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Intro to Computer Networks for Software Engineers

What every web developer must know about computer networks

Vinicius Dias

Learn computer networks without wasting time with too much theory. The must-know for web developers who want to understand the behind the scenes of networks.

This book is a translation into English of Introdução a Redes para Programadores Web which was originally written in Portuguese (Brazilian)

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About

About

About the Book

Every software engineer that develops web applications uses networking concepts all the time, but few of us really understand what happens between the browser and the server. The purpose of this book is to fill this gap: to explain the basics of computer networks in a clear and concise way, focused at people who write code.

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This book is a translation into English of Introdução a Redes para Programadores Web which was originally written in Portuguese (Brazilian)

Author

About the Author

Vinicius Dias

Graduado em Tecnologia da Informação e Comunicação; Especialista em Software Architecture; pós-graduando em Computação Forense e certificado como Zend Certified PHP Engineer, Vinicius sempre tenta seguir a regra do bom escoteiro: "sempre deixe o código mais limpo do que quando o encontrou".

Com mais de uma década de experiência na área, tendo atuado em cargos que nem existem mais, como Webmaster, atualmente é Senior Software Engineer em uma empresa estadunidense chamada SOCi Inc, instrutor na maior escola online de tecnologia do Brasil, Alura, e YouTuber. Sendo um dos administradores de comunidades PHP como PHP Rio e PHP Brasil, Vinicius já palestrou em diversos eventos na área e adora compartilhar conteúdo técnico.

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Contents

Table of Contents

Introduction to Networking for Web Developers

  1. Motivation for this book
  2. What will be covered in this book
  3. How the content is organized

Network fundamentals for web developers

  1. What is a network
  2. Network Packets
  3. Latency and Bandwidth
  4. Network Layers

Internet Layer

  1. IP - Internet Protocol
  2. Routing
  3. Public and private IPs
  4. NAT — Network Address Translation

Transport Layer

  1. Ports
  2. Sockets
  3. TCP
  4. UDP
  5. Visualizing communication with TCP
  6. Visualizing communication with UDP
  7. Comparison between TCP and UDP

Application Layer

  1. DNS - Domain Name System
  2. SSH
  3. Other Protocols

Understanding HTTP in Depth

  1. Initial Concepts
  2. Anatomy of an HTTP Request
  3. Anatomy of an HTTP Response
  4. URLs
  5. HTTP Methods (or Verbs)
  6. Properties of HTTP Methods
  7. Response codes
  8. Use of headers
  9. Cookies

Going Beyond HTTP

  1. Compression
  2. HTTPS
  3. HTTP Versions
  4. CDNs
  5. WebSockets
  6. Other Evolutions and Protocols

Conclusion

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