- File formats:
- BEST CURRENT PRACTICE
- W. George
- intarea (int)
Cite this BCP: TXT
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Given the global lack of available IPv4 space, and limitations in IPv4 extension and transition technologies, this document advises that IPv6 support is no longer considered optional. It also cautions that there are places in existing IETF documents where the term "IP" is used in a way that could be misunderstood by implementers as the term "IP" becomes a generic that can mean IPv4 + IPv6, IPv6-only, or IPv4-only, depending on context and application. This memo documents an Internet Best Current Practice.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.