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last change: October 10, 2020

VIX Participation

The Vienna Internet eXchange is a complementary infrastructure for optimizing regional Internet traffic flows. The redundant VIX infrastructure is provided and operated at three locations by the University of Vienna.

VIX participants may connect to VIX at one, two or all three locations. There are three connection variants available for this purpose. The most important prerequisite is a unique Autonomous System (AS) Number with already established global Internet connectivity. The only permitted routing protocol on the VIX infrastructure is BGP4.


To become a VIX participant, please read the "Terms and Conditions" below and then follow the steps to fill in the VIX Connection Agreement. By submitting the completed webform, you will receive your Connection Agreement by e-mail.

Please send the digitally signed agreement by e-mail to admin(at)vix.at (your signature must be verifiable by RTR's signature verification service). Alternatively, you can also send us the printed form with your original signature by post. In both cases we will return the digitally countersigned document by e-mail.