Abstract
Rate-based flow controls play an important role in traffic management of Available Bit Rate (ABR) services. The performance of a rate-based ABR flow control is investigated. In a steady state the evolution of both the Allowed Cell Rate (ACR) and the length of queue within a switch is classified into three cases as the number of active sources varies. In each case, both the link utilization and the maximum queue length are derived. Then, for a given buffer threshold, we determine both the link utilization and the buffer size achieving zero cell loss. Numerical results show the effect of the threshold on the buffer size and the link utilization.
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