天津移动分析RAU对PDP激活成功率的影响

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1、天津移动通信有限责任公司分析RAU对PDP激活成功率的影响RAU-路由区更新的过程在SGSN中经常发生，在Gb接口传送的RAU包只有几十个字节，虽然RAU的次数比较频繁，在一般情况下不会对系统的正常工作产生影响，但RAU也会发生一些非正常的行为会对系统造成负面影响，首先我们举例分析一下非正常RAU的行为过程：15:01:53.447142Verb2(CF:MS_SI):SessionActivationRequestreceivedfromMS:TLLI:C00024CAIMSI:46000210801

2、6198TI:(0)015:01:53.447844Verb1(CF:OP_SEQ):OInotspecifiedinAPN(R)15:01:53.453201Verb2(CF:GSN_SI):CreatePDPContextRequestsenttoGGSN:IMSI:460002108016198NSAPI:5NetworkAddress:IPv4211.137.162.3515:01:53.458406Verb2(CF:GSN_SI):CreatePDPContextResponsereceive

3、dfromGGSN(successful):IMSI:460002108016198NSAPI:5NetworkAddress:IPv4211.137.162.3515:01:53.458735Info(CF:OP_SEQ):CreatePDPContextResponsefromGGSNflowLabelSignallingset(value=55585)flowLabelDataIset(value=55586)15:01:53.459076Verb2(CF:MS_SI):SessionActiva

4、tionAcceptsenttoMS:TLLI:undefinedIMSI:460002108016198TI:(1)0//------ActivationPDP------------------------------------------------------------TLLI=C00024CA-IMSI=460002108016198-------------------------------------------------------------------------------

5、-----------15:02:53.385960Verb2(CF:MS_SI):SessionDeactivationRequestreceivedfromMS:TLLI:C00024CAIMSI:460002108016198TI:(0)015:02:53.391786Verb2(CF:MS_SI):SessionDeactivationAcceptsenttoMS:TLLI:undefinedIMSI:460002108016198TI:(1)0//------DeactivationPDP--

6、-------------------------------------------------------TLLI=C00024CA-IMSI=460002108016198-----------------------------------------------------------------------------------------15:34:15.338511Verb2(CF:MS_SI):RoutingAreaUpdateRequestreceivedfromMS:TLLI:C

7、00024CAIMSI:46000210801619815:34:15.343531Verb2(CF:MS_SI):RoutingAreaUpdateAcceptsenttoMS:TLLI:C00024CAIMSI:4600021080161987天津移动通信有限责任公司//------RAU(cellreselection)----------------------------------------------------TLLI=C00024CA-IMSI=460002108016198----

8、-------------------------------------------------------------------------------------IMSI为460002108016198的手机行为正常，建立过PDP连接并且在使用后正常释放，还正确进行了路由区更新过程15:56:24.167203Verb2(CF:MS_SI):RoutingAreaUpdateRequestreceivedfromMS:TLLI:80