and RFC 6410). There were previously three standard maturity levels: Proposed Standard, Draft Standard and Internet Standard. RFC 6410 reduced this to two maturity levels.

Proposed Standard

RFC 2026 originally characterized Proposed Standards as immature specifications, but this stance was annulled by RFC 7127.

A Proposed Standard specification is stable, has resolved known design choices, has received significant community review, and appears to enjoy enough community interest to be considered valuable. Usually, neither

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