2 0 ▁ ▁Architecture ▁The ▁key ▁components ▁of ▁Load Runner ▁are : ▁▁ ▁Load ▁Gener ator ▁generates ▁the ▁load ▁against ▁the ▁application ▁by ▁following ▁scripts ▁ ▁V u Gen ▁( Virtual ▁User ▁Gener ator ) ▁for ▁generating ▁and ▁editing ▁scripts ▁ ▁Controller ▁controls , ▁launch es ▁and ▁sequences ▁instances ▁of ▁Load ▁Gener ator ▁- ▁specifying ▁which ▁script ▁to ▁use , ▁for ▁how ▁long ▁etc . ▁During ▁runs ▁the ▁Controller ▁receives ▁real - time ▁monitoring ▁data ▁and ▁displays ▁status . ▁ ▁Agent ▁process ▁man ages ▁connection ▁between ▁Controller ▁and ▁Load ▁Gener ator ▁instances . ▁▁ ▁Analysis ▁assemb les ▁logs ▁from ▁various ▁load ▁gener ators ▁and ▁formats ▁reports ▁for ▁visual ization ▁of ▁run ▁result ▁data ▁and ▁monitoring ▁data . ▁ ▁Mod ules ▁are ▁available ▁to ▁enable ▁Load Runner ▁to ▁capture , ▁re play ▁and ▁script ▁different ▁application ▁and ▁networking ▁techn ologies . ▁These ▁include ▁support ▁for : ▁▁ ▁applications ▁using ▁Microsoft ▁. NET ▁and ▁Java ▁ ▁database ▁servers ▁such ▁as ▁Microsoft ▁SQL ▁Server ▁and ▁Oracle ▁ ▁intern etwork ing ▁protocol s ▁such ▁as ▁DNS , ▁F TP ▁and ▁L D AP ▁ ▁e - mail ▁protocol s ▁including ▁I MAP , ▁M API , ▁P OP 3 ▁& ▁SM TP ▁▁ ▁remote ▁client ▁techn ologies ▁such ▁as ▁Cit rix ▁I CA ▁and ▁R DP . ▁ ▁Load Runner ▁can ▁be ▁run ▁stand alone ▁or ▁multiple ▁instances ▁can ▁po o led ▁for ▁use ▁by ▁several ▁people ▁under ▁the ▁control ▁of ▁Load Runner ▁Enter prise , ▁formerly ▁known ▁as ▁H P ▁Performance Center . ▁ ▁History ▁