Hi Joachim,
Thank you for posting your query. According to your description, here are some links you may refer to.
Architecting for FSLogix Containers High Availability
https://jkindon.com/2019/08/26/architecting-for-fslogix-containers-high-availability/
Disaster recovery and high availability of your profiles made easy with FSLogix Cloud Cache
https://www.jgspiers.com/disaster-recovery-ha-made-easy-with-fslogix-cloud-cache/
How to limit Work Folders client bandwidth
https://techcommunity.microsoft.com/t5/storage-at-microsoft/how-to-limit-work-folders-client-bandwidth/ba-p/425600
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