...
On the other hand one can see from a plot of ping Round Trip Time (RTT) from SLAC to the National Centre for Physics in Islamabad (NCP (see below) that during the month of October 2008 the RTT dropped from over 360ms to under 310ms.
Looking at the other Pakistani universities the median RTT seen from SLAC to about 18 Pakistani universities dropped from about 370ms to under 320ms between oct 2008 and April 2009, see below:
More details can be found in the spreadsheet of the RTTs from SLAC to the Pakistani universities.
The
Minimum RTTs from SLAC to Pakistani universities are shown below:
The Inter packet delay variation is shown below. It is seen that it has reduced (less jitter probably caused by reduced queuing and contention) considerably for NCP (a factor of 10 in October 2008. For other universities with a complete set of measurements it can also be seen to have reduced at different times, for example UET (the University of Engineering and Technology in Lahore) reduced form about 50ms to about 10 mis in October and November 2008 and PIEAS (Pakistan Institute of Engineering & Applies Sciences in Islamabad) reduced from about 60 ms to about 10 ms in May 2009. 