IPv6 GlueWhy registrars need to support it

Elise GerichVP, IANA

State the problemIPv4 will be fully allocated

very soon

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Things change next quarter• Over 320m IPv4

addresses have been allocated so far in 2010. • There are only

115m addresses remaining.• They will have

been allocated by mid-2011

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State of the IPv4 PoolAbout 4% of total IPv4 space is left in the pool. That is approximately 180m addresses.

Photo by Silverstealth

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Why should I care?IPv4 only has enough addresses for half the world’s population of 7 billion

For the Internet to continue to grow it will need IPv6

If registrars don’t support IPv6 glue, their customers won’t be reachable by the entrants

What is DNS glue?Important for networks that

run their own DNS

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What is glue? Why is it needed?DNS glue is a normal part of DNS. All registrars currently support IPv4 glue registration

Adding IPv6 glue support is a simple change to your web interface and registration database

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What is glue? Why is it needed?I can ask the TLD’s nameservers where the web site I want to visit is

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What is glue? Why is it needed?Without glue it tells me to ask ns.example.org but I don’t know where that is and so…

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What is glue? Why is it needed?…I have to ask where ns.example.org is and we are in a recursive loop as there is no glue.

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What is glue? Why is it needed?But when glue is registered and provided in the answer I can go and ask ns.example.org about www.example.org and…

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What is glue? Why is it needed?…my Internet experience works how it should. I get the DNS answer I need and can visit the web site I want.

Let’s recapI need to get this sorted by

the start of Q2 2011 because…

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IPv6 glue or customers will go!

• The last five IPv4 blocks will be allocated by mid-2011

• Internet growth will need IPv6

• Domain registrants will to sell to people using IPv6

• So they will demand IPv6 glue

• They’ll transfer if you don’t offer it

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Photo by Revisorweb

Thank You

Questions

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