Sprint did an interesting presentation at San Francisco, they have successfully taken p2p addresses out of their IGP and BGP, and are using private addresses for loopbacks and other things that dont need to be in public space and are filtering as much as possible.
indeed, and could someone please fix www.nanog.org? :) URL in Question -> http://www.nanog.org/mtg-0405/pdf/mcdowell.pdf Linked From -> http://www.nanog.org/mtg-0405/mcdowell.html Result: Not Found The requested URL /mtg-0405/pdf/mcdowell.pdf was not found on this server. Apache/1.3.26 Server at www.nanog.org Port 80 -j -- James Jun TowardEX Technologies, Inc. Technical Lead Network Design, Consulting, IT Outsourcing james@towardex.com Boston-based Colocation & Bandwidth Services cell: 1(978)-394-2867 web: http://www.towardex.com , noc: www.twdx.net