internet infrastructure

3 articles · All tags

• How Network Address Translation (NAT) Works
  Network address translation (NAT) lets a router share one public IP address among many devices by rewriting addresses and ports in each packet as it passes through.
• TCP vs UDP: Differences, Use Cases, and When to Use Each
  TCP delivers data reliably and in order using handshakes and retransmission; UDP sends fast, connectionless datagrams. Compare the two and learn when each fits.
• Domain Name System
  The hierarchical, distributed naming system that maps human-readable domain names to IP addresses and other network records.