IP over MPLS

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IP over MPLS

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Multi-protocol Label Switching (MPLS) is a switching mechanism that uses labels (numbers) to forward packets. Labels usually correspond to layer-3 destination addresses (equal to destinationbased routing). Labels can also correspond to other parameters (QoS, source address, etc.). MPLS was designed to support other protocols as well. Label switching is performed regardless of the layer-3 protocol.

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