Abstract Algorithms

Category

networking

2 articles across 2 sub-topics

Interview-prep(1)

Real-Time Communication: WebSockets, SSE, and Long Polling Explained

TLDR: 🔌 WebSockets = bidirectional persistent channel — use for chat, gaming, collaborative editing. SSE = one-way server push over HTTP with built-in reconnect — use for AI streaming, live logs, notifications. Long Polling = held HTTP requests — th...

Mar 28, 2026•23 min read

Ai(1)

API Gateway vs. Load Balancer vs. Reverse Proxy: What's the Difference?

API Gateway vs. Load Balancer vs. Reverse Proxy: What's the Difference?

TLDR: A Reverse Proxy hides your servers and handles caching/SSL. A Load Balancer spreads traffic across server instances. An API Gateway manages API concerns — auth, rate limiting, routing, and protocol translation. Modern tools (Nginx, AWS ALB, Kon...

Feb 16, 2026•14 min read