本设计利用SNMP进行网络性能参数的数据采集。
The network performance management system collects performance data based on SNMP.
由于SLA参数无法直接获得，需要进行SLA参数到可测网络性能参数的映射。
Because SLA parameters can not be obtained directly, so the mapping between SLA parameters and measured network performance parameters should be processed.
该网络性能参数分析通过对连接性、延迟、丢包率、带宽、流量参数等方面的研究实现。
Analysis of network performance measurement is implemented with researching parameters such as connection, delay, packet loss ratio, bandwidth, flux etc.
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