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Abstract
ADISTRIBUTED IS A COLLECTION OF AUTONOMOUS COMPUTERS THAT ARE CONNECTED THROUGH A COMMUNICATION NETWORK. SUCH SYSTEM CAN BE USED TO SOLVE VERRY LARGE SCALE SCIENTIFIC AND ENGINEERING PROBLEMS BY PARTITIONING THE PROBLEM INTO MANY SUB-PROBLEMS AND THEN DISTRIBUTE CONCURRENTLY HOWEVER ,THE PERFORMANCE OF APARALLEL APPLICATION RUNNING ON ADISTRIBUTED SYSTEM IS MAINLY AFFECTED BY THE DISTRIBUTION OF WORLLOAD OVER THE VARIOUS PROCESSORS IN THE SYSTEMS.IF THE DISTRIBUTION IS DONE SUCH THAT A PROCESSOR GETS MORE LOADS THAN THE OTHERS, THE REQUIRED TIME TO FINISH THE APPLICATION WILL BE INCREASED AS THE FINISHUNG TIME OF THE APPLICATION WILL BE SPLICATION WILL BE SPECIFIED BY THE MOST LOADED PROCESSOR.ON THE OTHER HAND, IF ALL THE PROCESSORS GET NEARLY EQUAL LOADS, ALL THE TASKS WILL BE EXECUTED CONCURRENTLY AND THE REQUIRED TIME TO FINISH THE APPLICATION WILL BE DECREASED.