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LSP Bandwidth Modificationwith IntServ, MPLS and GMPLS Bandwidth modification is a natural feature of RSVP-TE: Receiver sends a Resv message with a different FLOWSPEC Connection bandwidth modification is a natural feature of MPLS-TE: MPLS-TE "make-before-break" concept RSVP-TE re-route & bandwidth increase procedure Connection modification using CR-LDP (dedicated I-D) Important mechanism for SDH/Sonet networks: To provide bandwidth according to the client device needs To increase/decrease links according to the traffic