David RoyDavid Roy is a network support engineer for Orange, one of the main Service Providers in Europe. For the last 10 years he's collaborated on many projects based on IP and MPLS technologies. He is also a focus technical support engineer for Orange. Befre that, he was part of a Research and Development team focused on Digital Video Broadcasting and IP over Satellite technologies. He loves troubleshooting complex routing and switching issues and he has spent much time in labs reverse engineering different routing platforms including the Juniper MX series. He wrote the DayOne book: "This Week: An Expert Packet Walkthrough on the MX Series 3D". David is triple JNCIE SP #703, ENT #305 and SEC #144. When he's not working on routers, he plays drums, listens to rock and drinks microbrews. David can be found on Twitter @door7302. Read More Read Less