Level 01: Core Fundamentals
The Invisible Architecture.
An interactive breakdown of the hardware, protocols, and light-speed signals that turn a single click into a global connection.

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01. THE REQUEST
DNS Resolution
Your browser doesn't know where "google.com" lives. It asks a DNS resolver for an IP address—the internet's version of a street coordinate.

02. THE PACKET
Data Shredding
Large files are broken into tiny "packets." Each one is tagged with its destination and sequence number before being launched into the wild.

03. THE ROUTE
BGP Routing
Routers act as traffic controllers, using the Border Gateway Protocol to find the fastest path through copper, glass, and satellite links.
