▁introduced ▁with ▁F OS ▁v 4 . 1 ▁in ▁October ▁ 2 0 0 3 . ▁ ▁At ▁the ▁time , ▁Bro cade ' s ▁main ▁rival , ▁Mc DATA , ▁held ▁over ▁ 9 0 % ▁market ▁share ▁in ▁director ▁segment , ▁ow ing ▁to ▁a ▁strong ▁position ▁first ▁in ▁the ▁ES CON ▁market , ▁and ▁then ▁in ▁the ▁F IC ON ▁market . ▁ ▁The ▁Sil k W orm ▁ 1 2 0 0 0 ▁director ▁gained ▁over ▁one - third ▁of ▁the ▁market ▁share ▁after ▁its ▁release ▁in ▁ 2 0 0 2 . ▁ ▁Bro cade ▁added ▁main frame ▁customers ▁with ▁F IC ON ▁and ▁F IC ON ▁C UP ▁support ▁on ▁the ▁Sil k W orm ▁ 1 2 0 0 0 . ▁In ▁ 2 0 0 3 , ▁the ▁Sil k W orm ▁ 1 2 0 0 0 ▁was ▁named ▁“ Storage ▁Product ▁of ▁the ▁Year ” ▁by ▁Comput ing . ▁ ▁In ▁ 2 0 0 4 , ▁the ▁B LO OM ▁II ▁improved ▁on ▁the ▁previous ▁AS IC ▁design ▁by ▁reducing ▁its ▁power ▁consumption ▁and ▁die ▁size , ▁while ▁maintain ing ▁ 2 ▁G bit / s ▁technology . ▁ ▁It ▁power ed ▁Bro cade ' s ▁second ▁generation ▁director , ▁the ▁Sil k W orm ▁ 2 4 0 0 0 . ▁ ▁Still ▁a ▁ 1 2 8 ▁port ▁design , ▁it ▁was ▁the ▁first ▁one ▁which ▁could ▁operate ▁as ▁a ▁single ▁ 1 2 8 - port ▁switch ▁( a