# Migration phases
<a name="phases"></a>

Migrating SSIS ETL processes to the AWS Cloud consists of four major phases: discover, analyze, determine approach, and implement. 

![Four phases of migrating SSIS ETL processes to AWS](http://docs.aws.amazon.com/prescriptive-guidance/latest/migration-ssis-etl/images/ssis-migration-phases.png)


 These phases are discussed in the following sections:
+ [Discovery phase](discover.md)
+ [Analysis phase](analyze.md)
+ [Determining the migration approach](approach.md)
+ [Implementation phase](implement.md)