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    • MPLS-over-GRE based VPN architecture: A performance comparison 

      Lee, W.; Bhagavathula, Ravi; Thanthry, Nagaraja; Pendse, Ravi (IEEE, 2002-08-04)
      MPLS VPNs are one of the most widely deployed VPN architectures in the global Internet. However, a major prerequisite for MPLS VPN is the support for MPLS in all the provider core routers. The situation becomes complicated ...