IP address e railway track: o que têm em comum

1. Passo 1. IP address — é um tipo de — TCP/IP. Part of IP.
2. Passo 2. TCP/IP — é utilizado em — Router. IP routing.
3. Passo 3. Router — utiliza — Packet switching. It forwards packets.
4. Passo 4. Packet switching — funciona como — Electrical telegraph. An analogy: telegraph messages were passed from station to station with intermediate storage — a “store and forward” principle similar to packet transmission.
5. Passo 5. Electrical telegraph — é utilizado em — Time zones. Synchronizing time by telegraph.
6. Passo 6. Time zones — foi inspirado por — Railway track. Introduced because of railway timetables.

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