According to the International Data Corporation (IDC) Worldwide Quarterly Cloud IT Infrastructure Tracker, total cloud IT infrastructure spending (server, disk storage, and ethernet switch) will grow by 21% year over year to $32 billion in 2015, accounting for approximately 33% of all IT infrastructure spending, which will be up from about 28% in 2014.
Private cloud IT infrastructure spending will grow by 16% year over year to $12 billion, while public cloud IT infrastructure spending will grow by 25% in 2015 to $21 billion.
For the full year 2014, cloud IT infrastructure spending totaled $26.4 billion, up 18.7% year over year from $22.3 billion; private cloud spending was just under $10.0 billion, up 20.7% year over year, while public cloud spending was $16.5 billion, up 17.5% year over year.
For this second quarterly release of IDC’s Cloud IT market forecast, IDC has expanded its worldwide coverage to include detail for eight regions: Asia/Pacific (excluding Japan), Canada, Central & Eastern Europe, Japan, Latin America, Middle East & Africa, USA, and Western Europe. In 2015, Western Europe is expected to have the highest growth in cloud IT infrastructure spending at 32%, followed by Latin America (23%), Japan (22%), and the US (21%).