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Navigating IPv4/IPv6 Coexistence: Strategies for Service Migration and Future Preparedness

This panel discussion, led by Ryoko "maro" Nakanishi and translated by Akira Kato, addresses the impending depletion of IPv4 addresses and the urgent need for IPv6 adoption. It emphasizes the challenges and responsibilities network operators face in transitioning to an IPv6 environment where both protocols coexist. With insights from industry experts, the session covers operational experiences, problem detection, and key strategies for successful migration. Attendees will gain a better understanding of the current landscape and how to prepare for future networking challenges.

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Navigating IPv4/IPv6 Coexistence: Strategies for Service Migration and Future Preparedness

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Presentation Transcript

  1. Panel Discussion『Service Migration in Ipv4/IPv6 Co-exsiting environment 　　　　　What we should do?』 Ryoko ‘maro’ NAKANISHI Translated by Akira Kato 1

  2. In a morning, there was an Oracle: Are you ready for IPv6 service? 2

  3. Introduction • Only a few years to IPv4 address depletion • Situation is getting serious • It is a matter of time that Ipv4 address depletion happens. 3

  4. Is the problem only addr depletion? • Such problem has not been shared with anybody other than L3 people • Too late to start something when IPv4 address space is once depleted • Only a few providers provide IPv6 service • Especially datacenter operators • Operational experience on IPv4/v6 co-exisitng environment? • Not only dual-stack is a solution 4

  5. ということで…プロローグ • 小人たちは集まります • Webサービスを提供するホスティング事業者はIPv6に対応できるか？を検討する • 何が必要か • 何に苦労するのか • ガッカリすることはなんだろう？ • 小人たちはIPv6にウットリできるんだろうか？ 5

  6. (1) First bake-off (2) Second bake-off A scroll of Adventure 6

  7. First Bake-off • Dwarves try it first • Does currently established technology make IPv6 to follow IPv4's footsteps? • What is the key of network confiugration? • Does it work at all? • Any problem in service migration? • Is the migration an easy task? 7

  8. Design -1st stage- IPv6 test environment ADSL modem Existing BB Router Additional BB Router IPv4 test environment 8

  9. Second Bake-off • The dwarves tries again • How IPv4/v6 translation works? • Is it possible to monitor IPv4/v6 ？ • Make the toplogy more realistic • Communication test from an IPv6 only client to an IPv4 server • How problems detected in IPv6 environment? 9

  10. Design -2nd stage- 10

  11. The dwarves got Level up ! 11

  12. The results... • The second bake-off didn't completed smoothly • Number of dungeons (like blackhomes) around the clients • Many bugs in server-side • Monsters generated when dual stack enabled • A cursed spells called “Specification” 12

  13. (1) A sage says　　「What problems are there around the client?」 (2) Amage said　　「What is server dual stacked?」 (3) A warrior says　　「Create the network environment in such a way!」 A scroll of knowledges 13

  14. Introduction of Dwarves(Panelists) • A sage to govern clients • Yoshiaki Kitakughi (Intec Netcore) • A maze around the servers • Shin Shirahata 　 (Clara Online) • A warrior in the networks • Shingo Kudo (IPv6 Promotion Counsil IPv4/IPv6 Co-exsiting WG Service migration Sub-WG co-chair) 14

  15. 15

  16. Summary • What obtained through expeirments • Need to deliver the warning to all those woking in the network • Other thoughts • Decision by the providers could minimize the damage in the IPv4 address depletion issue. • Everybody needs to realise the resposibility as a network operator not to impede the network development 16

  17. When you make a decision • Use it • Get used to it • Bring it up • Train it • Raise the level • Look for customers who pay for it • Create services the customers pay for 17

  18. WE CAN DO ! WE CAN DO !! 18

  19. It is a nice moment to start the IPv6 services 19

  20. THANK YOU! - 20 -

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