Abstract
In order to improve sensitivity of parameter and network load, an improved random early detect ion (RED) mechanism orienting to stability, which is named extended stability of random early detection ( S-RED) , was proposed. This algorithm sectionally calculates the probability of packet loss by using the quadratic function to make its variability smoother, meanwhil ,and simplify the calculation formula ofprobability by decreasing the number of parameters in the calculation to properly weaken the performance influence due to parameter settings. We tested our proposed algorithm using the Network Simulator version 2 (ns-2) and found that it shows better stable performance than other typical RED variants and close throughput.
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