卫星网络流量测量方法的研究

Study of Measurement Methodology for Satellite Network Traffic

该文针对卫星组网的特点,研究基于SNMP(Simple Network Management Protocol)的被动测量方法在卫星网络流量测量中的应用。首先介绍采用SNMP测量网络流量的基本原理。在此基础上引入监控节点选择算法,以减少监测设备的数量,提高网络流量测量性能。最后给出了实际开发的应用程序及实验结果。利用该结果可进一步计算或统计处理,进而确定卫星网中资源的分配和使用,调整网络达到最佳性能。该文实现的完整流量测量, 为卫星网络实施流量工程提供了实时准确的数据和有效的网络管理依据。

Taking into account the features of satellite networking, solving the measurement for traffic in satellite networks by adopting passive measurement method based on SNMP is studied in this paper. The principle of measurement for network traffic using SNMP is studied firstly. Based on this, a selecting algorithm of nodes monitored is introduced so as to decrease the number of devices monitored and enhance the network performance of measurement for traffic. Finally, the flow chart of application explored in practice and the related experimental results are given. Further calculating or statistical disposing using the results can be processed. Then the distribution and utilization of resources in satellite network can be confirmed and the network can be adjusted to the optimal performance. The whole procedure of measurement for traffic is implemented and real-time exact data and available network management evidence are provided for the implementation of traffic engineering in satellite network.