Service-oriented architecture has been a major buzzword throughout the U.S. Defense Department for several years, yet implementation has been slow and troubled. Private industry giants such as Amazon. com have been employing it, and the government is striving to take advantage of the concept to improve network centricity and information sharing. A recent study sponsored by a group of companies surveyed knowledge and use of the architecture within the federal government. The study identified several barriers to integration, including that less than half of federal information technology specialists are familiar with it.