中华人民共和国工业和信息化部 发布ICS 33.060 CCS M36 YD 中华人民共和国 通信行业标准 YD/ T XXXX —20xx LTE基于深度包检测（ DPI）的移动业务关键质量 指标（KQI）技术要求 Technique requirement for LTE deep packet inspection (DPI) based service key quality indicators (KQI) （报批稿） XXXX - XX - XX发布 XXXX - XX - XX实施 YD/T XXXX—XXXX - I -目 次 前 言 ........................................................................... III 1 范围 .............................................................................................................................................................. 1 2 规范性引用文件 .......................................................................................................................................... 1 3 术语和定义 .................................................................................................................................................. 1 4 缩略语 .......................................................................................................................................................... 1 5 DPI的基本架构 ........................................................................................................................................... 1 6 基础承载指标 .............................................................................................................................................. 3 6.1 TCP上行重传率 ...................................................................................................................................... 3 6.2 TCP下行重传率 ...................................................................................................................................... 4 6.3 TCP上行乱序率 ...................................................................................................................................... 4 6.4 TCP下行乱序率 ...................................................................................................................................... 5 6.5 TCP上行流量 .......................................................................................................................................... 5 6.6 TCP下行流量 .......................................................................................................................................... 6 6.7 UDP上行流量 ......................................................................................................................................... 6 6.8 UDP下行流量 ......................................................................................................................................... 6 6.9 HTTP上行平均速率 ............................................................................................................................... 7 6.10 HTTP下行平均速率 ............................................................................................................................. 7 6.11 DNS请求成功率 ................................................................................................................................... 8 6.12 DNS请求响应平均时长 ....................................................................................................................... 8 7 VoLTE分析指标 ......................................................................................................................................... 9 7.1 VoLTE始呼接通率（语音 /视频） ........................................................................................................ 9 7.2 VoLTE网络原因掉话率（语音 /视频） .............................................................................................. 10 7.3 SRVCC切换成功率 .............................................................................................................................. 12 7.4 SRVCC切换时延 .................................................................................................................................. 13 7.5 VoLTE驻留比 ...........................................................................................