Explanation
References:
Overview of Data Transfer ServiceOracle offers offline data transfer solutions that let you migrate data to Oracle Cloud Infrastructure. Moving data over the public internet is not always feasible due to high network costs, unreliable network connectivity, long transfer times, and security concerns. Our transfer solutions address these pain points, are easy to use, and provide significantly faster data upload compared to over-the-wire data transfer.https://docs.cloud.oracle.com/iaas/Content/DataTransfer/Concepts/overview.htm