No abstract

Absrmrr-Disrribured Mulrimedio Applicorions IDMA). such as videooidemand (VoD) require dyaomicsQua1ir)~ofsenice fQoS) guoronree from enduser machines JOY rheir conrimmus mulritaedio srmums. The QoS requireinem and iniprovmwrr iii job e.recurio,i time con be achiewd wirh the oid oJ proper loud balmicing omong rhe mochines. An effeecrive woj' lo pchieve lood balance is io liwk up these eridnserc r,iochiries wirlr niuliiple potenrial heterogeneous idle or under-loaded clusreredservers and ollowitig rhese .servers wid8 idle rerrieval bandwidrh lo help our end -users rrmclri,res rhar are lor, power or rentpwori!v overloaded Iborrlet!eck). Clustered VoD ~e r v e i s opproach provides scolabilir), ond ovnilobiliry compared lo single video sewer. In rhis poprr w'e design and implemenr n w clusreredserver-clienr archirerrure /or the nrulrinedio VoD opplicnrionr olong-N,irh n new REMS+VoD algorithm. Rigorous siniulario,r Jorthe algorirhm hos been pegformed by vatying borh rhe number OJ video-requesrr Gessions) and !he nuniber OJ porenriol servers. The simulorion rerulrr show rhor OUI approach provides lI effective load baloaciug 2) scolobiliry ond 3) ovoilobility in VoD sysrem