Skip to content
Coding FodingcodingFoding(you: Human)
  • Careers
  • Pricing

Theme

Heading font

  1. Home
  2. Backend First Principles
  3. How Machines Communicate
  4. Routers, Switches and Gateways

Part 02 · How Machines Communicate

Routers, Switches and Gateways

RouterSwitchGateway

The boxes that move your packets across rooms, buildings and continents.

⏱ 1 hours · Station 17 of 153

161718
← Previous stopDNS: Names to AddressesNext stop →TCP vs UDP
Coding FodingcodingFoding(you: Human)

Everything you need, in one path.

Start free

Learn

  • Backend First Principles
  • DevOps & Cloud
  • System Design
  • AI & LLM Engineering
  • Database Internals
  • Frontend System DesignSoon

Practice

  • DSA problems
  • AI / ML problemsSoon
  • System Design Problems
  • Build to Hire

Interview

  • Interview PrepSoon
  • Most Common QuestionsSoon
  • Interview ExperiencesSoon
  • Success StoriesSoon

Community

  • Leaderboard
  • Blogs
  • Roadmap

More

  • Careers
  • Pricing

//codingFoding()

© 2026 Coding Foding · Made with ❤️ in Bangladesh