Difference between ISDN and ATM - Networking

Difference between ISDN and ATM.

- ISDN uses circuit switching where as ATM uses packet switching communication
- ISDN is a point to point fixed bandwidth communication, where as ATM is a variable bandwidth communication
- ISDN delivers at minimum two simultaneous connections.

ATM is connection-oriented which establishes a logical connection between 2 end points before the commencement of data exchange.
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