[Solved] What basics would you recommend for learning multiplayer development?

[BenniKo]

There already sever threads about this topic

Best Network Service to Use for a 3D multiplayer game for 10-15 Players.

I am starting a project for a 3D multiplayer game for 10-15 players. I was wondering what would be the best Network service to use. I do not have sufficient funds to invest into the project so the service must be free. I am looking into Mirror, Photon, MLAPI, DOTS. I would prefer there to be detailed Tutorials available for the use of the server I select. My research suggested that MLAPI uses UNET for the transport layer and since UNET is in the sunset portion of its existence I was discour…