A view of cellular network migration toward IPv6
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1 APRICOT2005 IPv6 Technical Session A view of cellular network migration toward IPv6 23 February 2005 Dr. Fumio Watanabe General Manager, Wireless Broadband System Development Department "au" Technology Division, KDDI Corporation
2 Contents 1. Cellular Network 2. Migration Scenario and Process toward IPv6 3. Communication Services over IPv6 APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 2
3 1. Cellular Network
4 History of Mobile Communication 1980s 1990s 2000s Emerging Era Rapid Growing Era Flourishing Era 1st Generation Analog 2nd Generation Digital 3rd Generation Global/Multimedia Voice TACS, AMPS, NMT, NTT HighCap, etc Voice Voice band Data SMS GSM, PDC, IS-136, IS-95 (cdmaone), DECT, PHS, etc. IMT-2000: International Mobile Telecommunications Developed by 3GPP High Quality Voice High Speed Data Multimedia Global Mobility ITU-R M.1457 IMT-2000 W-CDMA, CDMA2000 Developed by 3GPP2 APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 4
5 3GPP and 3GPP2 Technology Organizational Partners Establishment 3GPP 3rd Generation Partnership Radio Access : W-CDMA Core Network : Evolved GSM ARIB(Japan), CCSA (China), ETSI (EU), ATIS (North America), TTA(Korea), TTC(Japan) Dec GPP2 3rd Generation Partnership 2 Radio Access : cdma2000 Core Network : Evolved ANSI-41 ARIB(Japan), CCSA (China), TIA (North America), TTA(Korea), TTC(Japan) January GPPs Agreement The Partners have agreed to co-operate in the production of globally applicable Technical Specifications and Technical Reports for a 3rd Generation Mobile System to be transposed by the relevant standardization bodies (Organizational Partners) into appropriate deliverables (e.g., standards). - Established for the preparation, approval, mentioned Technical Specifications and Technical - Not to be construed as a legal entity. APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 5
6 IMT-2000 Standard Evolution Original Evolution 1st Step - FL enhancement - Evolution 2nd Step - RL enhancement - 3GPP2 (CDMA2000) CDMA2000 1x 144kbps data (Oct 2000) 1xEV-DO Rev.0 FL: max 2.4Mbps RL: max 153.6kbps (Apr 2004) 1xEV-DO Rev.A FL: max 3.1Mbps RL: max 1.8Mbps 3GPP (W-CDMA) W-CDMA DL 384kbps data UL 64kbps data (2003) HSDPA Rel. 5 -DL improvement (HSDPA) (2004) HSDPA Rel. 6 -UL improvement (UPA) DL(Down Link) = FL(Forward Link) UL(Up Link) = RL(Reverse Link) APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 6
7 IMT-2000 Subscriber Growth in Japan Number of Subs. (Million) Oct, 2001 DoCoMo launch Number of 3G Subs. end of Jan, 2005 Total 26,958,900 au 17,115,000 DoCoMo 9,316,600 Vodafone 527,300 Dec, 2002 Vodafone launch Apr, 2002 KDDI launch Number of 2G & 3G Subs. 85,774,700 31% Subscribers already migrated to IMT-2000, Jan W-CDMA monthly increase over CDMA2000 Apr W-CDMA 2001/ / / / / / / / / / / / /12 Year/Month The Telecommunications Carriers Association (TCA) APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 7
8 Mobile Internet Services Number of Subs. (Million) Mobile Internet Users: 86% of Mobile Phone Subscribers (Jan. 2005) Number of Subs. (Million) Jan., 2005 Total 73.9 i-mode (DoCoMo) 43.2 EZweb (KDDI) 17.7 Live! (Vodafone) / / / / / / / / / / / / / / / / / / /12 Year/Month The Telecommunications Carriers Association (TCA) APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 8
9 One example: KDDI ( au ) Data network and Service Services of PacketOne / PacketWIN network EZweb Mobile Internet Services (WAP, , GPS...) CPA Internet access (Intranet / Internet) handset PC + handset (CDMA Packet Access) Radio Access Network PacketOne PacketWIN IP Core Network EZweb Network CPA Enterprise network WAP server mail server Location server Internet Service Provider the Internet APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 9
10 3GPP model H/O Mobile Node Area 1 Area 2 IP Mobility Support SGSN1 SGSN2 Serving GPRS Support Node IP core network New GPRS* Link *General Packet Radio Service HLR Gateway GPRS Support Node GGSN Server 3GPP2 model Area 1 Packet Data Serving Node PDSN1 AAAs H/O Mobile Node Area 2 PDSN2 New PPP link IP core network HA Border Router New Mobile IP Link Server APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 10
11 Cellular Data Network with IPv4 Area 1 handset AAA Server Proxy Server PC + handset Area 2 handset PC + handset AAA Mail Server Server Mail Server Proxy Server the Internet (IPv4) Multiple domains are required for tens of millions of subscribers in a IPv4 Network. APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 11
12 Cellular Data Network with IPv6 Area 1 handset AAA Server PC + handset handset Area 2 Proxy Server the Internet (IPv6) PC + handset Mail Server One domain can serve tens of millions of subscribers in a IPv6 Network. APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 12
13 Why IPv6 for Cellular Network? Tens of millions of Active Mobile Stations A remedy is to change IP addresses frequently. A remedy is header compression technology. IPv6 is a solution because it provides abundant IP address resources. whose benefits are: Simplifying network configuration Capable of providing multiple IP addresses for a device Capable of Providing real IP Push services whose concerns are: Attacks on global IPv6 addresses Larger IP Header for real time data than IPv4 APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 13
14 2. Migration Scenario and Process toward IPv6
15 Overview of Typical IPv6 Migration Scenario of Cellular System IPv6 penetration IPv6 Access from Mobile PC/PDA IPv6 Access from Cell phone Application/Browser (Goal) (1st Step) Tunneling IPv6 Native IPv6 (2nd Step) Present Future APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 15
16 Typical IPv6 Migration Scenario of Cellular System Cell Phone Capability IP Core NW Capability Application Server VoIP Server Capability Present Cellular network doesn t support IPv6. IPv4 only IPv4 only IPv4 only IPv4 is dominant. Cellular VoIP isn t popular. 1st Step Tunneling IPv6 services for PC/PDA IPv4 only IPv4 and Tunneling IPv6 IPv4 only IPv4 is dominant. Cellular VoIP isn t popular. 2nd Step Native IPv6 Services for PC/PDA IPv4 only IPv4 and IPv6 dual stack Mainly IPv4 IPv6 access becomes popular.. Cellular VoIP isn t popular. Goal IPv6 Services for cell phone application IPv4 and IPv6 dual stack IPv4 and IPv6 dual stack IPv4/IPv6 Cellular VoIP becomes popular. APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 16
17 Typical IPv6 migration scenario of cellular System (cont.) Present Tunneling node is located outside of cellular network. 1st Step Tunneling node is located in cellular network. 2nd Step IP nodes supports IPv4/v6 dual stack. Goal Cell Phone supports IPv6 stack. IPv6 Communication IPv6 Appli. Tunneling Client IPv6 Appli. Tunneling Client Tunneling IPv6 Communication IPv6 Appli. Cellular IP Network (IPv4) Tunneling Tunneling Cellular IP Network IPv6 Communication IPv6 Communication IPv6 Appli. (IPv4) Cellular IP Network (IPv4/IPv6 Dual) Cellular IP Network (IPv4/IPv6 Dual) Node Tunneling Node Server (IPv6) IPv6 NW Server (IPv6) IPv6 NW Server (IPv6) IPv6 NW Server (IPv6) APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 17
18 KDDI s Action at the present ISATAP Field Trial ISATAP(Intra-Site Automatic Tunnel Addressing Protocol) - Open to au.net users (KDDI s mobile Internet service) - No registration required - No extra IPv6 charge (Only access charge for au.net) Commercial au network (1) Connect to au.net IPv4 network (2) Setup ISATAP ISATAP Router KDDI IPv6 network (3) IPv6 communication IPv6 remote access from outside going outside IPv6 Internet APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 18
19 KDDI s Action for 1st Step KDDI is is in in charge of of Cellular Access in in the the ISP/Access Segment of of the the IPv6 Deployment Field Trial. Field verification test test is is being carried out out in in order to to create new life life styles through: --Remote access to to IPv6 home network --Remote access to to IPv6 intranet The IPv6 Deployment Field Trial is a real-life experiment for switching to an IPv6-based Internet under Project sponsored by the Ministry of Internal Affairs and Communications. APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 19
20 Mobile Access in the IPv6 Deployment Field Trial -Overview- --IPv4/IPv6 Access Access through 2GHz 2GHz EV-DO network in in Tokyo Tokyo --CF-type cellular cellular device device for for PDA PDA and and PCMCIA-type for for Mobile Mobile PC PC --Support of of Multiple ISPs ISPs --One One IPv4 IPv4 address address and and one one IPv6 IPv6 address address are are assigned to to a Mobile Mobile PC PC or or a PDA PDA Intranet Receiving Receiving sales sales information information from from outside outside Enterprise Network 2GHz EV-DO Network Internet Service Provider Watching Watching their their home home from from outside outside Home A family At work APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 20
21 KDDI s action for the 2 nd step Trial development of IPv4/v6 dual stack PDSN(Packet Data Serving Node) PDSN is supporting IPv4 Foreign Agent(FA) function. PDSN is supporting IPv6 simple IP function. IPv4/v6 Dual Stack MN PDSN (IPv4/v6) FAv4 IPv6 Home Network IPv4/v6 Dual Stack MN Cellular Backbone IPv4/v6 Network PPP Link Mobile IPv4 Tunnel IPv4 Session IPv6 Session HAv4 IPv4 Home Network APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 21
22 3. Communication Services over IPv6 (Goal)
23 All IP Standard for Cellular System cdma2000 Circuit Network GSM Circuit Network All IP Harmonization Meeting CDMA2000 Family (3GPP2) IMS Rel 4 Evolution/Overlay MMD Rel 0 IMS Rel 5 Compatible Evolution/Overlay MMD Rel A IMS Rel 6 UMTS Family (3GPP) Compatible MMD Rel B IMS Rel 7 Backward Compatible LMSD:Legacy Mobile Station Domain MMD: Multimedia Domain IMS: IP Multimedia Subsystem IMS was originally developed on the IPv6 network. Although IMS/IPv4 was optionally added on the Rel. 6, IMS/IPv6 will be the goal. APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 23
24 MMD / IMS Features of MMD (MultiMedia Domain) / IMS(IP Multimedia Subsystem) Providing Multi-Media services on ALL IP network No support of legacy circuit based RAN(Radio Access Network) SIP (Session Initiate Protocol ) for call processing No support of legacy mobile stations, but SIP user agents Always on the Network for every mobile station RAN A1/A2 A01A11 PDSN HLR MSC Circuit Switch MSC Circuit Switch Circuit Switching network AAA MSC Circuit Switch HA PLMN PSTN A10A11 RAN VoIP/Data PDSN MMD AAA HA IP Packet Network CSCF MRFC MG/SG MGCF PLMN PSTN Legacy MS. IP Packet Network Internet SIP Client MMS Server BCMCS Server PTT Server Video Conference Server Service Servers Internet MGCF(Media Gateway Control Function) MRFC(Media Resource Function Control) CSCF(Call Session Control Function): SIP Server MG(Media Gateway) SG(Signaling Gateway) APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 24
25 3GPP ALL IP Architecture Model CS-domain MSC Server GMSC Server Radio Access Network PS-domain MGW SGSN IP Backbone MGW GGSN ISDN PSTN Internet Intranet HSS: Home Subscriber Subsystem CSCF: Call State Control Function (e.g. SIP server) MRF: Multimedia Resource Function MGW: Media Gateway MGCF: Media Gateway Control Function T-SGW: Transport Signalling Gateway SGSN: Serving GPRS Support Node GGSN: Gateway GPRS Support Node IMS IP Multimedia Subsystem IPv6 mandatory until Release 5 HSS CSCF MRF T-SGW MGCF Application Servers User data & Control Control APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 25
26 3GPP2 ALL IP architecture model Legacy MS Domain MSC Server HLR Radio Access Network AGW IP Backbone HA MGW Border Router ISDN PSTN Internet Intranet MRF MGCF T-SGW AGW: Access Gateway SCM: Session Control Manager T-SGW: Trunk Signalling Gateway CQM: Core Quality of Service Manager SQM: Subscription Quality of Service Manager DB: Databases CQM Databases AAA SQM SCM Applications IP Multimedia Domain User data & Control Control Either IPv4 or IPv6 APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 26
27 Harmonization with Fixed Network 3GPP IMS Rel IMS Rel 5 IMS Rel 6 IMS Rel 7 ETSI TISPAN NGN Rel 1 NGN Rel 2 NGN Rel 3 ITU-T SG13 JRG-NGN FGNGN (Focus Group on NGN) NGN-SG (SG13) NGN Rel 1 Apr, 2005 (Full Nomadicity) APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 27
28 Based on 3GPP IMS R6 IP Connectivity Access Network And related subsystems Network Attachment Subsystem Applications Other Multimedia Subsystems (RTSP- based) Streaming services (SIP- based) IP Multimedia Subsystem (Core IMS) IMS is used for call processing (SIP- I based) PSTN/ISDN Emulation Subsystem PSTN GW GW GW Access Transport Network IP Resource and Admission Control Subsystem GW GW Core Transport Network IP transport APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 28
29 One Example of Network Convergence PLMN PSTN VoIP NW Circuit Switch NW MSC CDMA 1x RAN LMSD MSCe MG MG PDSN CDMA IP RAN HSS/AAA B3G Service Servers SG/MG/MGC NGN / MMD SBC Converged IP Core Network SIP Phone Analog Phone SBC Modem NGW Analog Phone Access IP Core MMD Legacy Handset SIP Handset B3G Handset B3G Handset Handset WLAN MG/SG (Media Gateway/Signaling Gateway) HSS Home Subscriber Server) SBC Session Border Controller B3G (Beyond 3 rd generation) APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 29
30 < Service examples > Instant Message Presence Service Voice Communication Video Telephony PoC (Push to Talk) Switching Capability Text Chat Interactive Game Application Sharing Push Services Call Forwarding/Voice Mail IM/ converting Web Browsing Streaming Search Engine etc. Services Provided by MMD (1) Multimedia services are converged by MMD based on SIP protocol. Video Telephony Server PoC Server Presence Server Game Server MMD Network SIP Server Video Telephony PoC Game APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 30
31 Services Provided by MMD (2) Simultaneous multimedia services benefits end users. e.g.) Game & Video Telephony Game Server Video Telephony Server Game Oh my! I got an edge! SIP Server MMD Network I got an edge! Oh my! Video Telephony APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 31
32 Switching capability of multimedia services benefits end users. e.g.) from Video Telephony to Chat Services provided by MMD (3) Video Telephony Server Chat Server I wonder how she is. Video Telephony Chat SIP Server Video Telephony Chat I cannot answer a video call right now,so I will answer him through chat. >Sorry. I am busy now. I will call you back tonight. I love you! MMD Network APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 32
33 Thank you APRICOT 2005 IPv6 Technical session, 24 Feb, 2005, F. Watanabe 33
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