Network Layer and Circuit Switching. Networks provide for communication between devices without direct connections. Circuit Switching is the Oldest Networking Technology. Circuit-Switching.
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Network Layer and Circuit Switching
Networks provide for communication between devices without direct connections. Circuit Switching is the Oldest Networking Technology
Connects subscriber to local telco exchange
Telco switching centers
Also known as end office
>19,000 in US
Connections between exchanges
Carry multiple voice circuits using FDM or synchronous TDM
Managed by IXCs (inter-exchange carriers)