▁for ▁G E O ▁sat ell ites . ▁L aten cy ▁reduction ▁is ▁a ▁key ▁driver ▁for ▁increased ▁use ▁of ▁real - time ▁applications , ▁including ▁video ▁tele con fer encing , ▁over ▁sat ell ites . ▁ ▁The ▁avoid ance ▁of ▁the ▁double - h op ▁to ▁the ▁Earth ▁station ▁can ▁also ▁reduce ▁satellite ▁trans ponder ▁costs . ▁Rout ing ▁IP ▁traffic ▁n atively ▁on ▁the ▁satellite ▁with ▁the ▁router ' s ▁built - in ▁C is co ▁I OS ▁Software ▁and ▁on board ▁software - defined ▁radio ▁can ▁increase ▁through put , ▁reduce ▁laten cy , ▁and ▁enable ▁flexible ▁band width - on - dem and ▁real - time ▁applications ▁between ▁users ▁in ▁different ▁ge ographic ▁regions ▁that ▁do ▁not ▁have ▁easy ▁access ▁to ▁fi ber ▁networks . ▁ ▁IR IS ▁is ▁an ▁example ▁of ▁a ▁hosted ▁payload , ▁ ▁a ▁method ▁to ▁add ▁multiple ▁non - core ▁components ▁to ▁satellite ▁to ▁reduce ▁the ▁cost ▁of ▁launch ing ▁the ▁components ▁into ▁orbit . ▁ ▁References ▁ ▁External ▁links ▁ ▁Will ▁IR IS ▁change ▁the ▁space ▁business , ▁Michael ▁Arm strong - Smith , ▁Space ▁News feed , ▁May ▁ 2 0 1 1 . ▁ ▁IR IS ▁information , ▁papers ▁and ▁documents ▁ ▁C is co ▁Systems ▁material ▁on ▁IR IS ▁( no ▁longer ▁online ) ▁ ▁Int els at ▁General ▁material ▁on ▁IR IS ▁ ▁SS ▁Lor al ▁material ▁on ▁Int els at - 1 4 ▁ ▁Category : C is co ▁Systems ▁Category : S at ellite ▁Internet ▁access