SD N ▁and ▁S MD S , ▁as ▁well ▁as ▁any ▁standard ▁network ▁that ▁ran ▁TCP / IP . ▁This ▁was ▁because ▁it ▁used ▁In So ft ' s ▁Digital ▁Video ▁Every where ▁( Open ▁D VE ), ▁a ▁propriet ary ▁al og orithm ▁that ▁featured ▁an ▁API ▁for ▁running ▁multimedia ▁confer encing ▁software ▁across ▁many ▁kinds ▁of ▁networks , ▁not ▁independent ▁of ▁the ▁hardware ▁they ▁used . ▁Running ▁as ▁an ▁independent ▁software ▁layer ▁on ▁top ▁of ▁the ▁specific ▁host ▁operating ▁system , ▁D VE ▁architecture ▁let ▁users ▁and ▁vend ors ▁custom ize ▁their ▁In So ft - equ ipped ▁networks ▁by ▁building ▁applications ▁that ▁worked ▁through ▁Comm unique . ▁Comm unique ▁also ▁used ▁In Syn ch , ▁In So ft ' s ▁audio / video ▁synchron ization ▁algorithm ▁that ▁optimized ▁conference ▁quality ▁when ▁users ▁scale d ▁band width ▁up ▁or ▁down . ▁ ▁The ▁ 1 9 9 4 ▁release ▁of ▁Comm unique ▁featured ▁a ▁" Virtual ▁Conference ▁Room " ▁where ▁users ▁could ▁start ▁a ▁conference ▁or ▁join ▁one ▁in ▁progress ▁by ▁using ▁a ▁point - and - click ▁interface . ▁Part icip ants ▁were ▁shown ▁up ▁as ▁icons ▁in ▁the ▁" room ", ▁meet ings ▁could ▁be ▁saved ▁and ▁review ed ▁at ▁a ▁later ▁date . ▁Conference ▁at ten de es ▁could ▁make ▁use ▁of ▁real - time ▁digital ▁video ▁and ▁audio , ▁and ▁also ▁shared ▁and ▁edited ▁graphics ▁and ▁image ▁files , ▁ASCII ▁files ▁and ▁video ▁frames . ▁A ▁module ▁called ▁S HA RE ▁( SH ared ▁Application ▁Resource ▁Environment