Internet Standard


Internet Standard (STD) is a RFC Sub-series Request For Comment (RFC) document that has been approved by the Internet Engineering Steering Group (IESG)

Internet Standard are assigned an STD number but retains its RFC number. The definitive list of Internet Standards is the Internet Official Protocol Standards.

When an Internet Standard is updated, its STD number stays the same, now referring to a new RFC or set of RFCs.

For example, in 2007 RFC 3700 was an Internet Standard—STD 1—and in May 2008 it was replaced with RFC 5000, so RFC 3700 changed to Historic, RFC 5000 became an Internet Standard, and as of May 2008 STD 1 is RFC 5000.

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