▁single ▁domain ). ▁ ▁The ▁new ▁director ▁also ▁used ▁approximately ▁two ▁third s ▁less ▁power ▁than ▁its ▁prede cess or . ▁ ▁Bro cade ▁introduced ▁also ▁its ▁first ▁multip ro tocol ▁F ib re ▁Channel ▁router , ▁the ▁Sil k W orm ▁ 7 4 2 0 . ▁Bro cade ▁also ▁acquired ▁R haps ody ▁Network s ▁( a ▁S AN ▁virtual ization ▁startup ▁company ). ▁ ▁This ▁was ▁also ▁the ▁time ▁frame ▁in ▁which ▁Bro cade ▁first ▁entered ▁into ▁the ▁embedded ▁switch ▁market , ▁deliver ing ▁multiple ▁switch es ▁phys ically ▁integrated ▁into ▁other ▁vend ors ' ▁hardware , ▁such ▁as ▁storage ▁controllers ▁and ▁bla de ▁server ▁ch ass is . ▁ ▁As ▁of ▁March ▁ 2 0 0 9 , ▁Bro cade ▁had ▁sold ▁over ▁ 1 0 ▁million ▁S AN ▁switch ▁ports ▁with ▁over ▁ 4 4 , 0 0 0 ▁direct ors ▁installed , ▁and ▁held ▁ 7 5 . 5 % ▁of ▁the ▁overall ▁S AN ▁switch ▁market ▁( D ell ' O ro ▁Group , ▁ 1 Q 0 9 ▁S AN ▁Report ). ▁ ▁In ▁late ▁ 2 0 1 0 ▁Bro cade ▁introduced ▁Virtual ▁Cl uster ▁Switch ing ▁( VC S ) ▁on ▁the ▁V D X ▁ult ra - low - l aten cy ▁data ▁center ▁switch ▁product ▁line . ▁ ▁These ▁are ▁DC B / CE E - ▁and ▁T RI LL - based ▁switch es , ▁elimin ating ▁the ▁need ▁for ▁Sp anning ▁Tree ▁Pro tocol , ▁and ▁supporting ▁multi - h