NAB groups three-tier apps to automatically move them into Azure – iTnews

NAB has identified groups of mainstream, three-tier applications that it intends to automatically move to Microsoft’s Azure cloud under a five-year deal unveiled earlier today.
Executive of enterprise technology Steve Day told iTnews the bank had spent the past six months using a “really detailed set of discovery tools” to map out “what application flows we have going from where to where, which has allowed us to group the applications and look at moving applications as groups.”
The need to move applications in groups is the result of tight coupling between parts of NAB’s app stack.
That means NAB’s approach to cloud migration work to date, which has largely involved rearchitecting and replatforming one application at a time, albeit at pace – is not fit-for-purpose.
“We’ll move apps across as groups, rather than as individual apps, and that’s important because of the level of integration we have in the apps at the moment,” Day told iTnews.
“They’re very tightly integrated and therefore to try and move them one at a time … is just too complex for us to do at this particular stage.”
The bank plans to move 1000 apps to Azure in 1000 days; 700 of those apps are NAB’s, and 300 are Bank of New Zealand’s (BNZ).
They are also all “mainstream” and “typically three-tier” – or web-based – applications, Day said.
These are applications NAB needed to move to cloud for reasons such as extra resiliency and to lower operating costs.
“This is

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