| ATM
protocol reference model |
|
|
|
| User
application |
||
| (higher
protocol layers) |
||
|
|
| Voice traffic, |
|
| IP traffic |
|
|
|
| Segmentation
and |
|
| reassembly
(SAR), |
|
| end-to-end
control |
|
| ATM adaptation layer |
|
|
| ATM
cell multiplexing |
|
| and switching |
|
| ATM layer |
|
|
| Usually
SDH transport |
|
| (STM-N) |
|
| Physical layer |