Problem with login to Zwift via German Telekom

Hello,

Since a few days login, uploading results or even riders in the game has poor performance:
Login does not work or takes several attempts to sign in.
Uploading results after a ride takes halve hour or more.
Riders in game are not flagged with there attributes (name, style, country…) or disappear total.

In all it looks like the ressources are out: To many riders, to little hardware.
Concurrent users are 4 times as high as weeks before.

Now the question: can we expect improvement in performance?
Or do we have to wait, that the number of users decreases again?

Regards, Klaus