基于FPGA的数据报文分类的研究

随着Intemet规模的不断扩大和应用技术的不断进步，越来越多的业务需要对数据包进行实时快速的分类。可编程片上系统（SOPC）的设计是一个崭新的且富有生机的嵌入式系统设计。文中通过阐述可编程逻辑器件特点及其发展趋势的基础上，探讨了基于嵌入式处理器内核和Xilinx FPGA的SOPC软硬件设计技术，介绍了基于Internet的可重配置逻辑（IRL）技术并提出了设计实现方法。

Research on Packet Classification Based on FPGA

With the development of Internet and the advancement application technology,more and more business needs real-time andfast packet classification.The design of system on programmable chip(SOPC)is a new and vital aspect for the research of embeddedsystem designing.Characters and development trend of programmable logical device(PLD)were elaborated.On this basis,the intellectual property(IP)reusemethodology and the technique for designing software and hardware in SOPC based on embedded processorcore and Xilinx FPGA were discussed.Technology of Internet reconfigurable logic(IRL)was introduced.The design and implementation of IRL were also presented.