Silvia Hagen has been in the networking industry since 1990, and became a CNE and CNI in 1992. She began her career as a successful instructor, and has trained hundreds of system engineers. Today she is CEO of Sunny Connection AG in Switzerland and works as a senior consultant and analyst for many mid-size and large sized companies. Her expertise is in Directory Services and Protocol Analysis. She is the author of the successful book 'Novell's Guide to Troubleshooting TCP/IP', published by Novell Press and 'SLP - Guide to Service Location Protocol', published by Podbooks. She also presents internationally on various networking topics for Universities, Novell's Brainshare, NetWare Users… International Conferences and also offers customized corporate presentations. For more details and contact information visit her website at http://www.sunny.ch .