Ashok K. Iyengar (ashoki@us.ibm.com) is an executive IT specialist at IBM, based in San Diego. He has worked in the IT industry for more than 30 years. He holds an MS degree in computer science from North Dakota State University, Fargo. In his spare time, Ashok loves to write. Among his works are IBM Cloud Platform Primer, IBM WebSphere Portal Primer, and WebSphere Business Integration Primer. For the past several years, Ashok has worked on cloud-based projects, doing proofs-of-concept, pilots, architecture design, and implementations.