J.L. Le Roux is a senior architect in MPLS networks at France Telecom R&D. He is working on short term MPLS engineering activities and on longer term research and developpment projects with a particular focus on Traffic Engineering. He is actively contributing to the IETF, where he has been editing and co-authoring several Internet Drafts and RFCs in the areas of MPLS Traffic Engineering and GMPLS. His current interests are QoS routing, fast rerouting, intra and inter domain MPLS traffic engineering (including PCE), point-to-multipoint MPLS and GMPLS Multi Region Networks. Before joining France Telecom R&D he worked as system engineer with Elca.