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New IXPs in a Post IPv4 World
______________________________Andy Davidson [email protected] Electric / LONAP RIPE62, Amsterdam, 4th May 2011
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IPv4 …. YAWN!
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Process
• Get some numbers!– IPv6 PI For Exchange Points– IPv4 PI
• IPv4 PI will go away very soon indeed!
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Do v4 prefix exchange over v6 transport?
• You still need an IPv4 next-hop• Process separation is desirable• Assumption that next-hop can deliver 4 *and*
6 is possibly flawed• Troubleshooting?
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RFC 1918 IPv4
• URPF• Duplication• Reverse DNS• ICMP failure• Troubleshooting ?
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Just do v6 peering at new exchanges?
• Makes new exchange unattractive or unviable• Exchange is a neutral catalyst for good of
internet including v6 deployment
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Just don’t make any new exchanges
• Unappealing• The bits of the world without exchanges will
benefit enormously from an exchange
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Save some IPv4 for IXPs?
• Hold an additional /16 from the last /8 for IXPs• We define IXPs in ripe document already
• … Discuss ?• To be taken to APWG on Thursday if support.