What are MPLS Networks and how do they work?

What is MPLS? Multi-Protocol Label Switching (MPLS) provides a mechanism for forwarding packets for any network protocol. It was originally developed in the late 1990s to provide faster packet forwarding for IP routers. Since then its capabilities have expanded enormously, to support such things as service creation (VPNs), traffic engineering, network convergence, and increased resiliency. […]

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