[NANOG] Re: [NANOG]Request to Reinstate Feeless BGP Sessions with Enhanced Security Measures

3. A global layer2 "IX" already exists for relatively low cost, Cogent has a "Global Peer Exchange" product where you only pay for traffic you do on your port.

i kinda wonder how this use of vlans scales under the covers. ... Right now the participation is low and the traffic levels are very manageable. With QinQ, I think this could scale logically to thousands of participants per city hub. Great problem to have if that occurs. Deepak