close to them. This article explains what CDNs are, how they work under the hood, and when you actually need one.
5/22/2026
What Is a Regional Internet Registry (RIR)?
Regional Internet Registries are the organizations responsible for allocating IP addresses and Autonomous System Numbers across the globe. Understanding how they work is useful for anyone managing infrastructure, requesting IP space, or thinking about internet routing.
5/22/2026
What Is GeoDNS? How Location-Based DNS Routing Works
GeoDNS lets you route users to the server closest to them based on their location, cutting latency and improving reliability. Here's how it works and when you should use it.
5/8/2026
Understanding IPv4 and IPv6 Block Sizes
IP address blocks are the backbone of how networks are organized and routed across the internet, but the differences between IPv4 and IPv6 allocations can be confusing. This guide breaks down block sizes, CIDR notation, and what it all means in practice.
2/25/2026
How Does the Internet Work?
The internet connects billions of devices across the globe, but most people have no idea what's actually happening behind the scenes. This guide breaks down how data travels from one point to another, in plain English.