Mujhe ek Server solution chahye jis main mujhe ek Secondary server apnay Network kay sath attach karna hai....Jis ka 2 purpose hony chahye kay Agar Primary Server crash hoo jai ya kisi fault ki waja se Network se Disable hoo jai to Automatic Secondary Server Up hoo jai or Client ko pata bhi na chalay kay back per kia hua hai & Second Primary server ka jo bhi data hoo woh Real Time per Secondary Server per transfer hoota rahay. kia mujhe koi aisa software bata sakta hai koi???