AF ▁Meta ▁Model ▁( DM 2 ) ▁-- ▁so ▁the ▁architect ures ▁can ▁be ▁integrated , ▁analyz ed , ▁and ▁evaluated ▁with ▁more ▁precision . ▁ ▁History ▁ ▁The ▁first ▁version ▁of ▁the ▁development ▁Do D AF ▁was ▁developed ▁in ▁the ▁ 1 9 9 0 s ▁under ▁the ▁name ▁C 4 IS R ▁Architecture ▁Framework . ▁In ▁the ▁same ▁period ▁the ▁reference ▁model ▁T A FI M , ▁which ▁was ▁initi ated ▁in ▁ 1 9 8 6 , ▁was ▁further ▁developed . ▁The ▁first ▁C 4 IS R ▁Architecture ▁Framework ▁v 1 . 0 , ▁released ▁ 7 ▁June ▁ 1 9 9 6 , ▁was ▁created ▁in ▁response ▁to ▁the ▁passage ▁of ▁the ▁C ling er - C ohen ▁Act . ▁It ▁addressed ▁the ▁ 1 9 9 5 ▁Deput y ▁Secretary ▁of ▁Def ense ▁directive ▁that ▁a ▁Do D - wide ▁effort ▁be ▁undert aken ▁to ▁define ▁and ▁develop ▁a ▁better ▁means ▁and ▁process ▁for ▁ens uring ▁that ▁C 4 IS R ▁capabilities ▁were ▁inter oper able ▁and ▁met ▁the ▁needs ▁of ▁the ▁war fig h ter . ▁Cont in ued ▁development ▁effort ▁resulted ▁in ▁December ▁ 1 9 9 7 ▁in ▁the ▁second ▁version , ▁C 4 IS R ▁Architecture ▁Framework ▁v 2 . 0 . ▁ ▁In ▁August ▁ 2 0 0 3 ▁the ▁Do D AF ▁v 1 . 0 ▁was ▁released , ▁which ▁rest ruct ured ▁the ▁C 4 IS R ▁Framework ▁v 2 . 0 ▁to ▁offer ▁guidance , ▁product ▁descri ptions , ▁and