IPv6的移动性管理_07 - IPv6的移动性管理（英文）

ERICSSON Mobility management in an IPv6 Internet Hesham Soliman Ericsson Research Hesham Soliman @era, ericssonse Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 Mobility management in an IPv6 Internet Hesham Soliman Ericsson Research Hesham.Soliman@era.ericsson.se

ERICSSON Outline Trends and forecasts in the wireless world Mobile pv6 overview Mobile /Pv6 improvements From Host to Network mobility Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 Outline Trends and forecasts in the wireless world Mobile IPv6 overview Mobile IPv6 improvements From Host to Network mobility

ERICSSON Worldwide Subscriptions Forecast 1800 Mobile 51500 1200 900 Fixed (POTS/ISDN) 600 300 Fixed Broadband (Cable, XDSL, LMDS. Fibre (Year -end) 20002001200220032004200520062007 Mobility is becoming the norm Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 Worldwide Subscriptions Forecast (Year -end) No of Subscriptions (millions) Fixed Broadband (Cable, xDSL, LMDS, Fibre) Fixed (POTS/ISDN) Mobile 0 300 600 900 1200 1500 1800 2000 2001 2002 2003 2004 2005 2006 2007 Mobility is becoming the norm

ERICSSON Global Cellular Subscriptions by Region(00-07 1800 Asia Pacific o三 EUrope 1500 CEMA 1200 Latin America North America o500°9 900 600 300 (Year -end 20002001200220032004200520062007 Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 Global Cellular Subscriptions by Region (00-07) No of Subscriptio ns (millions) (Year -end) 0 300 600 900 1200 1500 1800 2000 2001 2002 2003 2004 2005 2006 2007 Asia Pacific W Europe CEMA Latin America North America

ERICSSON Heterogeneous access networks WAN LAN(PAN Different wireless technologies for different scenarios: PAN (e.g Bluetooth), LAN (e.g. 802.11)and WAN (e.g. WCDMA/GSM) o Different characteristics for each wireless technology Coverage, Qos, Cost, reliability.etc Different iP versions: IPy4 and iPv6 Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 Heterogeneous access networks WAN LAN PAN ‹ Different wireless technologies for different scenarios: PAN (e.g. Bluetooth), LAN (e.g. 802.11) and WAN (e.g. WCDMA/GSM) ‹ Different characteristics for each wireless technology: Coverage, QoS, Cost, reliability …etc ‹ Different IP versions: IPv4 and IPv6

ERICSSON The future is peer Peer to peer communication already exists in cellular networks IP-based cellular networks will inherit the same services and more Voice Multimedia messages Gaming Chatting Push to talk And many more in future Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 The future is peer! • Peer to peer communication already exists in cellular networks • IP-based cellular networks will inherit the same services and more: – Voice – Multimedia messages – Gaming – Chatting – Push to talk – And many more in future!

ERICSSON Why IP mobility? DNS PREFIX B: HOST D Host2 Router a Router B Host2 outer C PREFIX C: HOST ID Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 Why IP mobility? DNS Router A Router C Host2 PREFIX_C: HOST_ID Host 1 PREFIX_B: HOST_ID Host2 Router B

ERICSSON Requirements for IP Mobility Compatibility with existing Internet hosts and applications Access technology independent Ease of operation/integration Application transparency No modification of existing routers or routing mechanisms o Internet-wide mobility: " reachable everywhere No modification of non-mobile hosts (i.e. TCP/IP stacks) No modification of applications Maintain connections while moving between subnets Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 Requirements for IP Mobility ‹ Compatibility with existing Internet hosts and applications Access technology independent Ease of operation/integration Application transparency ‹ No modification of existing routers or routing mechanisms ‹ Internet-wide mobility : “reachable everywhere” ‹ No modification of non-mobile hosts (i.e. TCP/IP stacks) ‹ No modification of applications ‹ Maintain connections while moving between subnets

ERICSSON Mobile IPv6-Routing through HA IPv6 Data MIPv6 messages Home Network ⑤E Reverse Tunnelling Correspondent Node(CN) Mobile IP Network Node MN) Foreign Network Access Router Foreign Network Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 Mobile IPv6 – Routing through HA Home Network Foreign Network Foreign Network Correspondent Node (CN) Home Agent IP Network IP Network BA (Binding Ack) BU (Binding Update) MIPv6 messages Access Router Reverse Tunnelling IPv6 Data Mobile Node (MN)

ERICSSON Mobile IPv6- Route Optimisation Home Pv6 Data Network Home MIPV6 BU/BA Correspondent Node(CN) Node(MN) BU (Binding Update) BA (Binding Ack. Foreign Network Foreign Network Routing through HA eliminated Hesham soliman Global IPv6 summit china 2003-03-10

Hesham Soliman Global IPv6 summit China 2003-03-10 Mobile IPv6 – Route Optimisation Home Network Home Agent IPv6 Data MIPv6 BU/BA Foreign Network Foreign Network BA (Binding Ack.) BU (Binding Update) Routing through HA eliminated Correspondent Node (CN) Mobile Node (MN)