Router
device · 1969 · Digital age
Forwards packets between networks; the IMP in ARPANET.
What it is made of
- System on a chip (SoC) — has part. A packet-processing processor.
- Ethernet ports — has part. Ethernet ports.
- Radio module and antenna — has part. A Wi-Fi access point.
- Antenna — has part. Antennas.
Principles and materials it uses
- Packet switching — uses. It forwards packets.
- TCP/IP — uses. IP routing.
- Dijkstra’s algorithm — uses. The OSPF protocol — shortest paths.
- Silicon — is made of. The chips are silicon.
- Steel — is made of. The hull is steel.