where  FLAGS - 0000
          TYPE  - 0000 (regular message)
          H     - host #(0-3) at SITE (usually 0 for single HOST sites)
          SITE  - Site #
          LINK# - 00000001 (HOST-HOST control link)


       [ This RFC was put into machine readable form for entry ]
      [ into the online RFC archives by Alison De La Cruz 12/00 ]