MPLS
Multiprotocol Label Switching speeds up network traffic. When forwarding packets, the
Layer 2 (Switching) label is used to avoid complex destination lookups in the routing table.
MPLS uses Label Switched Paths (LSPs) to establish the network path. The packet will be
labeled so that service providers can decide the best way to keep traffic flowing. The
Multiprotocol Label Switching Transport Profile (MPLS-TP) extensions to MPLS are designed to
meet service provider requirements and are used as a network layer technology in transport
networks. MPLS-TP gives service providers a reliable packet-based technology that is based
on circuit-based transport networking. MPLS-TP is expected to be a low cost level 2
technology (if the limited profile is implemented in isolation) that will provide
QoS (Quality of Service), end-to-end
OAM (Operation Administration & Maintenance) and
protection switching.
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