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为减少Internet域间路由协议(BGP)按策略进行最优路径选择时可能引起的ISP(Internet Service Provider)域间或域内链路拥塞,提出瓶颈区域预测算法.该算法充分考虑域间流量的影响,以利用率最大链路作为瓶颈链路,分析更新消息对域间流量负载平衡的影响,并采用增量更新的机制进行域间路由信息的更新和传播.仿真结果表明,该算法可有效减少域间和域内链路拥塞.
In order to reduce the possible Internet service provider (ISP) inter-domain link or intra-domain link congestion caused by BGP routing optimization, a bottleneck prediction algorithm is proposed. This algorithm fully considers the influence of inter-domain traffic, Taking the link with the highest utilization rate as the bottleneck link, the impact of the update message on the traffic load balancing among domains is analyzed, and the mechanism of incremental update is used to update and disseminate the inter-domain routing information. Simulation results show that this algorithm can effectively reduce the domain Inter-and intra-area link congestion.