IETF document handling

4 types of RFC
Standards track: Proposed, Draft, Full standard
Informational
Expreimental
Best Current Practice

wg-based RFC
internet draft
  ↓   ↑revise
working group review
  ↓
working group last call  →revise
  ↓
IESG review  →revise
  ↓
IETF last call
  ↓
RFC
individual RFC