HSCP:a hardware and software combined platform to improve precision in active network measurement  

作　　者：王志东 Li Wenfa Xu Qingjie Mao Jianbiao 

机构地区：[1]Computer Academy,Beihang University [2]College of Information Technology,Beijing Union University [3]Computer Department of National University of Defense Technology

出　　处：《High Technology Letters》2014年第2期173-178,共6页高技术通讯（英文版）

基　　金：Supported by the National High Technology Research and Development Programme of China(No.2007AA01Z416);"New Start" Academic Research Projects of Beijing Union University(No.ZK201204)

摘　　要：In this paper,an active network measurement platform is proposed which is a combination of hardware and software.Its innovation lies in the high performance of hardware combined with features that the software is easy to program,which retains software flexibility at the same time.By improving the precision of packet timestamp programmable hardware equipment,it provides packet sending control more accurately and supports the microsecond packet interval.We have implemented a model on the NetMagic platform,and done some experiments to analyze the accuracy difference of the user,the kernel and hardware timestamp.In this paper, an active network measurement platform is proposed which is a combination of hardware and software. Its innovation lies in the high performance of hardware combined with features that the software is easy to program, which retains software flexibility at the same time. By improving the precision of packet timestamp programmable hardware equipment, it provides packet sending control more accurately and supports the microsecond packet interval. We have implemented a model on the NetMagic platform, and done some experiments to analyze the accuracy difference of the user, the kernel and hardware timestamp.

关 键 词：active network measurement TIMESTAMP packet transmission control 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]