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Sun Services CTO talks up Next Generation Data Center (InfoWorld) InfoWorld - 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 Sun #8217;s  #8220;Next Generation Data Center #8221; concept and to talk about subjects such as security, utility computing, and how the company stacks up its services efforts against IBM Global Services. 