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IPv6/IPv4 XLATE Trial Service for sharing IPv4 address Japan Internet Exchange Co., Ltd. Masataka MAWATARI.

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Presentation on theme: "IPv6/IPv4 XLATE Trial Service for sharing IPv4 address Japan Internet Exchange Co., Ltd. Masataka MAWATARI."— Presentation transcript:

1 IPv6/IPv4 XLATE Trial Service for sharing IPv4 address Japan Internet Exchange Co., Ltd. Masataka MAWATARI

2 2 Copyright © 2011 Japan Internet Exchange Co., Ltd. What we talked before in APRICOT 2009 @ Manila –I had a presentation about IXP’s consideration to IPv4 address exhaustion. –I think that IXPs should give ISPs a solution to IPv4 address exhaustion. First impact of the exhaustion will be expanding subscriber ISPs. –e.g. many ISPs in developing countries. IXP is gathering site for ISPs –Very suitable for IPv4 Address sharing point. [Reference] http://www.apricot.net/apricot2009//images/lecture_files/what_ can_ixps_do_about_v4_exhaustion%2B.pdf

3 3 Copyright © 2011 Japan Internet Exchange Co., Ltd. What we will talk here in APRICOT 2011 @ Hong Kong [here] –JPIX started offering trial service for JPIX customers since last summer. Trial user applications are now being accepted. –I’d like to introduce in this presentation... Introduction of trial overview Implementation and present status

4 4 Copyright © 2011 Japan Internet Exchange Co., Ltd. Agenda 1.Service Overview 2.Service Implementation 3.Trial Service Status 4.Future Plans 5.Request for Comments

5 5 Copyright © 2011 Japan Internet Exchange Co., Ltd. Agenda 1.Service Overview 2.Service Implementation 3.Trial Service Status 4.Future Plans 5.Request for Comments

6 6 Copyright © 2011 Japan Internet Exchange Co., Ltd. Service Overview Review of JPIX Motivation –Shortage of IPv4 global address is coming just right now! RIRs’ IPv4 address pool exhaustion at 2011 early. ISPs would run out of IPv4 assignment pool for end- users in late 2011 or early next year. –In small and local ISPs, it is not easy to solve IPv4 address exhaustion in only their own backbone network. ISPs’ new action item is heavy! and many! (IPv6 deploy, IPv4 share, DNSSEC, Content Block...etc?) IXPs should support small ISPs to survive in IPv4/IPv6 transition period by outsourcing of sharing IPv4 address!!

7 7 Copyright © 2011 Japan Internet Exchange Co., Ltd. Service Overview Purpose –This solution can provide IPv4 connectivity to IPv6 end-user’s host. –This trial service is implemented by XLATE technology. XLATE is standardized as a IPv4/IPv6 address family translation Algorithm in IETF behave WG. These Internet Drafts will become RFC standards track soon. –draft-ietf-behave-v6v4-xlate –draft-ietf-behave-v6v4-xlate-stateful

8 8 Copyright © 2011 Japan Internet Exchange Co., Ltd. Service Overview XLATE technology –draft-ietf-behave-v6v4-xlate http://tools.ietf.org/html/draft-ietf-behave-v6v4-xlate Stateless translation between IPv4 and IPv6, and between ICMPv4 and ICMPv6. This translataion algorithm translates between IPv4 and IPv6 packet headers only. –draft-ietf-behave-v6v4-xlate-stateful http://tools.ietf.org/html/draft-ietf-behave-v6v4-xlate-stateful Stateful NAT64 translation, which translates between IPv4 and IPv6 packet headers. The public IPv4 address can be shared among several IPv6-only nodes.

9 9 Copyright © 2011 Japan Internet Exchange Co., Ltd. Service Overview Translate GW IPv6 IPv4[P] IPv6 BAS Pool Address (IPv6) End User Client (IPv4[P] IPv6) JPIX IP Backbone (IPv4[G] IPv6) Translate HGW (IPv4[P] IPv6) IPv4[G] The Internet (IPv4[G]) Source IPv4 [Private] Destination IPv4 [Global] Source IPv6 Destination IPv6 Source IPv4 [Global] Destination IPv4 [Global] Payload Translate GW : Translating IPv6 to IPv4 (Stateful XLATE) Translate HomeGW : Translating IPv4 to IPv6 (Stateless XLATE) IX Switch Reachable !!! BAS Pool Address (IPv6) Content Server (IPv4 Global) End User Client (IPv4[P] IPv6) Translate HGW (IPv4[P] IPv6) ISP Backbone (IPv6) Stateless XLATE [ 1:1 mapping ] Stateful XLATE [ n:1 mapping ]

10 10 Copyright © 2011 Japan Internet Exchange Co., Ltd. Agenda 1.Service Overview 2.Service Implementation 3.Trial Service Status 4.Future Plans 5.Request for Comments

11 11 Copyright © 2011 Japan Internet Exchange Co., Ltd. Service Implementation Translate GW –This Gateway is installed in IP backbone network. –Implemented Stateful XLATE –IPv4 global address pooling for sharing among ISPs Translate HomeGW –This Home Gateway (CPE) is installed in ISP subscriber (ISP end user) premises. –Implemented Stateless XLATE –Translate HomeGW rental to each ISPs participating this trial service for free.

12 12 Copyright © 2011 Japan Internet Exchange Co., Ltd. IPv4 Pool Address [ 192.0.2.1 ～ 192.0.2.100 ] IPv6 DST PREFIX [ b::/96 ] IPv6 SRC PREFIX [ a::/96 ] IPv6 DST PREFIX [ b::/96 ] CONFIG Service Implementation Translate HomeGW Translate GW v4 Private: 192.168.1.0/24 v6 Global: a::/64 (*option) v6 Global v4 Global v6 Global IPv4[P] --> IPv6 --> IPv4[G] Address Translation Flow 198.51.100.1 192.168.1.2 CONFIG v4Src 192.168.1.2 v4Dst 198.51.100.1 v6Src a::192.168.1.2 v6Dst b::198.51.100.1 v4Src 192.0.2.1 v4Dst 198.51.100.1

13 13 Copyright © 2011 Japan Internet Exchange Co., Ltd. Agenda 1.Service Overview 2.Service Implementation 3.Trial Service Status 4.Future Plans 5.Request for Comments

14 14 Copyright © 2011 Japan Internet Exchange Co., Ltd. Trial Service Status Number of trial service users –Broadband Internet Provider : 6 –CATV Internet Provider : 2 –Hosting, Contents Provider : 3 We can continuously accept trial service users. –This service is confined to JPIX IX members. sorry... –We would like to give feedback about the experiences and idea.

15 15 Copyright © 2011 Japan Internet Exchange Co., Ltd. Trial Service Status Current comments from trial service users. –About this service End users can access the IPv4 Internet without regard to only IPv6 access line. ISPs can adopt effective solutions against IPv4 address shortage. –About Translate HomeGW Compact size is good. Easy to configure IPv4/IPv6 translation statement. –About service operation and user support. Concerned about method of Translate HomeGW delivery. Concerned about address mapping log survey.

16 16 Copyright © 2011 Japan Internet Exchange Co., Ltd. Trial Service Status Traffic stats at Translate GW Address mapping stats at Translate GW Confidential Space to put graph...

17 17 Copyright © 2011 Japan Internet Exchange Co., Ltd. Agenda 1.Service Overview 2.Service Implementation 3.Trial Service Status 4.Future Plans 5.Request for Comments

18 18 Copyright © 2011 Japan Internet Exchange Co., Ltd. Future Plans Feature extensions –ICMP in ICMP –Hairpinning on Translate GW –Translate HomeGW auto configuration Improvements –Throughput performance –Health check for Translation (for operation issue) Trial service’s knowledge –Growing knowledge and information for publicly introducing.

19 19 Copyright © 2011 Japan Internet Exchange Co., Ltd. Agenda 1.Service Overview 2.Service Implementation 3.Trial Service Status 4.Future Plans 5.Request for Comments

20 20 Copyright © 2011 Japan Internet Exchange Co., Ltd. Request for Comments Consideration about IPv6/IPv4 XLATE Consideration about JPIX’s status Any comments.

21 21 Copyright © 2011 Japan Internet Exchange Co., Ltd. Thank you !

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