Total spending on Cloud IT infrastructure (server, storage, and Ethernet switch, excluding double counting between server and storage) will grow by 24.1 per cent and will reach $US32.6 billion in 2015.
Recent IDC findings claims that this amount will account for a third of the overall end user spending on enterprise IT infrastructure, up from 27.9 per cent in 2014.
In comparison, spending on IT infrastructure deployed in traditional, non-cloud, environments will decline by -1.6 per cent in 2015, although at $US66.8 billion will remain the largest segment of the market.
Spending on private Cloud IT infrastructure in 2015 will grow by 15.8 per cent year over year to $12.1 billion, while spending on public Cloud IT infrastructure will increase by 29.6 per cent to US$20.5 billion.
IDC expects that spending on Cloud IT infrastructure in 2015 will grow across all regions except Central and Eastern Europe, which is disturbed by political and economic turmoil that is having a negative impact on IT spending.
For all three technologies - server, storage and Ethernet switch - growth in spending will exceed 20 per cent, with spending on servers growing at the highest rate, 25.5 per cent.
"Numerous IDC surveys indicate growing interest among enterprise customers to cloud deployments across multiple IT domains,” says Natalya Yezhkova, Research Director, Storage Systems, IDC.
“End users often cite the agility of IT infrastructure and economic reasons as drivers for Cloud adoption, but we also expect that the proliferation of next generation applications born and run in the Cloud will fuel its further growth.”
For the five-year forecast period, IDC expects that cloud IT infrastructure spending will grow at a compound annual growth rate (CAGR) of 15.1 per cent and will reach $US53.1 billion by 2019 accounting for 46 per cent of the total spending on enterprise IT infrastructure.
At the same time, spending on non-cloud IT infrastructure will decline at -1.7 per cent CAGR. Spending on public Cloud IT infrastructure will grow at a higher rate than spending on private cloud IT infrastructure - at 16.3 per cent vs 13.2 per cent CAGR.
In 2019, IDC expects service providers will spend $UD33.6 billion on IT infrastructure for delivering public Cloud services, while spending on private Cloud IT infrastructure will reach $UD19.4 billion.
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