衛(wèi)星網(wǎng)絡(luò)流量測量方法的研究
Study of Measurement Methodology for Satellite Network Traffic
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摘要: 該文針對衛(wèi)星組網(wǎng)的特點，研究基于SNMP(Simple Network Management Protocol)的被動測量方法在衛(wèi)星網(wǎng)絡(luò)流量測量中的應(yīng)用。首先介紹采用SNMP測量網(wǎng)絡(luò)流量的基本原理。在此基礎(chǔ)上引入監(jiān)控節(jié)點選擇算法，以減少監(jiān)測設(shè)備的數(shù)量，提高網(wǎng)絡(luò)流量測量性能。最后給出了實際開發(fā)的應(yīng)用程序及實驗結(jié)果。利用該結(jié)果可進一步計算或統(tǒng)計處理，進而確定衛(wèi)星網(wǎng)中資源的分配和使用，調(diào)整網(wǎng)絡(luò)達到最佳性能。該文實現(xiàn)的完整流量測量，為衛(wèi)星網(wǎng)絡(luò)實施流量工程提供了實時準(zhǔn)確的數(shù)據(jù)和有效的網(wǎng)絡(luò)管理依據(jù)。Abstract: 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.
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