Basic question on 'Private Line' vs MPLS question

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May 26th, 2010
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From a telecom/ISP perspective, imagine that a certain user wants to

connect two offices.

Let's say the price for a "private line" product and MPLS is the same.

Is there any technical reason people are preferring the "private line" services instead of MPLS? I know that the "private line" allows point-to-point connectivity, but MPLS can allow scalability (I know the given customer is not interested in future growth at the moment).

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Jerry Ye Wed, 05/26/2010 - 18:09
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Assuming same price for both type and no growth (sites) in the near future, here are what I can think of

1) Private line will go through MUX'es (mostly physical layer equipment), and you can run any routing protocol you want, BGP, OSPF, EIGRP, IS-IS, or static

2) MPLS will require PE from the provider, where you will require running routing protocol like BGP, OSPF or static

3) some customer I'd worked with will run encryption and GRE over MPLS to protect their data but I hardly see customer will have such security requirement for private line




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