| ATM
is a transport technique |
| for
implementing network “backbone” |
|
|
|
| Network backbone |
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| based on ATM |
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|
|
|
| Network backbone |
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| based on TDM |
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|
|
|
| Network backbone |
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| based on IP |
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| Application |
| Application |
| Application |
| IP |
| Physical |
| IP |
| ATM |
| Physical |
| IPoA |
| Physical |
| PoS (Packet
over SDH/Sonet) |
| Application |
|
|
|
|
|
| Application
can be circuit |
||||
| switched or packet switched |
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| (possibility of IP-over-IP) |
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| ATM |
| Physical |