text: Sun Services CTO talks up Next Generation Data Center Hal Stern holds the titles at Sun Microsystems of vice president, Distinguished Engineer, and CTO for Sun Services. He also has co-authored technical books on networking and high-availability techniques and, prior to joining Sun, developed molecular modeling software. InfoWorld Editor at Large Paul Krill met with Stern to discuss Suns Next Generation Data Center concept and to talk about subjects such as security, utility computing, and how the company stacks up its services efforts against IBM Global Services.