# APNIC IPv6 Tutorial. Global IPv6 Summit in China 2008 April 15, 2008 Guangliang Pan

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1 APNIC IPv6 Tutorial Global IPv6 Summit in China 2008 April 15, 2008 Guangliang Pan 1

2 Overview IPv6 addressing - notation and prefixes APNIC IPv6 policy update How to request IPv6 addresses IPv4 address space exhaustion IPv6 allocation statistics IPv6 global routing table update 2

4 Size of the IPv6 address space An IPv6 address is 16 octets (128 bits) This would allow every person on the planet to have their own internet as large as the current Internet It is difficult to foresee running out of IPv6 addresses (???!!!) 4

5 IPv6 Colon Hexadecimal Notation - 1 Although the large address solves the problem of insufficient capacity, humans now will have trouble using the addresses The dotted decimal notation used for IPv4 does not make such addresses sufficiently compact:

6 IPv6 Colon Hexadecimal Notation - 2 IPv6 designers propose using colon hexadecimal notation in which the value of each 16-bit quantity is represented in hexadecimal separated by colons: 68E6:8C64:FFFF:FFFF:0:1180:96A:FFFF Allows for zero compression FF05:0:0:0:0:0:0:B3 becomes: FF05::B3 but this can only be done once in an address 6

7 IPv6 addressing 128 bits of address space Hexadecimal values of eight 16 bit fields Example: X:X:X:X:X:X:X:X (X=16 bit number, ex: A2FE) 16 bit number is converted to a 4 digit hexadecimal number 2001:DB8:124C:C1A2:BA03:6735:EF1C:683D Abbreviated form of address 2001:DB8:0023:0000:0000:036E:1250:2B :DB8:23:0:0:36E:1250:2B :DB8:23::36E:1250:2B00 (Null value can be used only once) 7

8 IPv6 address prefix When you do IPv6 subnetting, you need to think in bits value not in hexadecimal value 2001:1::/32 =2001:0001::/32 Hex 2001 = Binary = /16 Hex 0001 = Binary = / :2:3::/48 =2001:0002:0003::/48 Hex 2001 = Binary = /16 Hex 0002 = Binary = /32 Hex 0003 = Binary = /48 So /64s in 2001:2:3::/48 are 2001:0002:0003:0001::/ :0002:0003:0002::/ :0002:0003:0003::/64 Etc. 16 bits of address space You can have /64s in one /48 IPv6 address 8

9 IPv6 address prefix 9 When you do IPv6 subnetting, you need to think in bits value not in hexadecimal value 2001:1::/32 =2001:0001::/32 Hex 2001 = Binary = /16 Hex 0001 = Binary = /32 How about /47s in 2001:1::/32? Hex 2001 = Binary = /16 Hex 0001 = Binary = /32 Hex 0000 = Binary X0 = /47 So bit X keep changing: Binary = Hex 0000 The first /47 is 2001:0001:0000::/ Binary = Hex 0002 So the second /47 is 2001:0001:0002::/ Binary = Hex 0004 So the third /47 is 2001:0001:0004::/ Binary = Hex 0006 So the forth /47 is 2001:0001:0006::/ Binary = Hex 0008 So the fifth /47 is 2001:0001:0008 ::/47

10 10 IPv6 policy and procedures

11 IPv6 Address Policy IPv6 Address Allocation and Assignment Policy APNIC guidelines for IPv6 allocation and assignment requests guidelines.html 11

12 Some definitions 12 RIR Regional Internet Registry NIR National Internet Registry LIR Local Internet Registry (Top level ISP) End Site defined as an end user of an ISP where the ISP: Assigns address space to the end user Provides Internet transit service to the end user Advertises an aggregate prefix route that contains the end user's assignment POP Point of Presence

13 Internet Registry Structure ICANN (IANA) APNIC ARIN LACNIC RIPE NCC AfriNIC NIR LIR LIR LIR ISP ISP 13

14 Allocation and assignment Allocation A block of address space held by an IR (or downstream ISP) for subsequent allocation or assignment Not yet used to address any networks Assignment A block of address space used to address an operational network May be provided to LIR customers, or used for an LIR s infrastructure ( self-assignment ) 14

15 IPv6 initial allocation Initial allocation criteria Plan to connect 200 end sites within 2 years Default allocation ( slow start ) Initial allocation size is /32 Provides 16 bits of site address space bits 48 bits 128 bits Larger initial allocations can be made if justified according to: IPv6 network infrastructure plan Existing IPv4 infrastructure and customer base License model of allocation Allocations are not considered permanent, but always subject to review and reclamation

16 IPv6 customer assignments Assignment /48 - /64 for all end sites (POP also defined as end site) Defined in revised policy effective19 March 2007 Provides for up to 16 bits of space for subnets 48 bits 64 bits 128 bits Other assignment sizes /64 only one subnet /128 only one device connecting Larger assignments (to ISP)- Multiple /48s Should be reviewed by RIR/NIR Follow second opinion procedure 16

17 IPv6 IXP assignment Criteria Demonstrate open peering policy 3 or more peers Assignment size: /48 All other needs should be met through normal processes /64 holders can upgrade to /48 Through CNNIC / APNIC Need to return /64 17

18 IPv6 Critical Infrastructure Assignment Organisations seeking assignment for critical infrastructure must be an actual operator of the network infrastructure performing the following functions: root domain name system (DNS) server global top level domain (gtld) DNS server country code TLD (cctlds) DNS server Regional Internet Registry (RIRs) National Internet Registry (NIRs) * Minimum assignment size is /48 18

19 IPv6 Multihoming Assignment An organisation is eligible to receive a portable assignment from APNIC if it: - is currently multihomed with provider-based addresses, or demonstrates a plan to multihome within three months and, - agrees to renumber out of previously assigned address space. * Minimum assignment size is /48 19

20 Proposed policy 20 Initial allocation criteria be changed From To Have a plan for making at least 200 assignments to other organizations within two years. Have a plan for making at least 200 assignments to other organizations within two years, -OR Be an existing LIR with IPv4 allocations from an RIR/NIR which makes IPv6 assignments and/or sub-allocations to other organizations and announces the allocation in the inter-domain routing system within two years.

21 Proposed policy cont. Reached consensus at the APNIC 25 Final call for comments ends on 29 April 2008 How to participate in the final call? Subscribe to Post your comments to this thread Final call for comments - prop-057: Proposal to change IPv6 initial allocation criteria 21

23 Where to request IPv6 addresses? 1. From your upstream ISP Receive an assignment or sub-allocation Address space is non-portable 2. From CNNIC CNNIC member Address space is portable 3. From APNIC APNIC member Address space is portable Note: 6bone address is no longer available 23

24 Request IPv6 addresses from APNIC Become APNIC member IPv6 Allocation Request Form IPv6 Portable Assignment Request Form 24

25 How do I apply for IPv6 addresses? Check your eligibility for IPv6 addresses Read IPv6 policies Read IPv6 guideline Do you have an APNIC account? If not, become an APNIC member or open a non-member account Complete an IPv6 address request form Submit the form Questions: 25 Helpdesk chat:

26 26 APNIC Helpdesk chat

27 27 IPv4 unallocated address space exhaustion

28 RIR and Internet resource management Growth of global routing table Sustainable growth? Dot-Com boom Projected routing table growth without CIDR CIDR deployment 28

29 IPv4 Address Pool June 2005 Other Central Registry 25% available APNIC RIPE NCC 29 source: LACNIC ARIN AfriNIC

30 IPv4 IANA address pool March 2008 Other Central Registry 16% available APNIC RIPE NCC 30 source: LACNIC ARIN AfriNIC

31 IPv4 Allocations RIRs to LIRs/ISPs 4.5 Yearly Comparison (/8s) AfriNIC APNIC ARIN LACNIC RIPE NCC

32 ARIN announcement May 2007 ARIN board advises Internet community on migration to IPv6 21 May html The ARIN resolution on IPv6 migration IPv6 Information Centre 32

33 ARIN announcement May 2007 ARIN Board of Trustees Advises the Internet community that to migration to IPv6 is necessary Directs ARIN staff to take all necessary measures to assure veracity of IPv6 address applications to ARIN Requests to ARIN Advisory Council to consider change ARIN s Internet Number Resource Policies to encourage migration to IPv6 where possible 33

34 LACNIC announcement 20 June 2007 We do not wish to create panic, but IP version four addresses are on the way to depletion. Therefore, we recommend preparing regional networks as soon as possible for using the Internet protocol version six. There are still many aspects that need to be decided in relation to the consumption of IPv4 addresses that remain unutilized. The impact of some of these decisions could allow us more time, while others could bring IPv4 depletion date even closer. LACNIC will periodically report to the community so that we can all be prepared, 34

35 AfriNIC resolution 25 th July 2007 Resolution [# ]: "Noting the imminent exhaustion of the IPv4 address central pool, the AfriNIC Board resolves that efforts to draw the public's attention to the problem and potential solutions such as IPv6 be intensified, and instructs the staff to take appropriate action in this regard". 35

36 APNIC community resolution Sep Endorsed at APNIC 24 Community resolution on IPv4 and IPv6 issues, 7 September 2007 The APNIC community recognises that the current rate of allocation, the remaining free pool of IPv4 address space will be consumed within the next 2 to 4 years Requires a concerted effort by the community Responsible measures for the management of remaining IPv4 address space Promote the adoption of IPv6 Call upon the leading senior and expert members to provide strong leadership in the search of solutions to these issues of IPv4 address management and transition to IPv6

37 RIPE 55 Oct Oct attendees from 40 countries, including all RIRs representatives and ICANN Most well attended RIPE meeting Highlights Resolution on IPv4 depletion The RIPE community agreed on issuing an statement "RIPE Community Resolution on IPv4 Depletion and Deployment of IPv6" was developed by consensus and will be used as the community's formal position regarding IPv4 depletion.

38 RIPE community resolution Oct IPv4 address is likely to be fully allocated within 2 4 years IPv6 provides necessary address space for future growth We need to facilitate the wider deployment of IPv6 Urge the widespread deployment of IPv6 High priority by all stakeholders We recommends ISPs make their services available over IPv6 We encourage governments to play their part in the deployment of IPv6 To ensure that all citizens will be able to participate in the future information society

39 39 IPv6 statistics

40 IANA IPv6 Allocations to RIRs issued as /23s prior to Oct AfriNIC APNIC ARIN LACNIC RIPE NCC 40

41 IANA IPv6 Allocations to RIRs issued in Oct 2006 RIR AfriNIC APNIC ARIN LACNIC RIPE NCC IPv6 Address 2C00:0000::/ :0000::/ :0000::/ :0000::/12 2A00:0000::/12 41 Some /23s from the previous slide are incorporated in these /12s

42 IPv6 Allocations RIRs to LIRs/ISPs Yearly Comparison AfriNIC APNIC ARIN LACNIC RIPE NCC

43 IPv6 Allocations RIRs to LIRs/ISPs Cumulative Total (Jan 1999 Dec 2007) AfriNIC, 41, 3% APNIC, 327, 21% RIPE NCC, 770, 48% ARIN, 330, 21% LACNIC, 111, 7% 43

44 44 APNIC allocations by year

45 45 APNIC allocations by economy

46 46 Economy uptake by year in AP region

47 47 IPv6 Global Routing table update

48 48 IPv6 global routing table

49 49 IPv6 global routing table

50 IPv6 transit exchange APNIC facilitated service Research and development effort Support IPv6 deployments in Asia Pacific Awareness and understanding of IPv6 networks Continue to run as long as the participants require Advertise and negotiate peers for 2byte & 4byte ASNs Is an MPLA style service. Will re-advertise all routes presented to us 50

51 IPv6 transit exchange cont. Joining the APNIC IPv6 transit exchange the following details to with the subject line "IPv6TE request Organisation Contact name Contact address Contact phone number IPv4 tunnel endpoint Md5 string (optional) AS number IPv6 prefixes More information is at: 51

52 52 Thanks!

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