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MPLS, Multiprotocol Label Switching
MPLS, Multiprotocol Label Switching
MPLS consists of configuring paths for a specific sequence of packets. The paths are identified by labels placed in each packet, reducing the time it takes for a router to lookup the address of the next node it needs to be forwarded to.
MPLS is labeled multiprotocol because it integrates with various network protocol: IP (Internet Protocol), ATM (Asynchronous Transport Mode), Ethernet and frame relay. MPLS enables most packets to be sent at the layer 2 switching level instead of the layer 3 routing level. MPLS also uses techniques that allow the integration of different technologies. When combined with the necessary signaling protocols, it is able to detect, configure and successfully manage connectivity.
Aside from increasing the speed of overall network traffic, MPLS enables easy management for QoS (Quality of Service). This is a factor that has led experts to anticipate the more frequent use of MPLS as networks pick up larger blends of traffic.