[andyidsinga]

Apparently CloudStack "lost" to OpenStack ( see: http://www.infoworld.com/article/2608995/openstack/cloudstac... ). I've also heard this sentiment in my admittedly openstack biased circles.

That said, I'm not suggesting it should not be considered.

[nl]

It lost out in getting vendor support from lots of different big vendors. OTOH, many hosting environments find it more useful. (It used to be a Citrix product which might explain the more unified architecture it has).