label switched path


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label switched path

(networking)
(LSP) The specific path through a network that a datagram follows, based on its MPLS labels.
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Each IP physical router hosts a virtual router and each virtual link is mapped on a label switched path (LSP) of the MPLS substrate network.
The MPLS-IX architecture approach is a clearly innovative as it provides media-independent true any-to-any geographically distributed peering or a virtual backbone based on MPLS LSP (Label Switched Path) for service providers.
GMPLS extends the concept of Label Switched Path (LSP) setup beyond the Label Switched Routers (LSR) to wavelength and fiber switching capable systems.