The worldwide cloud services market shows no sign of slowing down, with IT research firm Gartner forecasting public cloud services to grow 19.6 percent in 2012 to total $109 billion, led by strong gains in the business process services (also known as business process as a service, or BPaaS), which represent 77 percent of the market and is forecast to grow to $84.2 billion in 2012, up from $72 billion in 2011. Another major contributor to cloud growth is infrastructure as a service (IaaS), which the Gartner report predicted would grow 45.4 percent in 2012.
Cloud advertising, which Gartner classifies as a subset of BPaaS, will continue to account for about 47 percent of total public cloud services spending, according to the report, while the software as a service (SaaS) market is expected to grow to $14.4 billion in 2012. The IaaS market, which was less than one-third the size of the SaaS market two years ago, is expected to almost equal the SaaS market in 2016. The cloud management and security services segment is forecast to grow to $3.3 billion in 2012, while growth in application infrastructure services (also known as platform as a service, or PaaS) is also forecast to be strong, reaching $1.2 billion in 2012.
“The total public cloud services market size in 2011 was $91.4 billion, and
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