It’s not easy to decide which applications to outsource to the cloud. Organizations need to approach this at two levels. First, which applications are “generic” and don’t require a great deal of sophisticated customization? Second, what are the public facing requirements? Are they accessed only by a few people or by a large number of actors?
http://diversity.net.nz/which-apps-to-move-to-the-cloud-2/2013/01/09/

