Network World: Q&A: Why Union Bank Scrapped AIX for Red Hat

"Give me some background on your move to Linux and open source.

"We were faced with having to do an upgrade of our Web infrastructure last year, which gave us an opportunity to really look at our architectural direction. We decided to head in the direction of horizontal scaling using commodity hardware and open source tools. There are multiple drivers behind this thing. Cost is clearly one of them. First and foremost always is the reliability and performance. The second thing is we wanted to be able to scale much easier than we do today. Since we run on big boxes, at some point to scale you have to buy another big box. Instead of that, we wanted to be able to rapidly manage capacity by adding or subtracting commodity hardware..."

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