The cloud market is hot. The IAAS market sees a lot of growth and new IAAS providers seem to entering the market on a daily basis. Enterprise IT shops are exploring the usage of public cloud solutions and building their own private cloud environments.
IAAS distributions like OpenStack and CloudStack seem to have thriving communities.
Organizations that are successful in deploying IAAS solutions, either for customers or internal use, see rapid growth in demand for these services.
IAAS services still need IT equipment to run on and datacenters to be housed in. While there has been a strong focus on making the datacenter facility and IT equipment more energy efficient, not much is know about the energy efficiency of software running these IAAS services.