Most of our customers want tiered solutions, and thin servers are good for those. Yoo's tiered architecture starts with a larger general-purpose server, then necessary functions are offloaded to thin servers. He hesitated to deploy all thin servers to keep the overall management simpler. He points out that it's easier to manage one box than 50. He also says a lot of his customers are growing out of thin servers.
Thin servers provide a disposable computing platform that is good for ASPs.
So stack 'em high. Lisa Morgan is an InternetWeek contributing editor.