Challenges in building a real, large private cloud

Virtualization and internal cloud are often touted as the solution to many challenging problems, from resource underutilization to data-center optimization and carbon emission reduction. However, the hidden costs of cloud-scale virtualization, largely stemming from the complex and difficult system administration challenges it poses, are often overlooked. Reaping the fruits of internal Infrastructure as a Service cloud requires the enterprise to navigate scalability limitations, revamp traditional operational practices, manage performance, and achieve unprecedented cross-silo collaboration.