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传统IP网络的SPF路由机制在保证宽带业务的带宽需求和负载均衡方面遇到了困难。首先从理论上阐述主要的基于带宽约束和负载均衡的显式路由技术的原理,其次通过实验给出详细的数据,最后对实验数据进行分析和总结,从而验证不同条件下这些路由技术的优劣。
The SPF routing mechanism of the traditional IP network has encountered difficulties in ensuring the bandwidth requirements and load balancing of broadband services. First of all, the principle of explicit routing based on bandwidth constraints and load balancing is theoretically expounded. Secondly, the detailed data is given through experiments. Finally, the experimental data are analyzed and summarized to verify the advantages and disadvantages of these routing technologies under different conditions .