How Data flows through the internet
- End to end flow: https://www.youtube.com/watch?v=YJGGYKAV4pA&list=PLIFyRwBY_4bRLmKfP1KnZA6rZbRHtxmXi&index=13
- Host
- Routing Table
- ARP Cache
- Switch
- MAC Address Table
- Router
- Routing Table
- ARP Cache

Tell me everything when you type www.google.com from web browser
- Phase 1: Use DNS to resolve IP address
- Phase 2: Send HTTP request to IP address