Marija Dacevska thinks this is interesting: But the current industry experience is that legacy network restrictions may force approximately 15 percent, and possibly even up to 40 percent of users to require a media relay server. From Overall application architecture from Getting Started with WebRTC by Rob Manson Publisher: Packt Publishing Released: September 2013 Note TURN server Share this highlight http://www.safaribooksonline.com/a/getting-started-with/48641/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in. Minimise Unlock the rest of Getting Started with WebRTC and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.