Tag
#networking
4posts
Tech6 min read
Hosting a website on a $1 microcontroller
One programmer squeezed a real TCP/IP stack onto a $1 AVR chip using SLIP over serial. The site is slow, the TCP is buggy, and it loads.
#embedded#networking#avr
Tech5 min read
CDN: The 'Local Convenience Store' Mental Model
Why does your image load instantly for users in the US but crawls in Vietnam? A mastery guide to CDN Edge Nodes, Cache-Control headers, and cache busting.
#System Design#Performance#Networking
Tech5 min read
Load Balancer, Reverse Proxy, API Gateway: The Grand Hotel Mental Model
Confused by the 'Traffic Trio'? A mastery-level guide to Load Balancers, Reverse Proxies, and API Gateways - from mental models to Nginx configs.
#System Design#Networking#Infrastructure
Tech7 min read
TCP vs. UDP: The 'Registered Mail' Mental Model
Why does video calling glitch but file downloads pause? A mastery guide to the 3-Way Handshake, Head-of-Line Blocking, and why UDP is winning (HTTP/3).
#Networking#TCP/IP#Protocols