IBM Virtualizes I/O in BladeCenter Servers
December 3, 2007 Timothy Prickett Morgan
The problem with most physical objects, like the gear in a data center, is that it is not malleable. Over time, successive pieces of this infrastructure has been virtualized to make it easier and faster to reconfigure it for different uses, starting with main memory four decades ago and culminating in the wholesale virtualization of entire server stacks over the last decade using virtual machine hypervisors. The problem is, even in a virtualized server environment, those pesky links to networks and storage in the outside world remain physical. Which is why Hewlett-Packard announced a virtual switch and storage area networking |