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MPLS Fundamentals by Luc De Ghein - CCIE No. 1897

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Chapter 10

1. Name the advantages of AToM for the service provider.
A1: Answer: Following are the advantages of AToM for the service provider:

- You can apply AToM over the existing MPLS infrastructure and protect existing investments.

- You can provision AToM easily, because you do not need to deploy IP routing with the customer routers.

- You decouple edge and core technologies in the MPLS network. No changes are needed for the P routers, and only the PE routers need to have the intelligence to run AToM.

2. Name the advantages of AToM for the customers of the service provider.
A2: Answer: AToM has several advantages for the customers of the service provider:

- The customer can keep the virtual leased line-like service between his routers. ...

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