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)