本文提出并实现了一个改进的路由器包转发模型，该模型解决了传统模型在系统过载时吞吐量下降和延迟剧增的问题，并避免了传统模型中多级队列导致的包转发延迟。

It solves the problems of throughpout decreasing and latency increasing in the traditional packet forwarding model, and avoids the latency introduced by mutli-level queues in the traditional model.

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