# Stage 1: Planning your large data migration
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Planning is essential when migrating a large dataset. You must understand the data you're migrating, your motivations for the migration, and how Amazon DataSync can help you get your data where you want it.

**Topics**
+ [Gathering requirements for your migration](gathering-migration-requirements.md)
+ [Running a DataSync proof of concept](datasync-large-migration-poc.md)
+ [Estimating migration timelines](datasync-large-migration-timelines.md)