Thanks are due to companies and agencies providing support to my research:

• Ayoka Systems LLC
• Boston Consulting Group
• Eagle Enterprise Security Provider
• EDS
• Electronic Telecommunications Research Institute of Korea
• ElectroCom Automation
• Entact Internet Security Corporation
• Ericsson
• Fujitsu America
• HP
• IBM Productivity Technology Center
• IBM Toronto Lab
• L3 Communications
• Lockheed Martin
• New York Air Brake - Train Dynamic Systems
• NSF
• Reliance Technology, Inc.
• Siemens
• Sun Microsystems, Inc.
• Technology People
• Texas Advanced Research Program
• Texas Advanced Technology Program
• Texas Technology Development and Transfer
• Texas Technological Workforce Development
• US West
• and more ...