Ns2 simulation, added a differentiated services network simulation of weighted fair queuing algorithms of WFQ c source code




File list:
pgps-diffserv-ns2
................\PGPS
................\....\dsred.cc
................\....\dsred.h
................\....\dsredq.cc
................\....\dsredq.h
................\....\readme.txt
................\....\wfq-list.h