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RSVP-TEResource Reservation Protocol-Traffic Engineering (MPLS)
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RSVP-TE messages are encapsulated in IP packets exchanged between signalling controllers.
Figure 2 shows an example of RSVP-TE signalling during establishment of LSP 1-4-5-6 in the data plane.
Other unique capabilities of the software include the quick entry of routing neighbors, path configurations, OSPF, IS-IS and RIP adjacencies, RSVP-TE LSPs, as well as manipulation of large route lists.
Currently, there are several reservation protocols, such as Resource Reservation Protocol--Traffic Engineering (RSVP-TE), Intermediate-node Initiated Reservation (IIR) [2], Robust Fast Optical Reservation Protocol (RFORP) [6, 7] and SRFORP [1].
MPLS-TE could serve as the brilliant solution for the future networks development strategy, which is mentioned to be QoS aware and concerning end-to-end provisioning, if the RSVP-TE were able to take into consideration possible application QoS requirements and network QoS potentialities.
It is an extension to current MPLS that enables automatic setup and turn down of the Generalized Label Switched Paths by the means of signalling protocols such as Resource Reservation Protocol--Traffic Engineering extension (RSVP-TE).