Does DiffServ work well in wireless ad hoc networks

Wang Yu-ling · Jisuanji gongcheng · 2005

The performance of DiffServ in wireless ad hoc networks was evaluated by simulation. The simulation results show that bandwidths obtained by high and low priority traffics were not consistent with their WRR(Weighted Round Robin) weight ratios. Combined with simulation trace, this phenomenon is caused by MAC mechanism. We conclude that it is impossible to proportionally distribute resource only using DiffServ at network layer in wireless ad hoc networks.

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