signaling in mpls

[Arjun Dabol]

in general what is the meaning of  "signalling" with respect to MPLS ? what signalling does basically?

Many Thanks

[Nagendra Kumar Nainar]

Hi,

It is the control plane terminology of informing about the label mapping for each FEC (like a prefix). Each LSR will assign labels for each prefix and 2ill "signal" using label signaling protocol like LDP to other connected neighbors.