David Bunker is an IT Architect and national pre-sales technical resource with Sun Microsystems Global Sales Organisation. He is also a Security Technologies Ambassador for Australasia. 2003 marks David's 18th year in the ICT Industry and his fifth year with Sun. His areas of technical specialty include Systems Architecture, Data Centre Methodologies, Messaging, Directory and Security technologies. David has been engaged for architecture and security consultancy projects by many high profile organisations including Boeing, Telstra, OzEmail, AAPT, Ericsson in Australia and Hong Kong, QANTAS, Shanghai Online, as well as numerous other Government and Educational bodies.