Endnotes
The term "blades" refers to a smaller circuit inserted into a larger machine footprint, with many other blades, where each blade is performing, as it's own distinct computer. This notion is commonly referred to as "blade computing."
A petabyte is a term that indicates a unit of computer memory or data storage capacity equal to 1,024 terabytes (or 250 bytes): one quadrillion bytes.
Please refer to the book Business On Demand: Technology and Strategy Perspectives (Fellenstein, 2004) for further details and precision on important technologies, Grid Computing, and key strategy perspectives.
XML (Extensible Markup Language) is a meta-language written in SGML (Standardized Markup Language) that allows one to design a markup language used to allow for the easy interchange of documents and data across the World Wide Web.