Sluggish technical innovation on data center construction

While analysts expect the global Data Center Construction market to reach approx. US$ 73 billion by 2022; Research and Markets predicts that, the market will witness a decline in revenue afterwards. 

According to the firm, this decline in revenue is because of significant decline in Tier 1 and Tier 2 data center construction in the forthcoming years. 

I can also observe that, in addition to it, other factors such as major construction of mega data centers for future to be done in 2016-2019, sluggish technical innovation on data center construction after 2020 can be help in the revenue decline.