BACKGROUND IMAGE: iSTOCK/GETTY IMAGES E-Handbook: Cloud and DevOps practices help make app development a breeze Article 3 of 4 Evaluate Weigh the pros and cons of technologies, products and projects you are considering. Aiming for portable cloud? Containers might be the answer If portability is your goal in the cloud, there are options including virtual machines and containers. But which is the best? Expert Tom Nolle spells out the differences.