# Nutanix Sizer and deployment planning
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It's important to right-size the environment when migrating to NC2 on AWS. Nutanix [Collector](https://portal.nutanix.com/page/products?product=collector) provides a simple method to quickly capture production workload utilization metrics, which are then imported into the Nutanix [Sizer](https://www.nutanix.com/uk/products/sizer), which enables the most accurate planning recommendations. The Nutanix Sizer product also supports [RVTools](https://www.robware.net/) extracts, which can be used as input for making accurate decisions around planning, deploying, and managing complex workloads.