Intellectual Property Rights in IETF Technology

This specification has been revised 3 times since RFC 3668 (2004). Each document below formally obsoleted the one before it; the versions still in force are listed first.

This lineage is derived automatically from the “obsoletes” relationships recorded in the public RFC Editor index — no editorial judgement is applied to the ordering. The most recent document in the chain is RFC 8179 (May 2017).