[mpls-linux-general] Does MPLS have some limitations?

[lingdong li <lin...@ya...>]

Hi,All
  I have read several documents about MPLS,and I have
worked some implementation about it.But I still have
some questions to be clarified.
 
  1. Does MPLS have some shortcomings?Almost in all of
the documents about MPLS,what we can see is the
advantages of MPLS.Is the MPLS so perfect?
  2. If MPLS is excellent,why it has not been
popularized? Why it has not replace the IP and ATM
technology?

  I hope you can help me,Thanks in advance!

Yours Sincerely
  LI 

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