AWS DataSync is an online data transfer service that simplifies, automates, and accelerates copying large amounts of data between on-premises storage systems and AWS Storage services and between AWS Storage services. For example, DataSync can copy data between Network File System (NFS), Server Message Block (SMB) file servers, self-managed object storage, S3 buckets, EFS file systems, and Amazon FSx. Above diagram depicts the typical architecture of AWS Datasync services. How it works: 1) Data Sync Service: Service in the AWS cloud, which manages and tracks data sync tasks, schedules 2) Data Sync Agent: A Virtual Appliance with computing power to run scheduled copy, uploading capability and maintain metadata (for full and incremental data transfer ) deployed at on-premise or cloud. Advantages: a) Cost-effective solution for Data Sync task ( service charged for per GB transfer in only) b) Best suited for aggressive deployment with zero-touch existing i...