Help with conceptual question on MPLS vs. ATM

Answered Question
May 15th, 2009
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A network event speaker mentioned that she sees MPLS can be a "replacement to ATM" technology.


Does that make sense?


I know how MPLS can be used, but so far I haven't seen that related to replacement of ATM.


If the statement makes sense can elaborate? Thanks.

Correct Answer by vmiller about 8 years 2 months ago

1. Yes

2. One could consider ATM a precursor to MPLS in that you can direct traffic via VPI/VCI. This is essentially layer 2 Psueudowires. Its a somewhat dated approach.

MPLS Provides similar functionality at Layer 3 with a few more features.


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vmiller Mon, 05/18/2009 - 06:23
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1. Yes

2. One could consider ATM a precursor to MPLS in that you can direct traffic via VPI/VCI. This is essentially layer 2 Psueudowires. Its a somewhat dated approach.

MPLS Provides similar functionality at Layer 3 with a few more features.


Correct Answer
vmiller Mon, 05/18/2009 - 06:24
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  • Gold, 750 points or more

1. Yes

2. One could consider ATM a precursor to MPLS in that you can direct traffic via VPI/VCI. This is essentially layer 2 Psueudowires. Its a somewhat dated approach.

MPLS Provides similar functionality at Layer 3 with a few more features.


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