send (B/MB)			receive (B/MB)			t(s)	2p		3p		6p
-----------------------------------------------------------------------
33554432/32			8388608/8				24		29		35		
67108864/64			18874368/18				49		53		67		
134217728/128		40894464/39				101		118		142		308
268435456/256		57671680/55				193		223		277