Nash Darukhanawalla is currently an engineering manager in the Cisco Enhanced Customer Aligned Test Services (ECATS) organization. He has written several white papers on various technologies and recently wrote the System Assurance Guide on High Availability Campus Network design - Routed Access using EIGRP or OSPF. Patrice Bellagamba has participated in the growth of MPLS since 1999. He is a recognized expert on this technology and has been leading the MPLS techtorial at Networkers Europe since its inception. Patrice focuses on service providers and enterprises because of their adoption of the IP and MPLS technologies.