IPv6 deployment experience in NTT and Japan Introduction of NTT Group NTT (Holding CompAny) No. of consolidated companies: No. of employees: 274,850 Revenues: 11,391 billion yen R&D for the entire NTT Group NTT LaborAtories (as of MArch 31, 2017) 100 % 100 % 100 % 100 % 63.3 % 54.2% Other subsidiaries NTT FAcilities NTT UrbAn Development NTT East NTT West NTT ComwAre NTT DimensionDAtA NTT DOCOMO NTT DATA NTT FinAnce Regional Regional Communications NTT AdvAnced Technology CommunicAtions CommunicAtions Long DistAnce And Mobile DAtA Business Business InternAtionAl ICT Solutions CommunicAtions CommunicAtions And About 500 Business Business other compAnies CommunicAtionsBusiness Business StrAtegic Network Research And Research And ManAgement Development Technology R&D innovAtion Development DepArtment Center Development Division HeAdquArters Other Businesses Copyright©2018 NTT corp. All Rights Reserved. 2 Introduction of NTT Labs & Copyright©2018 NTT corp. All Rights Reserved. 3 Copyright©2018 NTT corp. All Rights Reserved. 4 Japan Market Overview: Fixed line Broadband Internet Access 1/2 CATV Internet Copyright©2018 NTT corp. All Rights Reserved. 5 Japan Market Overview: Fixed line Broadband Internet Access 2/2 NTT West NTT West NTT East & NTT East West NTT East Copyright©2018 NTT corp. All Rights Reserved. 6 Japan Market Overview: Cellular Broadband Internet Access CATV Internet Copyright©2018 NTT corp. All Rights Reserved. 7 Japan Market Overview: Cellular Broadband Internet Access 2/2 NTT Docomo NTT Docomo (MVNO) KDDI Group KDDI Group (MVNO) Softbank Group Softbank Group (MVNO) Copyright©2018 NTT corp. All Rights Reserved. 8 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) Copyright©2018 NTT corp. All Rights Reserved. 9 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) Copyright©2018 NTT corp. All Rights Reserved. 10 Copyright©2018 NTT corp. All Rights Reserved. 11 History of IPv6 service for (residential) users in Japan NTT East Flet’s Square NTT East & West IPv6 (contents Hikari TV (IPv6 multicast) server) 2007.9- 2008.3- Copyright©2018 NTT corp. All Rights Reserved. 12 IPv6 Internet Access Platform: IPoE Copyright©2018 NTT corp. All Rights Reserved. 13 IPv6 Internet Access Platform: PPPoE Copyright©2018 NTT corp. All Rights Reserved. 14 IPv6 Internet Access Service by NTT Docomo Copyright©2018 NTT corp. All Rights Reserved. 15 NTT%NTTPlala’s% Plala’s%““HikariHikariTV”NTV”%IPTV%service% IPTV Service Copyright©2018 NTT corp. All Rights ReserveD. 16 • -BI:A7 – 04D04DIC7 – CBI:IBB • GD:C) – 6D:CBDCGCDIDIG:0- • 2445.D5.( GL:DDGI • 4GIF:AI) – 0245IGGICDI • 2BIBIGB4GDFGMGIGG Copyright©2018 NTT corp. All Rights Reserved. 18 JPNIC address distribution trends 4 4 ( 813 4077206 9 813 40 659839 () ) ) # # ( # # # ### # () ) # ( ( # ) ( ## # # ( ) # ## # # # # #( #) Copyright©2018 NTT corp. All Rights Reserved. 19 IPv6 Address distribution status in JPNIC 10 0% 90 % 80 % IPv4/IPv6 LIRs 70 % 59.1% IPv4/IPv6 246 LIRs 60 % 50 % 95.4% 40 % 30 % IPv4 only LIRs 20 % 40.9% 170 10 % 4.6% 0% IPv4 only LIRs Number ofLIRs Number of IPv4 addre ss Copyright©2018 NTT corp. All Rights Reserved. 20 IPv6 consumer service penetration rate in Japan -KDDI and CTC- 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 94% 94% 95% KDDI au Hikari CTC Comifa HIKARI 93% 90% 90% 91% 87% 88% 84% 80% 81% 78% 75% 67% 66% 70% 65% 70% 61% 63% 68% 64% 60% 55% 58% 50% 53% 48% 40% 44% 40% 30% 36% 29% 20% 24% 10% 0% '12.12 '13.03 '13.06 '13.09 '13.12 '14.03 '14.06 '14.09 '14.12 '15.03 '15.06 '15.09 '15.12 '16.03 '16.06 '16.09 '16.12 '17.03 '17.06 '17.09 17.12 18.3 Copyright©2018 NTT corp. All Rights Reserved. 21 IPv6 Users penetration measured by Akamai, APNIC and Google Copyright©2018 NTT corp. All Rights Reserved. 22 IPv6 penetration rate : web servers Copyright©2018 NTT corp. All Rights Reserved. IPv6 services in Governments Japanese governments’ service has been implementing IPv6. Copyright©2018 NTT corp. All Rights ReserveD. Number of products with IPv6 Ready Logo (JP) 250 IPv6 Ready Logo Phase-2 Approval Products in Japan 20 18 200 16 14 150 12 Multiple 10 Am o unt Co re Simgle Amount Simgle Pr ot oco ls 100 8 Multiple Amount Multiple 6 50 4 2 0 0 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… 2… Copyright©2018 NTT corp. All Rights Reserved. 25 Copyright©2018 NTT corp. All Rights Reserved. 26 IPv6 deployment: key issues • Transition of existing IPv4 users • Applications • IPv6 on IX Copyright©2018 NTT corp. All Rights Reserved. 27 History of IPv6 service for (residential) users in Japan NTT East Flet’s Square NTT East & West IPv6 (contents Hikari TV (IPv6 multicast) server) 2007.9- 2008.3- Copyright©2018 NTT corp. All Rights Reserved. 28 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. Copyright©2018 NTT corp. All Rights Reserved. 29 IPv6 consumer service penetration rate in Japan - NTT’s service platform users- % ,% .8245.00 47344 ' ,% ' 44916454 , ' ' , '%% %%, % ' % % , %, % ' % % % %% '' , ' % ,, % % % % '% ' '12.12 '13.03 '13.06 '13.09 '13.12 '14.03 '14.06 '14.09 '14.12 '15.03 '15.06 '15.09 '15.12 '16.03 '16.06 '16.09 '16.12 '17.03 '17.06 '17.09 '17.12 '18.03 Copyright©2018 NTT corp. All Rights Reserved. 30 Transition of existing IPv4 users Several ISPs started to transit their existing IPv4 customers to dual stack environment. Copyright©2018 NTT corp. All Rights Reserved. 31 IPv6 consumer service penetration rate in Japan - NTT’s service platform users- % ,% .8245.00 47344 ' ,% ' 44916454 , ' ' , '%% %%, % ' % % , %, % ' % % % %% '' , ' % ,, % % % % '% ' '12.12 '13.03 '13.06 '13.09 '13.12 '14.03 '14.06 '14.09 '14.12 '15.03 '15.06 '15.09 '15.12 '16.03 '16.06 '16.09 '16.12 '17.03 '17.06 '17.09 '17.12 '18.03 Copyright©2018 NTT corp. All Rights Reserved. 32 Japan user readiness (by Cisco 6lab) Copyright©2018 NTT corp. All Rights Reserved. 33 IPv6 traffic to Google servers 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% Copyright©2018 NTT corp. All Rights Reserved. 34 IPv6 deployment: key issues • Transition of existing IPv4 users • Applications • IPv6 on IX Copyright©2018 NTT corp. All Rights Reserved. 35 NTT%NTTPlala’s% Plala’s%““HikariHikariTV”NTV”%IPTV%service% IPTV Service Copyright©2018 NTT corp. All Rights ReserveD. 36 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. Copyright©2018 NTT corp. All Rights Reserved. 37 IPv4 as a service (IPv4aaS) • Some commercial IPv4aaSs in Japan Copyright©2018 NTT corp. All Rights ReserveD. 38 IPv6 deployment: key issues • Transition of existing IPv4 users • Applications • IPv6 on IX Copyright©2018 NTT corp. All Rights Reserved. 39 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)) Copyright©2018 NTT corp. All Rights Reserved. 40 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. Addressing 2. Network management 3. Services on IX Copyright©2018 NTT corp. All Rights Reserved. 41 Network Prefix Interface ID 2001 : 0db8 : 0007 : 0001 : : : : ASN in decimal format Tokyo I Tokyo II Osaka IPv6 2001:0db8:0007: 2001:0db8:0007: 2001:0db8:0007: 0001::/64 0003::/64 0002::/64 For AS7521 Scheme 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 42 • (6 – )666 – 6 – 6 – + ) AS AS AS SW SW AS IX Backbone AS AS SW SW Datacente Datacenter r • – – 6 – 6 AS SW SW IX Backbone AS SW SW AS sFlow sFlow sFlow sFlow • 6--- – 6- • • 66 AS AS IPv 6 AS SW SW AS IX Backbone AS AS SW SW Datacente Datacenter r Summary • NTT Group has been implementing IPv6 widely.