Editing Request for Comments (section)

===Historic===
A ''historic'' RFC is one that the technology defined by the RFC is no longer recommended for use, which differs from "Obsoletes" header in a replacement RFC. For example, {{IETF RFC|821|link=no}} ([[SMTP]]) itself is obsoleted by various newer RFCs, but SMTP itself is still "current technology", so it is not in "Historic" status.<ref>{{cite web
|url= https://www.ietf.org/iesg/statement/designating-rfcs-as-historic.html
|title= IESG Statement on Designating RFCs as Historic
|access-date= April 14, 2016
|date= July 20, 2014
|publisher= IETF
}}</ref> However, since [[Border Gateway Protocol|BGP version 4]] has entirely superseded earlier BGP versions, the RFCs describing those earlier versions, such as {{IETF RFC|1267|link=no}}, have been designated historic.