By 

Nutanix, which combines server, storage, and virtualization into a single “converged” piece of data center gear, said it is in the process of buying PernixData and has completed an acquisition ofCalm.io.

In traditional data centers, each of those functions required separate pieces of hardware, typically from different vendors. In recent years, however, a flock of companies have come up with data center appliances that combine all that functionality (mostly) for medium-sized companies that like the idea of less hardware and fewer management headaches.

Read more.

Source: Fortune