Grazed from VMblog.com. Author: Megan McMichael and Wayne Pauley
IT organizations know what a challenge managing a distributed data center can be. Many an IT Director has spent sleepless nights figuring out how to maintain – or fix – data-center infrastructure deployed at regional offices. While they serve a purpose for companies with specific needs, such as those with branch offices far from headquarters or manufacturing facilities spread across the globe, distributed data centers are notorious for being a drain on resources. They can be siloed systems running well below capacity, and they usually require expensive, on-site data-center support, often requiring IT admins to jet around the globe in direct, hands-on-support roles.
But times are changing. The old model of hardware-focused data centers operating as silos in various geographies has given way to a new technology: hyper-converged infrastructure (HCI). While HCI’s predecessor – converged infrastructure – combines compute, networking and storage capabilities on a single chassis in the data center, HCI goes a step further by integrating all of those functions in a software-defined environment. HCI involves running all of the functions of a datacenter as software on the hypervisor rather than on dedicated physical equipment. HCI is packaged in a compact, factory-integrated appliance, enabling data centers to scale by running compute, networking and storage in virtual building blocks and stacking those blocks to create a flexible infrastructure.