Modeling and Real-ti me Performance Analysis of Switched Ethernet by Network Calculus  

作　　者：Wang Xiaoxin Liu Luyuan Liu Kun Ma Jinyan 

机构地区：[1]School of Electrical ＆ Automation Engineering of Tianjin University, Tianjin 300072

出　　处：《工程科学（英文版）》2005年第4期74-77,共4页Engineering Sciences

摘　　要：The real-time performance of switched Ethernet is a hot research field. However, there isn’t any effective modeling to describe it until now. Through analyzing the structure of classical switch, a switch model by network calculus is proposed, in which the data flow is divided into real-time flow and non real-time flow and the arrival curve, service curve, the max delay and max storage needed are got. The max delay provides theory direction for transmitting real-time data in switched Ethernet and the max storage provides the theory reference for constructing switch in real-time industrial Ethernet.The real-time performance of switched Ethernet is a hot research field. However, there isn＇t any effective modeling to describe it until now. Through analyzing the structure of classical switch, a switch model by network calculus is proposed, in which the data flow is divided into real-time flow and non real-time flow and the arrival curve, service curve, the max delay and max storage needed are got. The max delay provides theory direction for transmitting real-time data in switched Ethemet and the max storage provides the theory reference for constructing switch in real-time industrial Ethernet.

关 键 词：交换以太网 网络计算 实时性能 网络结构 

分 类 号：TP393.11[自动化与计算机技术—计算机应用技术]