Internet Architecture: Packet Switching vs Circuit Switching (1969)
by Anonymous
ARPANET's designers chose packet switching over the telephone network's circuit switching. This made the network resilient (no single point of failure) and efficient (shared bandwidth), becoming the foundation of the internet.
Packet Switching
1969
year
No single point of failure — designed to survive nuclear attack
resilience
Shared bandwidth, dynamic routing
efficiency
Chose — became the Internet
outcome
Circuit Switching
1969
year
Single path — fails if any node goes down
resilience
Dedicated bandwidth per connection
efficiency
Remained for telephone until VoIP
outcome
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