Networking Basics for Developers: Understand How the Internet Really Works

Master the networking fundamentals that every modern developer needs to build better applications.

As a developer, you write code that connects to databases, calls APIs, and serves web content—but do you really understand what happens beneath the surface? When network issues arise, are you equipped to debug them efficiently? Can you make informed decisions about application architecture, performance optimization, and security?

Networking Basics for Developers bridges the critical knowledge gap between writing code and understanding how that code communicates across networks. This practical guide demystifies networking concepts through the lens of real-world development scenarios, empowering you to build more robust, efficient, and secure applications.

What You'll Learn:

Fundamental networking principles including the OSI and TCP/IP models that govern all internet communication

IP addressing and subnetting essentials for understanding network topology and connectivity

DNS resolution and how domain names translate to IP addresses behind the scenes

Ports and protocols that enable different network services to coexist and communicate

HTTP and HTTPS in depth including headers, methods, status codes, and TLS encryption

Network infrastructure components like firewalls, NAT, and routers that protect and direct traffic

Socket programming basics for building network-aware applications from the ground up

RESTful API design considerations from a networking perspective

Debugging techniques for troubleshooting network-related issues efficiently

Security best practices to protect your applications from common network vulnerabilities

Cloud and DevOps networking including load balancers, service meshes, and container networking

Why This Book Is Different:

Unlike traditional networking textbooks filled with abstract theory, this book focuses exclusively on the networking knowledge that directly impacts your work as a developer. Every concept is presented through practical examples, code snippets, and real-world scenarios you'll recognize from your daily work.

Whether you're investigating why an API call is slow, configuring CORS headers, choosing between HTTP/2 and WebSockets, or deploying microservices to the cloud, you'll find clear explanations that connect networking fundamentals to practical development challenges.

Who This Book Is For:

Frontend developers wanting to understand what happens after making an API call

Backend engineers optimizing service-to-service communication

Full-stack developers building distributed applications

DevOps practitioners managing networked infrastructure

Any developer ready to move beyond copy-pasting Stack Overflow solutions to network problems

Comprehensive Yet Accessible:

The twelve focused chapters build progressively from networking foundations to advanced topics, while remaining approachable for developers new to networking. Extensive appendices provide quick-reference materials, practical tools, a comprehensive glossary, and ready-to-use code examples.

Stop treating networking as a mysterious black box. Gain the confidence to debug network issues, optimize application performance, design better distributed systems, implement proper security measures, and collaborate effectively with DevOps teams.

Transform your understanding of the networking foundation that powers everything you build.

© 2025 Dargslan s.r.o. (Ebook): 6610001101145

Release date

Ebook: 11 November 2025