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探讨了基于多QoS约束的路由交换原型系统及其关键技术的设计和实现。通过分析传统路由交换体系中路由协议和交换机制的局限性,提出支持多QoS约束的QOSPF路由协议,并在此基础上结合多协议标记交换技术,实现了基于多QoS约束的路由交换原型系统,它能为数据流建立满足多QoS约束的标记交换路径,不仅满足了数据流的多QoS需求,并能提高分组交换效率。最后通过实验验证了原型系统的有效性和可行性。
This paper discusses the design and implementation of a prototype routing exchange system based on multiple QoS constraints and its key technologies. By analyzing the limitations of the routing protocol and the switching mechanism in the traditional routing and switching system, a QOSPF routing protocol supporting multiple QoS constraints is proposed. Based on this, a multi-QoS label switching technology is proposed to realize the routing switching prototype system based on multiple QoS constraints. It can establish a label switching path that satisfies multiple QoS constraints for data flow, which not only satisfies the multiple QoS requirements of data flow but also improves the packet switching efficiency. Finally, the validity and feasibility of the prototype system are verified by experiments.