Waterfall
Doing DevOps? Start with the mainframe, suggests Compuware CEO Chris O'Malley
The mainframe is here to stay because it does things better than other platforms in terms of transactions, efficiency, reliability, and security, says O'Malley
'If you try to do everything agile, you will create bottlenecks,' says Shop Direct CIO
If you have too few product owners within the business, you'll run into roadblocks, says Andy Wolfe
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