"In converged infrastructure, like a V-Block, you have network, management, storage, compute, security and virtualisation all in one converged box. So who looks after that box first? How do you troubleshoot issues that live on a converged infrastructure?" he asks.

"Classic IT silos between systems, networks, applications, databases have to be torn down and you have to create a layer that transcends all that. Does this mean creating new roles? Probably, but it is more about the competencies." As ESG also notes, the ease of acquiring cloud infrastructure services can make end-users feel that resources are unlimited. Without implementing chargeback mechanisms, it can be difficult to slow the acquisition process. At the same time, while chargeback can make departments more responsible, it may not be worthwhile to implement the additional tracking and accounting process.

"The conversation is moving from IT capabilities to service delivery, so there is a change in jargon, approach, roles, nomenclature. There is a fairly substantial transformation for IT," Mirchandani says. "I am trying to create a service catalogue of capabilities -- both on the business and the technology side."