LDP Downstream-on-Demand in Seamless MPLS. - Thomas Beckhaus; Bruno Decraene; Kishore Tiruveedhula; Maciek Konstantynowicz; Luca Martini (RFC, 2013)

LDP Extensions to Support Maximally Redundant Trees. - Alia Atlas; Kishore Tiruveedhula; Chris Bowers; Jeff Tantsura; IJsbrand Wijnands (RFC, 2018)