Multiprotocol Label Switching
Multiprotocol Label Switching (MPLS) remains a vitally important part of many service
provider (SP) networks. MPLS is still growing in popularity in enterprise networks as well,
particularly in larger enterprise internetworks. This chapter introduces the core concepts with
MPLS, particularly its use for unicast IP forwarding and for MPLS VPNs.
■ Label Switching Router (LSR)
■ Label Switched Path (LSP)
■ Route Descriptor
■ Label Format
■ Label Imposition/Disposition
■ Label Distribution