This technology already existed and was a subject of a research paper in 2011 link below.
Research paper -- http://arxiv.org/ftp/arxiv/papers/1105/1105.0149.pdf
Referencing a product that did this from 2010 --http://assets1.csc.com/cloud/downloads/PAAS_Solution_Brochure_V5.pdf
In the late 90s, early 2000s, there were several proprietary implementations of trading/finance systems that would cache/sync data with servers in other locations (where the firm had offices) based on a mobile/desktop calender app. This was generally used for presentation prep and if large models/trade histories had to be moved for those presentations. ...