20180621 ipv6 japan - TWNIC · After NTT East & West IPv6 platform implementation in 2011, IPv6 services was available almost every where in Japan. • At that time, ISPs provide

IPv6 deployment experience in NTT and Japan

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Introduction of NTT Group

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NTT East NTT West NTT Communications

NTT DATA

O ther subsidiariesNTT FacilitiesNTT Urban Developm ent NTT Com w areNTT FinanceNTT Advanced Technology

And about 500 other companies

Regional Communications

Business

Other Businesses

NTT (Holding Company)

NTT Laboratories

100 % 100 % 100 % 54.2%63.3 %

NTT DOCOMORegional

Communications Business

Long Distance and International

Communications Business

Data Communications

Business

Mobile Communications

Business

DimensionData

100 %

ICT Solutions Business

Strategic Network Management Department

Research and Development Center

R&D innovation DivisionTechnology

Development

Research and Development Headquarters

No. of consolidated companies: ��No. of employees: 274,850Revenues: 11,391 billion yen (as of March 31, 2017)R&D for the entire NTT Group

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Introduction of NTT Labs


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Japan Market Overview: Fixed line Broadband Internet Access 1/2

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C A T V In t e r n e t

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Japan Market Overview: Fixed line Broadband Internet Access 2/2

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NTT East & West

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NTT East

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Japan Market Overview: Cellular Broadband Internet Access

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Japan Market Overview: Cellular Broadband Internet Access 2/2

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NTT Docomo NTT Docomo (MVNO) KDDI Group KDDI Group (MVNO) Softbank Group Softbank Group (MVNO)

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Internet Exchanges in JP

• BBIX (BroadBand Internet eXchange) [Asia Smart IX (BBIX Asia), Osaka, Tokyo]

• WIDE [DIX-IE (Distributed IX in EDO (former NSPIXP2), NSPIXP3)]

• Equinix [Osaka, Tokyo]• JPIX (Japan Internet Exchange) [Osaka,Tokyo]• JPNAP [Osaka, Tokyo, Tokyo 2]• Echigo-IX (Echigo Internet Exchange)• RIX (RYUKYUIX) (Ryukyus Internet Exchange)


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Internet Exchanges in JP

• BBIX (BroadBand Internet eXchange) [Asia Smart IX (BBIX Asia), Osaka, Tokyo] Softbank Group

• WIDE [DIX-IE (Distributed IX in EDO (former NSPIXP2), NSPIXP3)]

• Equinix [Osaka, Tokyo]

• JPIX (Japan Internet Exchange) [Osaka,Tokyo] KDDI Group

• JPNAP [Osaka, Tokyo, Tokyo 2] NTT Group

• Echigo-IX (Echigo Internet Exchange)

• RIX (RYUKYUIX) (Ryukyus Internet Exchange)


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History of IPv6 service for (residential) users in Japan

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NTT East & WestHikari TV (IPv6 multicast)2008.3-

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IPv6 Internet Access Platform: IPoE

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IPv6 Internet Access Platform: PPPoE


IPv6 Internet Access Service by NTT Docomo

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JPNIC address distribution trends


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Num be r o f LIR s Num be r o f IPv 4 ad dre ss

IPv4/IPv6 LIRs

IPv4 only LIRs

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IPv4/IPv6 LIRs

IPv4 only LIRs


IPv6 consumer service penetration rate in Japan-KDDI and CTC-

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55%

61% 63% 65% 66%67%

68%

100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%

24%29%

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KDDI au Hikari CTC Comifa HIKARI

IPv6 Users penetration measured by Akamai, APNIC and Google

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IPv6 penetration rate : web servers


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IPv6 services in Governments

Japanese governments’ service has been implementing IPv6.

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Number of products with IPv6 Ready Logo (JP)

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IPv6 deployment: key issues

• Transition of existing IPv4 users• Applications• IPv6 on IX


History of IPv6 service for (residential) users in Japan

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Transition of existing IPv4 users

After NTT East & West IPv6 platform implementation in 2011, IPv6 services was available almost every where in Japan.• At that time, ISPs provide IPv6 service as an ‘optional’ service.• Users need to order IPv6 service.

• Then, ISPs started to provide IPv4/IPv6 dual stack service by default to new customers.

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IPv6 consumer service penetration rate in Japan- NTT’s service platform users-

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Transition of existing IPv4 users

Several ISPs started to transit their existing IPv4 customers to dual stack environment.

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Japan user readiness (by Cisco 6lab)

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IPv6 traffic to Google servers

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Rank Name �� IPv6 %1 KDDI �� 40.98%2 SoftBank BB �� 36.02%3 OCN / plala �� 29.13%4 So-net �� 40.32%5 BIGLOBE �� 44.79%6 NTT docomo �� 7.05%7 ctc �� 51.22%8 IIJ �� 17.05%9 TOKAI �� 21.83%

10 @nifty �� 11.31%11 iTSCOM �� 14.53%12 Sony Global Solutions �� 99.68%13 star cat �� 22.08%14 VECTANT �� 1.44%15 K-Opticom �� 0.53%16 bit-drive �� 13.15%17 SINET �� 1.59%18 SuperCSI �� 43.20%19 TDNC �� 1.97%20 Keio University �� 31.21%




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Applications

• IPv6 service : “IPv4”• Trend for IPv4 service implementation

• “IPv4 as a service”• Couple of standard protocols are available.• Implemented some networks in U.S.


IPv4 as a service (IPv4aaS)

• Some commercial IPv4aaSs in Japan

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IPv6 Internet Exchange (IX) Service in Japan

• Major IXes has implemented IPv6.• L2 IX Service

• JPNAP (from 2008.4) (JPNAP6 from 2002-2010)• JPIX (2008-)• BBIX

• IPv6 service on IX (JPNAP)• IPv6 peering

• Provide IPv6 address to peer with other ASes• IPv6 Route server

• Other services (JPNAP)• IPv6 NTP server• ‘IPv4 over IPv6’ service

• Transix (DS-lite) (JPANP)• V6 Option (MAP-E) (JPNE (KDDI Group))


IPv6 Experience in IX (JPNAP)

• JPNAP IX service is L2.• Basically, do not care about L3 protocol (IPv6 or IPv4).

• At the beginning of IPv6 service, used separate IPv6 facilities from IPv4.• JPNAP6 (2002-2010)• At that time, IPv6 implementation would not be mature.

• The points to ponder�1. Addressing2. Network management3. Services on IX


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Tokyo I Tokyo II Osaka

IPv6 2001:0db8:0007:0001::/64

2001:0db8:0007:0003::/64

2001:0db8:0007:0002::/64

Schem eFor AS7521

2001:0db8:0007:0001:0000:0000:7521:0001

For AS131079 (AS2.7)2001:0db8:0007:0001:0000:0013:1079:0001

For AS4294967295 (AS65535.65535)2001:0db8:0007:0001:0042:9496:7295:0001

IPv4 2xx.xxx.176.0/24 2xx.xxx.45.0/24 2xx.xxx.178.0/25

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Network Prefix Interface ID

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Summary

• NTT Group has been implementing IPv6 widely.• IPv6 is available almost everywhere in Japan.• Possible to provide IPv6 service in many countries.

• In Japan, IPv6 become popular• Many ISPs are IPv6 ready, and started to migrate their IPv4 only

users to dual stack environment.• Mobile carriers, NTT Docomo, KDDI and Softbank has started full

IPv6 service.


!6

RFC8200

Global deployment of IPv6!

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Documents

20180621 ipv6 japan - TWNIC · After NTT East & West IPv6 platform implementation in 2011, IPv6 services was available almost every where in Japan. • At that time, ISPs provide