%% You should probably cite draft-ietf-mpls-rsvp-te-hsmp-lsp instead of this I-D. @techreport{jjb-mpls-rsvp-te-hsmp-lsp-02, number = {draft-jjb-mpls-rsvp-te-hsmp-lsp-02}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-jjb-mpls-rsvp-te-hsmp-lsp/02/}, author = {Lizhong Jin and Frederic JOUNAY and Manav Bhatia}, title = {{Extensions to Resource Reservation Protocol - Traffic Engineering (RSVP-TE) for Hub and Spoke Multipoint Label Switched Paths (LSPs)}}, pagetotal = 15, year = 2013, month = jan, day = 11, abstract = {In Multiprotocol Label Switching (MPLS) and Generalized MPLS (GMPLS) environment, the RSVP-TE based Point-to-Multipoint (P2MP) LSP allows traffic to transmit from root to leaf node, but there is no co-routed reverse path for traffic from leaf to root node. This draft introduces a Hub and Spoke Multipoint (HSMP) LSP, which allows traffic from both the root to the leaves through a P2MP LSP and also the leaves to the root along a co-routed reverse path.}, }