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Using ARM to Deploy Global Solutions

Imagine deploying your secure load balanced solution to three datacenters, putting in place a worldwide load balancer and doing so in roughly 24 minutes. Did I mention that this deployment is predictable and repeatable?

Good, now that I’ve got your attention, it’s time to dive in!

Building on my previous post about managing compute resources on Azure I decided to modify the Azure Resource Manager(ARM) template to deploy a real-world environment to three datacenters (Yes I know, the diagrams shows two locations, but as I built the demo, I got greedy…). Using Azure Traffic Manager we are able positively affect a users experience by directing them to the closest datacenter.

Its important to note that ARM does not support nested copy operation. This means that we have to use a different strategy to deploy identical environments in multiple Azure regions. After a bit of research it became apparent that I had to use nested deployments. This technique requires us to break our template into multiple files. The parent template in this demo is the azuredeploy-multi-geo.json file. It contains the full list of parameters, a nested deployment that deploys instances of our environment to multiple Azure regions, and a Traffic Manager definition. The azuredeploy.json template file was refactored from the template used in my previous blog post. It contains networking, storage and Virtual Machine definitions. Continue Reading…