We deploy our packages to our customer environments.
For example 1.5GB of packages to 500 targets over the internet. As the internet connections can be slow and to make sure that the deployments all take place at the same (scheduled) time I suggest that the "acquiring packages" step optionally starts as soon as a deployment is scheduled and verified again at the scheduled execution time. Should the deployment package(s) be missing or corrupt at the scheduled execution time there could also be an option "re-aquire at execution"/"fail if missing".