The main focus of Duane Nickull's (http: //www.nickull.net/) professional career has been working for both the United Nations CEFACT committee and OASIS for the purposes of writing and building new architectures for global integration of multiple systems. He also works as a senior technical evangelist for Adobe Systems, Inc. Since 1996, he has worked on multiple enterprise architectures including many service oriented architectures (SOA) within various standards bodies including W3C, UN/CEFACT, OASIS and others. He has also contributed to many SOA papers and articles on service oriented archit...