2012 11-05-council-ipv6 migration-technologies

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Migrationstechnologien für den Umstieg von IPv4 auf IPv6.

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2012 11-05-council-ipv6 migration-technologies

  1. 1. Rüdiger Rissmann – Research Staff Member and Senior Architect05 Nov 2012IPv6 Migration TechnologiesIBM Research - Zurich © 2009 IBM Corporation
  2. 2. IBM Presentation Template Full VersionAgenda■ Overview■ Dual Stack■ Tunnels■ Translations2 © 2012 IBM Corporation
  3. 3. IPv4-to-IPv6 Transition Phases3 © 2012 IBM Corporation
  4. 4. IPv4/6 Migration Mechanisms4 © 2012 IBM Corporation
  5. 5. Dual StackUse whenever possible IPv4 and IPv6 in parallel.5 © 2012 IBM Corporation
  6. 6. Tunnels technologies ■ 6in4 ■ 6rd ■ ISATAP ■ Teredo ■ 4in6 ■ 6over4 ■ 6to4 ■ GRE ■ MAP6 © 2012 IBM Corporation
  7. 7. 6in4Tunnel IPv6 over IPv4 in the network infrastructure.Tunnel endpoints statically configured.7 © 2012 IBM Corporation
  8. 8. 6rdOne way for providers to deploy IPv6 without reconfiguring their whole network.Customer IPv4 address mapped to IPv6 address.8 © 2012 IBM Corporation
  9. 9. ISATAP Very fast and easy way to connect to the IPv6 network. Requires support from the client operating system.9 © 2012 IBM Corporation
  10. 10. TeredoDesigned to connect through IPv4 NAT firewalls. Basically establishesa tunnel through the firewall to the internet.10 © 2012 IBM Corporation
  11. 11. Translation technologies■ CGN/LSN/Nat444 – to extend IPv4 address space■ DS-lite■ Nat64/DNS64■ Nat46/DNS46■ Transport Relay Translation (TRT)■ Stateless IP/ICMP Translation (SIIT)11 © 2012 IBM Corporation
  12. 12. CGN/LSN/NAT444In this use case not related to IPv6 Extends IPv4 address space of providers. Not possible to connect from the internet to customer network anymore.12 © 2012 IBM Corporation
  13. 13. DS-LiteExtends IPv4 address space of providers. Not possible to connect fromthe internet to customer network anymore.13 © 2012 IBM Corporation
  14. 14. NAT64/DNS64 To connect from IPv6 to IPv4. Some gateways also do NAT46 to enable connections from IPv4 to IPv6.14 © 2012 IBM Corporation

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