Amazon ElastiCache is a fully managed, in-memory data store and cache in the cloud. It can provide sub-millisecond latency to power real-time applications.
AWS Database Migration Service (DMS) helps you migrate databases to AWS easily and securely. The source database remains fully operational during the migration, minimizing downtime to applications. DMS can migrate your data to and from most widely used commercial and open-source databases.
Database Migration Service (DMS) support following use case types:
Amazon Relational Database Service (Amazon RDS) is a managed relational database service with a choice of six popular database engines, namely, Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle, and Microsoft SQL Server. Amazon RDS is available on several database instance types - optimized for memory, performance or I/O.