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An MPLS Engineer configures and troubleshoots Multiprotocol Label Switching (MPLS) in a telecom network. MPLS enables a consistent flow of data traffic in high-performance telecommunications networks.

MPLS telecom integrates traffic engineering (TE) capabilities into Layer two and three services. The routing of IP traffic is optimized at this layer. MPLS can compress packets of several network protocols. This is why engineers and administrators describe it as multi-protocol. MPLS supports a range of access technologies, including T1/E1, ATM (Asynchronous Transfer Mode), frame relay and DSL.