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Understanding IPv6 addressing on AWS and designing a scalable addressing plan

Networking & Content Delivery Blog



This article explains the different types of IPv6 addresses available on AWS and provides best practices for designing a scalable IPv6 addressing plan.

Specifically, the article covers:

  • Prerequisites for understanding IPv6 addressing on AWS
  • Types of IPv6 addresses on AWS: Amazon-provided IPv6 prefixes, BYOIPv6 prefixes, private IPv6 GUA, and IPv6 ULA
  • How to identify and manage IPv6 address types on AWS
  • Best practices and considerations for IPv6 address planning, such as address assignment, internet advertisement control, private IPv6 usage, host IP address selection, hierarchical summarization, regional/account/VPC boundaries, IPv6 adoption strategy, traffic inspection patterns, security requirements, and future-proofing
  • Conclusion summarizing key points for designing a scalable IPv6 addressing plan on AWS


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