Supernova 2009: John Curran (ARIN) - IPv4 Depletion, IPv6 Adoption
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Transcript of Supernova 2009: John Curran (ARIN) - IPv4 Depletion, IPv6 Adoption
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IPv4 Depletion
IPv6 Adoption30 September
2009
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About IPv4 and IPv6Internet Protocol version 4 (IPv4)
Internet Protocol version 6 (IPv6)
Deployed 1981 1999
Address Size 32-bit number 128-bit number
Address Format Dotted Decimal Notation: 192.149.252.76
Hexadecimal Notation: 3FFE:F200:0234:AB00:0123:4567:8901:ABCD
Prefix Notation 192.149.0.0/24 3FFE:F200:0234::/48
Number of Addresses
232 = 4,294,967,296 2128 = 340,282,366,920,938,463,463,374,607,431,768,211,456
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Available IPv4 /8s from IANA*
*as of September 2009
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What We Know
• RIRs are consistently allocating over 12 /8s each year worldwide
• There are 26 /8s remaining at the IANA as of 30 September 2009
• Demand for IPv4 continues
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/8s Allocated by IANA to RIRs
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Remaining IPv4 /8s from IANA
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What Will Happen(in no particular order)
• IPv4 demand continues
• IPv4 free pool depletes
• IPv4 NAT use increases
• IPv6 deployment
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The Bottom Line
• We’re running out of IPv4 address space
• IPv6 must be adopted for continued Internet growth
• IPv6 is not backwards compatible with IPv4
• We must maintain IPv4 and IPv6 simultaneously for many years
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RIRs have been allocatingIPv6 address space since 1999
Thousands of organizations haveobtained an IPv6 allocation to date
ARIN has IPv6 distribution policies for bothservice providers and end-user
organizations
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Situation
Today, the Internet is predominantly based on IPv4
The Internet must run two IP versions at the same time (IPv4 & IPv6) - this is the “dual-stack” approach
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Situation
Today, there are organizations attempting to reach your mail and web servers via IPv6.
In the near future there will be many more deployments using IPv6.
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SituationWhat requires contiguous number resources?• Building out major new networks• ISPs adding new customers
What does this mean for:• Enterprise Customers?• Internet Service Providers?• Equipment Vendors?• Content and Hosting Firms?
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Call to Action Enterprise Customers
Mail and web servers need to be reachable via IPv6 in addition to IPv4 in the future
Open a dialogue with your Internet Service Provider about future IPv6 services
Each organization’s decision regarding timeline & investment level will vary
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Call to ActionInternet Service Providers
Begin planning to connect customers via both IPv4 and IPv6 now
Communicate with your peers and vendors about IPv6
IPv6 considerations when making purchases
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Call to ActionEquipment Vendors
Probably limited demand for IPv6 in the past
Demand for IPv6 support will become mandatory very, very quickly
Introduce IPv6 support into your product cycle as soon as possible
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Call to ActionContent Providers
Content clients must be reachable to newer Internet customers
Begin planning to connect hosting customers via both IPv4 and IPv6 now
Encourage customers to use IPv6 and test their applications over it as soon as possible
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Government ActionsAwareness
Coordinate with industry
Adopt incentives• Regulatory• Economic
Support and promote activities
Officially adopt IPv6
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IPv6 Adoption Needs
IPv6 address space
IPv6 connectivity (native or tunneled)
Operating systems, software, and network management tool upgrades
Router, firewall, and other hardware upgrades
IT staff and customer service training
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ARIN IPv6 Wiki
Facilitate discussion and information sharing on IPv6
Includes real-world experience about adopting IPv6
www.getipv6.info
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Board ResolutionEncourages IPv6 adoption
Orders more scrutiny of IPv4 resource requests
Requests Advisory Council to consider policy changes
https://www.arin.net/knowledge/about_resources/v6/v6-resolution.html
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ARIN Letter to CEOs• Raises awareness of IPv4 depletion
• Encourages active adoption of IPv6
• As of 18 May 2009, ARIN requires that all applications for IPv4 address space include an attestation of accuracy from an officer of the organization
https://www.arin.net/announcements/2009/20090420.html
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Learn More and Get InvolvedLearn more about IPv6www.arin.netwww.getipv6.info
Get Involved in ARINPublic Policy Mailing ListAttend a Meeting
http://www.arin.net/participate/
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Thank You
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