Given a default setup of ISAM, ITDS and a Microsoft SharePoint backend. A Web environment is experiencing performance issues. In order to analyze tracing is temporary switched on using the following…

Given a default setup of ISAM, ITDS and a Microsoft SharePoint backend. A Web environment is experiencing performance issues. In order to analyze tracing is temporary switched on using the following commands. server task web04-webseald-unix08 trace set pdweb.debug 2 file path=/tmp/trace.log server task web04-webseald-unix08 trace set pdweb.debug 0 During analysis of the trace.log various common occurrences appear, the following trace.log extract displays only the lines important for this question. 2013-05-26-22:08:01.681+02:00I ----------------- Browser ===> PD ----------------- 2013-05-26-22:08:01.684+02:00I ----------------- Browser <=== PD ----------------- 2013-05-26-22:08:09.283+02:00I ----------------- Browser ===> PD ----------------- 2013-05-26-22:08:16.682+02:00I ----------------- PD ===> BackEnd ----------------- 2013-05-26-22:08:17.049+02:00I ----------------- PD <=== BackEnd ----------------- 2013-05-26-22:08:17.051+02:00I ----------------- Browser <=== PD ----------------- What can be concluded by analyzing this trace excerpt?