ADevGuide Networking and Protocols
Beginner-friendly protocol and request flow explainers for core internet concepts.
-
How APIs Work: A Simple Guide for Beginners
Series: Internet and Web Foundations Series
Learn how APIs work end to end: requests, responses, authentication, status codes, versioning, and practical backend patterns for beginners.
-
Monolith vs Microservices: Pros, Cons, and When to Choose
Series: Internet and Web Foundations Series
Understand monolith vs microservices architecture. Learn pros, cons, real-world examples from Netflix and Amazon, and when to use each approach.
-
Application Server vs Web Server: Key Differences Explained
Series: Internet and Web Foundations Series
Understand application server vs web server with clear architecture patterns, Java and .NET examples, and when to use each in production.
-
What Is a Web Server? How Nginx and Apache Work
Series: Internet and Web Foundations Series
Learn what a web server is and how Nginx and Apache handle HTTP requests, static files, reverse proxying, and production traffic.
-
What Is Client-Server Architecture? Beginner Guide
Series: Internet and Web Foundations Series
Learn client-server architecture with clear request-response flow, tiers, scaling patterns, and practical backend design examples for beginners.
-
How the Internet Works: Simple Explanation for Developers
Series: Internet and Web Foundations Series
Learn how the internet works end to end: packets, ISPs, routers, DNS, TCP/TLS, and CDNs, with practical debugging insights for developers.
-
What Happens When You Type a URL? Step-by-Step Explained
Series: Internet and Web Foundations Series
Understand what happens when you type a URL: browser parsing, DNS lookup, TCP/TLS handshakes, HTTP flow, rendering, and debugging tips.
-
TCP vs UDP Explained Clearly with Real Examples
Series: Internet and Web Foundations Series
Learn TCP vs UDP with real examples, packet flow, reliability trade-offs, and a practical decision framework for backend systems.
-
How DNS Works: Complete Beginner Explanation
Series: Internet and Web Foundations Series
Learn how DNS works from browser query to authoritative answer, including records, caching, TTL, and practical troubleshooting steps.
-
HTTP vs HTTPS: What's the Difference? (Beginner's Guide)
Series: Internet and Web Foundations Series
Learn HTTP vs HTTPS with clear examples: encryption, TLS certificates, integrity, authentication, SEO impact, performance, and migration best practices.