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How Do They Do It?NFeedback Control Using Content Adaptation (Level of Detail) Stratified Service&O<  What Is Feedback Control?  &What Do You Need For Feedback Control?, Sensors / Actuators Model&  SensorsE served request rate + delivered byte bandwidth$ Actuators+Admission control Degradation of client QoS$Transfer Function (The Model)    Does It Work?    How Does This Apply To AC? BSelf-optimization Self-maintenance? Heuristics vs. Control Theory:C ,# /    !    0` 33` Sf3f` 33g` f` www3PP` ZXdbmo` \ғq>9y`Ӣ` 3f3ff` 3f3FKf` hk]wwwfܹ` ff>>\`Y{ff` R>&- {p_/̴>?" dd@,|?" dd@   " @ ` n?" dd@   @@``PR    @ ` ` p>> ~(    0Ѝ P  T Click to edit Master title style! !  s *   RClick to edit Master text styles Second level Third level Fourth level Fifth level!     S  s * ``  P*   s *8 `   R*   s *Ġ `   R* H  0޽h ? 3f3FKf80___PPT10.urE $Blank Presentation$  0   PD4 ( ҧd D D s *P P b  JB___PPTMac11   hnamd` Arial&Monotype Typography  P*   D s *H   b JB___PPTMac11   hnamd` Arial&Monotype Typography  R*  d D c $ ?   D s *  @  RClick to edit Master text styles Second level Third level Fourth level Fifth level!     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