Networking
What is MPLS? Multiprotocol Label Switching Explained for Modern Networks
Understand MPLS label switching, how it differs from IP routing, its role in enterprise WANs, and why SD-WAN is replacing it in many networks.
Blog
Deep-dive technical articles on cloud architecture, networking, security, databases, and infrastructure. Written by practitioners who build and scale production systems.
Cloud Architecture
Virtualization and Hypervisors: How Virtual Machines Actually Work
A principal architect explains how virtualization and hypervisors actually work under the hood, from CPU privilege rings to memory overcommit, with real war stories.
Networking
What is SNI (Server Name Indication)? How TLS Powers Multi-Domain Hosting
Learn how SNI lets one IP address serve TLS certificates for multiple domains, why it was invented, and what happens when clients don't support it.
Cloud Architecture
What is Cloud Computing? A No-BS Guide from Someone Who Built Data Centers
A veteran architect who built physical data centers explains what cloud computing actually is, how it works under the hood, and why it matters for your infrastructure decisions.