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Trailing Loose Segment Optimization The egress node advertises the IP TE prefix in IGP The nodes between the egress and the last node on the ERO list should know how to forward the IP TE tunnel traffic without installing the IP TE host route by RSVP The last node on ERO list could have send Path message directly to the egress node, without the Router Alert IP option. The nodes in the middle do not need to keep the RSVP state for the RSP |