In chapters drawn from Zurawski's popular works, The Industrial Communication Technology Handbook and The Industrial Information Technology Handbook, this practical guide gives a detailed overview of the roles and uses of software and IT in the integration and communication networking of industrial automation systems. It authoritatively covers e-technologies, software technologies, and network-based technologies for enterprise integration, agent-based technologies for industrial automation, and IT security in automation systems. The book offers expert insight into the technologies, solutions, and emerging trends in each area. It also includes recent technologies, solutions, and standards available for the first time.