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Compare ATM and Frame Relay
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written 8.4 years ago by
teamques10
★ 68k
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| Sr No. | ATM | Frame Relay |
|---|---|---|
| 1. | Fixed length packet size called cells (53bytes) | Variable length packet size called frames |
| 2. | Processing overhead is reduced | Processing overhead is more |
| 3. | User constant data rate | Variable constant data rate |
| 4. | Allows multiple channel rate | Multiple channel not allowed |
| 5. | Data transfers are within a single LAN | It is used to connect LAN and it is not implemented within a single area network |
| 6. | Cost is higher | Less expensive |
| 7. | ATM is a network switching technology that uses a cell based methodology to quantize data | FR is a packet switching technology for connecting network points in WAN |
| 8. | ATM is designed for hardware implementation | Frame relay is designed by means of software |
| 9. | It is difficult to upgrade hardware implemented ATM system | It is easier to upgrade software implemented Frame relay system |
| 10. | Hardware implemented ATM have higher processing and switching thus proving high speed data transfer | Software implemented ATM Frame relay is slower as it takes more time to process and switch packets through virtual circuits |
| 11. | Large overhead which gives low efficiency | Low overhead which gives low efficiency |
| 12. | ATM is useful in transmitting video and image traffic at high speed for shorter transactions | Useful in transmitting large sized file for longer transactions with lesser error. |
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