Abstract:Randomized load balancing is a cost efficient policy for job scheduling in parallel server queueing systems whereby, with every incoming job, a central dispatcher randomly polls some servers and selects the one with the smallest queue. By exactly deriving the jobs' delay distribution in such systems, in explicit and closed form, Mitzenmacher [5] proved the socalled 'power-of-two' result, which states that by randomly polling only two servers yields an exponential improvement in delay over randomly selecting a … Show more
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