Well disk space is even cheaper but people still care about SPAM. But I might be wrong too.

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All this will become a real issue once the number of prefixes being announced becomes a problem for BGP convergence, or storage space on the routers runs out...

Well, what strikes me is that aggregation keeps popping up at NANOG, RIPE, IETF etc and everyone (more or less) agrees we needs to fix this. Still...

I agree we need a bigger carrot (and there is no bigger carrot than money) to achieve this. The question is just how and what? But it's not the registries' job. Maybe we could define Tier-0 ISP:s as upstreams with a aggregation conscious?

I doubt that more mailinglists and reports will help. And more meetings with concensus will not add much. Having things automated (a script mailing the corresponding AS) might be one idea, but I agree that more mails will not do it alone.

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:-) Kurtis is right. The engineering of the Internet has traditionally operated on a 'just in time' basis (i.e only when its really needed). With the environment being totally commercial now there is even more incentive to operate in this manner. Only if and when any related outages start to cause 'major' concerns will the operators sit up and take notice. That is not at the moment and no amount of subtle teaching will (in the long term) take effect. Daniel and ripe have noted this before where figures get better soon after a major drive; but unless this is continual (and who pays??) the results wear off and the trends continue. With my company hat on, it is a nightmare to control all of the acquired networks totally aligning them. Yes it is being worked on but is very time consuming. With all efforts targetted at revenue collection and growth where are the resources to do the right thing? There are no east answers, if there was they would have been implemented by now. Apologies that this mail doesn't add much value other than to cast doom. Tony Barber