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Posted by Nick Thissen
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The ATVO Data Tunnel is a new application that enables you to run ATVO and iRacing on separate computers. The Data Tunnel transfers the iRacing data over your local network in an efficient way such that ATVO can receive and run your overlays on a separate PC in real-time with no delays. Using the Data Tunnel allows for a large increase in overlay performance in case your PC is not powerful enough to run both iRacing and ATVO with complex themes.
The Data Tunnel is especially useful in combination with NDI, since you can now completely separate your iRacing and ATVO overlay recordings, and merge them back together via NDI.
Data Tunnel is intended for more professional broadcasting setups working with multiple camera views and separate streaming of iRacing and the overlay graphics. If you broadcast both iRacing and ATVO overlays at the same time, then Data Tunnel may not be useful for you.
Starting Data Tunnel ATVO Data Tunnel is a separate application, but it can be started via ATVO from the Remote - Data Tunnel menu. You can also find it in your ATVO install directory under 'DataTunnel' and create a shortcut to the "ATVO.Data.Tunnel.exe" file.
Data Tunnel setup A typical setup for using Data Tunnel is to have two PCs connected over a local network (LAN). One PC ("PC1") will run iRacing, while the other PC ("PC2") will run ATVO.
PC1: "Server" or iRacing PC:
PC1: run iRacing and start the ATVO Data Tunnel.
PC1: go to the Server tab, enter a desired port number and click Start Server. The server can only be started once connection to iRacing is established.
PC2: "Client" or ATVO PC:
Start ATVO and enable Data Tunnel by going to the Settings - General Settings and change Data Source to "Data Tunnel".
Restart ATVO to ensure the change is applied. ATVO should obtain an orange border and say it is waiting for Data Tunnel connection.
Start Data Tunnel via the Remote - Data Tunnel menu.
Go to the Client tab and enter the local IP address of your server PC1. Also enter the same port number you supplied on the server PC.
Click Connect to start the connection.
If successful, ATVO should now be receiving iRacing data via the Data Tunnel, even though no iRacing is running on the ATVO computer.
Two-sided connection ATVO Data Tunnel will also send back commands from ATVO to iRacing, for example when you switch drivers or cameras or use the replay controls. This way your workflow is exactly the same as with a direct iRacing data connection.
Make sure your use LAN connection While it is possible to connect via public IP, the amount of data will likely be too large for real-time data streaming and you will suffer from large delays. Ensure you use a LAN and local IP to connect for a smooth experience.