基于比率依赖的食草动物模型的Internet拥塞控制
Congestion Control in the Internet by Employing a Ratio dependent Plant Herbivore Carnivorous Model
摘要:
在过去的十年里,对基于互联网的服务的需求激增。许多组织使用互联网(尤其是万维网)作为其通信和业务的主要媒体。这种惊人的增长极大地提高了对Internet的性能要求。要实现高性能的Internet,一个好的拥塞控制系统是必不可少的,本文提出Internet中的拥塞控制可以从自然界中的种群控制策略中得到启发。针对这一思想,网络中的每个流(W)被视为一个物种,其种群大小是流的拥塞窗口大小。在此基础上,将拥塞控制问题重新定义为流种类的种群控制问题。本文在拥塞控制领域中定义了一个三营养食物链类比,并给出了一个比率依赖模型来控制该食草食肉食物链中W物种的种群规模。仿真结果表明,该模型实现了公平的带宽分配,高利用率和小的队列大小。它在路由器中不维护任何每个流的状态,并且每个数据包的计算负载很少,这使得它具有可扩展性。
英文摘要:
The demand for Internet based services has exploded over the last decade. Many organizations use the Internet and particularly the World Wide Web as their primary medium for communication and business. This phenomenal growth has dramatically increased the performance requirements for the Internet. To have a high performance Internet, a good congestion control system is essential for it. The current work proposes that the congestion control in the Internet can be inspired from the population control tactics of the nature. Toward this idea, each flow (W) in the network is viewed as a species whose population size is congestion window size of the flow. By this assumption, congestion control problem is redefined as population control of flow species. This paper defines a three trophic food chain analogy in congestion control area, and gives a ratio dependent model to control population size of W species within this plant herbivore carnivorous food chain. Simulation results show that this model achieves fair bandwidth allocation, high utilization and small queue size. It does not maintain any per flow state in routers and have few computational loads per packet, which makes it scalable.
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