構成図

        ISOC                       ICANN
         |
         +------+--------+---+......+------+
         |      |        |   |      |      |
 + IETF -|- - - | - - +  | IRTF    IANA   RIR
 |       |      |     |  |
        IESG   IAB      RFC editor
 |       |            |
    +----+----+----+
 |  wg.. wg.. wg.. wg.|
   (area1) .....(area)
 + - - - - - - - - - -+