IBM and Cray still have top two systems
Online service backs up data and applications
Private cloud software aggregates hardware and hypervisors, regardless of vendor
Carnegie Mellon’s YinzCam brings Penguins fans all the video angles
Decision gives NetApp leg up in bidding war against rival EMC
Analysts say mix of public and private cloud services should appeal to enterprises
Virtualization, service automation, self-service the key to building private clouds
One in four enterprises using or planning to use hosted virtual servers
