[LeMauce]

You can use Wormhole2 (no support anymore) if you search good on the internet. Its a plugin that you insert in a track a last in pluginchain in your Cubase track that you want to send to your Protools. In Protools you insert the reciever plugin from Wormhole. Assign it to recieve it from your Cubase pc. And voila... the sound from cubase will be routed thrue internet to your protools. BUT there will latency depending the quality / bitrate your chosing.