Managing Transfer for on-premises jobs | Cloud Storage Transfer Service Documentation | Google Cloud
Before you can start a transfer, you must create a transfer job and have a one or more agents installed and connected to the transfer job. This document describes how to create your transfer job, install transfer agents, and how to manage your transfer jobs. To use Transfer for on-premises, you need: A POSIX-compliant source.
https://cloud.google.com/storage-transfer/docs/managing-on-prem-jobs#control-bandwidth