NTMobile. IPv4. IP IPv6 IPv4 IPv6 IPv6. IPv4 3G IPv4 LTE. Wi-Fi. NEMOv4. NTMobile Network Traversal with Mobility NTMobile NTMobile

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1 NTMobile 1,a) 1 2 1,b) NTMobile Network Traversal with Mobility NTMobile NTMobile 1. IPv4 IP IPv6 IPv4 IPv6 IPv6 IPv4 3G IPv4 LTE IP LTE Wi-Fi 7GB Wi-Fi Wi-Fi IP Wi-Fi IP IP 1 Graduate School of Science and Technology, Meijo University 2 Graduate School of Engineering, Mie University a) tatsuya.hirose@wata-lab.meijo-u.ac.jp b) wtnbakr@meijo-u.ac.jp IPv4 Mobile IPv4 MIPv4 [1] Network Mobility Extensions for Mobile IPv4 NEMOv4 [2] NEMOv4 IP IPv4 c 2013 Information Processing Society of Japan 1

2 IP NEMOv4 DC MAT-MONET[3] Mobile NPC[4] Internet NTMobile(Network Travaesal with Mobility)[5], [6], [7], [8] NTMobile NT- Mobile IP IP NTMobile before move 1 NTMobile NTMobile Fig. 1 Overview of NTMobile. NTMobile Router( ) NTMobile NTM 2 3 NTMobile NTMobile NTMobile 6 2. NEMOv4 MIPv4 Server DC RS MIPv4 IP NTM X Home Agent(HA) IP IP RIP X HA HA VIP X DC DC X (Mobile Node) (Correspondent Node) GN(General MIPv4 HA Node) HA Encrypted Communication through UDP Tunnel General Communication HA 3.1 NTMobile NEMOv4 MIPv4 NTM IP MR Mobile Router DC IP 2 NEMOv4 NTM IP HA IP MIPv4 NTM MIPv4 MR UDP NTM MR HA RS NEMOv4 [9] MR [10] RS NTM Node A 3. NTMobile NTM Node B Hand over General Node NTM Node B after move RS NTM Node C NTMobile NTM DC Direction Coordinator NTM RS Relay c 2013 Information Processing Society of Japan 2

3 Application NTMobile NTMobile Application GN DTMR DC Query for A Record Outer IP VIP VIP RIP RIP RIP RIP VIP VIP VIP VIP VIP VIP Reply 2 for A Record Fig. 2 Address translation of the tunnel communication NTMobile Fig. 3 Tunnel establishment procedure when General Node is DC under. DC IP IP 4 GN Fig. 4 Address translation between GN and. IP UDP NTMobile NTM IP 4.1 IP UDP GN 3.4 DC IP IP /NTM Tun- nel Response 4. NTM NTM / GN NTMobile GN RIP:RIP RIP:RIP GN VIP:VIP RIP GN VIP RIP RIP VIP VIP RIP:RIP VIP:VIP Outer IP GN DC IP VIP GN GN VIP IP 4 GN RS GN VIP GN NTM NTM IP VIP IP NTM c 2013 Information Processing Society of Japan 3

4 DC DC GN DTMR DC Address Notification DC 5 NTM Fig. 5 Tunnel establishment procedure of NTM Node inside NTM node. RIP:RIP VIP:VIP RIP:RIP RIP:RIP VIP:VIP 7 Fig. 7 Tunnel establishment procedure when moves. RIP RIP VIP VIP RIP RIP VIP VIP Outer IP 6 Fig. 6 Address transration between and. VIP GN IP RIP GN IP IP IP NTM 5 8 NTMobile Fig. 8 Tunnel establishment procedure when moves from the outside of the network to the inside. NTMobile 6 NTM IP NTMobile GN GN NTMobile Address Notification Move from outside of the network to the inside DHCP DC DC :Moving Network NTM NTM 5. c 2013 Information Processing Society of Japan 4

5 Modified Response NTM 6. NTMobile NTMobile NTMobile IP NTMobile NTM NTM [1] Perkins, C.: IP Mobility Support for IPv4,Revised, RFC NTM Daemon Resolver 5944, IETF (2010). User Modified Space [2] Leung, K., Dommety, G., Narayanan, V. and Petrescu, Kernel Response A.: Network Mobility (NEMO) Extensions for Mobile Space Netfilter IPv4, RFC 5177, IETF (2008). Application Packet Query [3] NTM Kernel Module MAT - Vol. 2006, pp (2006). [4] Internal I/F External I/F NTMobile Negotiation Messages Mobile NPC 9 Vol. 50, No. 10, pp (2009). [5] Fig. 9 Module confguration in. NTMobile Vol. 54, No. 1, pp (2013). NTM [6] NTMobile NTM NTM Vol. 54, / NTM No. 1, pp (2013). [7] IPv4/IPv6 / NTMobile NTM 9 Vol. 54, No. 10, pp (2013). / [8] NTMobile Netfilter Vol MBL-67, No. 11, pp. 1 6 (2013). NTM [9] A. Makela, J. K.: Home Agent-Assisted Route Optimization between Mobile IPv4 Networks, RFC 6521, IETF Linux Netfilter (2012). [10] NTMobile Vol. 54, No. 1, pp (2013). NTMobile NTM NTMobile c 2013 Information Processing Society of Japan 5

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