>> with the advent of vlan tags, the whole idea of CSMA for IXP networks >> is passe. just put each pair of peers into their own private tagged >> vlan and let one of them allocate a V4 /30 and a V6 /64 for it. as a >> bonus, this prevents third party BGP (which nobody really liked which >> sometimes got turned on by mistake) and prevents transit dumping >> and/or "pointing default at" someone. the IXP no longer needs any >> address space, they're just a VPN provider. shared-switch >> connections are just virtual crossconnects. > Large IXP have >300 customers. You would need up to 45k vlan tags, > wouldn't you?
now arnold, you're spoiling a great idea. researchers could measure the exchnge to see if it ever fully converged (to steal a routing term). nice paper there, and who cares about working connectivity. </sarcasm> randy