Research On The Technologies Of Analysis And Processing For High-speed Network Flow

In this paper,we solve 10 Gbps network signal access using the network flow defined by the five-tuple as the research object,restore network flow information through protocol analysis,content recognition technology and other means,and achieve network signal flow-level analysis through the design of hardware systems.According to the matching results,we achieve network flow classification.This paper focuses on the process of highspeed network signal processing,mainly completed the following works:(1)This paper studies high-speed network flow analysis and processing technology,network flow classification technology.The corresponding access scheme is designed for different network signals.(2)This paper deeply studies high-speed network content identification key technology.Aiming at the research of cache technology,flow identification algorithm and pattern matching algorithm,a TCAM matching algorithm based on Bloom Filter is proposed.(3)This passage designs and implements the hardware platform of high-speed network flow analysis system through the theoretical analysis and actual demand of the flow detection technology,and adopt the modular and functional design criteria,and realize multi-specifications signal access and hardware based on TCAM Flow detection algorithm.(4)This passage designs a complete test program for the platform of high-speed network flow analysis system.In addition,this paper puts forward some prospects for the future development of the system platform.