计算机科学 ›› 2018, Vol. 45 ›› Issue (10): 295-299.doi: 10.11896／j.issn.1002-137X.2018.10.055
吴琪1, 王兴伟1, 黄敏2
WU Qi1, WANG Xing-wei1, HUANG Min2
摘要： 目前,软件定义网络(Software Defined Networking,SDN)已成为网络研究与开发的重点,但相关的研究与开发工作还仅仅局限于园区网络和数据中心网络等。由于SDN控制层与数据层处理效率的限制,SDN面向互联网这样超大规模网络的研究还基本处于空白阶段。为了提升SDN的性能以使其适应大规模网络的特点,挖掘SDN数据层中并行加速处理的可能性,提出了将流水线技术应用到SDN数据层中交换机对数据包的转发过程。另外,结合SDN南向接口OpenFlow协议提供的交换机工作规范,设计了适用于OpenFlow交换机数据包转发的三级流水线处理机制。仿真实验说明,将流水线应用到SDN中能有效加快OpenFlow交换机的数据包转发速度。
中图分类号:
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