Irvine-based Zumasys Inc. took a gamble six years ago developing a cloud-computing platform for small to medium-sized businesses. It was a turn from the company’s traditional IT services model built on consulting and required Zumasys to take data-center space for its servers at Savvis Inc.’s 100,000-square-foot building near John Wayne Airport. The first few years were tough, according to President Paul Giobbi, but business started to improve amid the economic recovery. Read the article