MPLS
MPLS (Multiprotocol Label Switching) is a networking technology that directs data packets along predetermined paths using short labels rather than complex network addresses, improving speed and efficiency in traffic routing. It operates at a layer between traditional Layer 2 (data link) and Layer 3 (network) protocols, enabling faster forwarding and better traffic engineering in large-scale networks like those of ISPs and enterprises.
Developers should learn MPLS when working on network infrastructure, cloud services, or telecommunications projects that require optimized data routing, reduced latency, and enhanced Quality of Service (QoS). It is particularly useful for implementing VPNs, traffic engineering, and managing bandwidth in complex network environments, such as data centers or wide-area networks (WANs).