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Copyright © 2007 JPNIC All Rights Reserved. IPv4 Countdown Policy Proposal (LAC-2007-09) Toshiyuki Hosaka Working Group on the policy for IPv4 address exhaustion, Japan Network Information Center (JPNIC) May 23, 2007 LACNIC-X, Isla Margarita, Venezuela
1 Copyright © 2007 JPNIC All Rights Reserved. Introduction This proposal is : –to respond in an orderly way to the upcoming exhaustion of the IPv4 free address space. –to ensure that LIRs can receive IPv4 address allocation until pre-determined date (T-date). This proposal does not : –intend to artificially drive up IPv4 addresses –promote IPv6
2 Copyright © 2007 JPNIC All Rights Reserved. How much IPv4 address left? Source : Geoff Huston - IPv4 address space report http://www.potaroo.net/tools/ipv4/ RIR pool IANA pool 48 /8s left 2010 March 2010 Nov. Actual recordProjection Consumption rate 2004 : 9 * /8 2005 : 13 * /8 2006 : 10 * /8 2007 : 7 * /8 (As of 2007.4.16)
3 Copyright © 2007 JPNIC All Rights Reserved. Current Problems The final date of IPv4 allocations is ambiguous –LIRs do not consider IPv4 address exhaustion as an imminent issue –They will face confusions such as re-addressing their network or making subsequent requests at the last minute within a limited time (last minutes rush) –LIRs will be forced to build networks with a big architectural change either with hierarchical NAT or with IPv6, or even with another solution in a very short timeframe
4 Copyright © 2007 JPNIC All Rights Reserved. Proposal principles 1.Global Synchronization 2.Set and announce the date when the IPv4 allocation is terminated 3.Not change the current address policy for the extension of IPv4 address lifetime 4.Separate discussions on recycle issue
5 Copyright © 2007 JPNIC All Rights Reserved. Proposal principles (cont.) 1.Global Synchronization –All 5 RIRs should proceed at the same time for measures on IPv4 address exhaustion –Ensuring fairness across the regions –Prevent confusion such as an attempt to receive allocations from an RIR outside their region 2.Set and announce the date when the IPv4 allocation is terminated –To ensure all LIRs/ISPs can receive IPv4 allocation until such date –Also, to give time to LIRs/ISPs to prepare for the network re-configuration (Large-scale-NAT, IPv6, or other technical solution)
6 Copyright © 2007 JPNIC All Rights Reserved. Proposal principles (cont.) 3.Not change the current address policy for the extension of IPv4 address lifetime –Making large changes in the current policy towards conservation is difficult in reality 4.Separate discussions on recycle issue –Recovery of unused address space is very important and should be addressed, but should not be tied with this proposed policy
7 Copyright © 2007 JPNIC All Rights Reserved. Details of the proposal Announce the day in which the IANA pool becomes less than 30*/8 (A-Date) Terminate new allocation/assignment from RIR on the day (T-Date) exactly 2 years after A-Date (Now)(A-Date)(T-date) 2 years No new allocation/assignment Allocation/assignment based on current policy IANA pool got less than 30* /8 Some /8 IANA pool may be left
8 Copyright © 2007 JPNIC All Rights Reserved. Benefits Final date of IPv4 allocation is clearly demonstrated well in advance (2 years) –LIRs and users can prepare for the exhaustion (subsequent allocation, renumbering, business plan, IPv6 etc.) –RIRs can make the last allocation and avoid causing feelings of unfairness among LIRs
9 Copyright © 2007 JPNIC All Rights Reserved. Discussion in APNIC Consensus reached: –Global Synchronization –Not change the current address policy for the extension of IPv4 address lifetime –Separate discussions on recycle issue Consensus NOT reached: –Set and announce the date when the IPv4 allocation is terminated Back to ML for further discussion
10 Copyright © 2007 JPNIC All Rights Reserved. Discussion in ARIN Public Policy Meeting resulted in few in favor(4/93) and many against(47/93) Broad comments on this policy… –Inappropriate action Artificial measures to move IPv6 Anti-trust issue - Denial of Service by the dominant supplier It is enough if Community stays informed of size of remained space –Influence by the exhaustion Issue of reclaiming the unused legacy space Emergence of trade market
11 Copyright © 2007 JPNIC All Rights Reserved. Other RIRs RIPE NCC –Introduced in RIPE 54 (May 2007) –Back to ML for further discussion AfriNIC –Introduced in AfriNIC 6 (May 2007) –Informational presentation with no decision
12 Copyright © 2007 JPNIC All Rights Reserved. Gracias!
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